api refactor 2nd version

sharding-jdbc-config/sharding-jdbc-config-spring/src/main/java/io/shardingjdbc/spring/datasource/SpringMasterSlaveDataSource.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.spring.datasource;
 
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategy;
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategyType;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithm;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithmType;
 import io.shardingjdbc.core.jdbc.core.datasource.MasterSlaveDataSource;
 import io.shardingjdbc.core.rule.MasterSlaveRule;
 import lombok.Setter;
@@ -46,13 +46,13 @@ public class SpringMasterSlaveDataSource extends MasterSlaveDataSource implement
     }
     
     public SpringMasterSlaveDataSource(final String name, final String masterDataSourceName,
-                                       final DataSource masterDataSource, final Map<String, DataSource> slaveDataSourceMap, final MasterSlaveLoadBalanceStrategy strategy) throws SQLException {
+                                       final DataSource masterDataSource, final Map<String, DataSource> slaveDataSourceMap, final MasterSlaveLoadBalanceAlgorithm strategy) throws SQLException {
         super(new MasterSlaveRule(name, masterDataSourceName, masterDataSource, slaveDataSourceMap, strategy));
     }
     
     public SpringMasterSlaveDataSource(final String name, final String masterDataSourceName, final DataSource masterDataSource, 
-                                       final Map<String, DataSource> slaveDataSourceMap, final MasterSlaveLoadBalanceStrategyType strategyType) throws SQLException {
-        super(new MasterSlaveRule(name, masterDataSourceName, masterDataSource, slaveDataSourceMap, strategyType.getStrategy()));
+                                       final Map<String, DataSource> slaveDataSourceMap, final MasterSlaveLoadBalanceAlgorithmType strategyType) throws SQLException {
+        super(new MasterSlaveRule(name, masterDataSourceName, masterDataSource, slaveDataSourceMap, strategyType.getAlgorithm()));
     }
     
     @Override

sharding-jdbc-config/sharding-jdbc-config-spring/src/main/java/io/shardingjdbc/spring/namespace/parser/MasterSlaveDataSourceBeanDefinitionParser.java

@@ -17,7 +17,7 @@
 
 package io.shardingjdbc.spring.namespace.parser;
 
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategyType;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithmType;
 import io.shardingjdbc.spring.datasource.SpringMasterSlaveDataSource;
 import io.shardingjdbc.spring.namespace.constants.MasterSlaveDataSourceBeanDefinitionParserTag;
 import com.google.common.base.Splitter;
@@ -80,8 +80,8 @@ public class MasterSlaveDataSourceBeanDefinitionParser extends AbstractBeanDefin
         return element.getAttribute(MasterSlaveDataSourceBeanDefinitionParserTag.STRATEGY_REF_ATTRIBUTE);
     }
     
-    private MasterSlaveLoadBalanceStrategyType parseStrategyType(final Element element) {
+    private MasterSlaveLoadBalanceAlgorithmType parseStrategyType(final Element element) {
         String result = element.getAttribute(MasterSlaveDataSourceBeanDefinitionParserTag.STRATEGY_TYPE_ATTRIBUTE);
-        return Strings.isNullOrEmpty(result) ? MasterSlaveLoadBalanceStrategyType.getDefaultStrategyType() : MasterSlaveLoadBalanceStrategyType.valueOf(result);
+        return Strings.isNullOrEmpty(result) ? MasterSlaveLoadBalanceAlgorithmType.getDefaultAlgorithmType() : MasterSlaveLoadBalanceAlgorithmType.valueOf(result);
     }
 }

sharding-jdbc-config/sharding-jdbc-config-spring/src/test/java/io/shardingjdbc/spring/algorithm/PreciseModuloDatabaseShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.spring.algorithm;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-config/sharding-jdbc-config-spring/src/test/java/io/shardingjdbc/spring/algorithm/PreciseModuloTableShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.spring.algorithm;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-config/sharding-jdbc-config-spring/src/test/java/io/shardingjdbc/spring/algorithm/RangeModuloDatabaseShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.spring.algorithm;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 import com.google.common.collect.Range;
 
 import java.util.Collection;

sharding-jdbc-config/sharding-jdbc-config-spring/src/test/java/io/shardingjdbc/spring/algorithm/RangeModuloTableShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.spring.algorithm;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 import com.google.common.collect.Range;
 
 import java.util.Collection;

sharding-jdbc-config/sharding-jdbc-config-spring/src/test/resources/META-INF/rdb/withNamespaceForMasterSlaveWithStrategyRef.xml

@@ -9,7 +9,7 @@
                         ">
     <import resource="datasource/masterSlaveDataSource.xml" />
     
-    <bean id="randomStrategy" class="io.shardingjdbc.core.api.strategy.slave.RandomMasterSlaveLoadBalanceStrategy" />
+    <bean id="randomStrategy" class="io.shardingjdbc.core.api.algorithm.masterslave.RandomMasterSlaveLoadBalanceAlgorithm" />
     
     <rdb:master-slave-data-source id="dbtbl_0" master-data-source-ref="dbtbl_0_master" slave-data-sources-ref="dbtbl_0_slave_0, dbtbl_0_slave_1" strategy-ref="randomStrategy" />
     <rdb:master-slave-data-source id="dbtbl_1" master-data-source-ref="dbtbl_1_master" slave-data-sources-ref="dbtbl_1_slave_0, dbtbl_1_slave_1" strategy-ref="randomStrategy" />

sharding-jdbc-config/sharding-jdbc-config-yaml/src/main/java/io/shardingjdbc/config/yaml/internel/ms/MasterSlaveRuleBuilder.java

@@ -46,7 +46,7 @@ public final class MasterSlaveRuleBuilder {
         result.setName(yamlMasterSlaveConfig.getName());
         result.setMasterDataSourceName(yamlMasterSlaveConfig.getMasterDataSourceName());
         result.setSlaveDataSourceNames(yamlMasterSlaveConfig.getSlaveDataSourceNames());
-        result.setLoadBalanceStrategyClassName(yamlMasterSlaveConfig.getMasterSlaveLoadBalanceStrategyClassName());
+        result.setLoadBalanceAlgorithmClassName(yamlMasterSlaveConfig.getMasterSlaveLoadBalanceStrategyClassName());
         return result.build(dataSourceMap.isEmpty() ? yamlMasterSlaveConfig.getDataSources() : dataSourceMap);
     }
 }

sharding-jdbc-config/sharding-jdbc-config-yaml/src/main/java/io/shardingjdbc/config/yaml/internel/sharding/ShardingRuleBuilder.java

@@ -71,7 +71,7 @@ public final class ShardingRuleBuilder {
             config.setName(each.getKey());
             config.setMasterDataSourceName(each.getValue().getMasterDataSourceName());
             config.setSlaveDataSourceNames(each.getValue().getSlaveDataSourceNames());
-            config.setLoadBalanceStrategyClassName(each.getValue().getMasterSlaveLoadBalanceStrategyClassName());
+            config.setLoadBalanceAlgorithmClassName(each.getValue().getMasterSlaveLoadBalanceStrategyClassName());
             masterSlaveRuleConfigs.add(config);
         }
         result.setMasterSlaveRuleConfigs(masterSlaveRuleConfigs);

sharding-jdbc-config/sharding-jdbc-config-yaml/src/test/java/io/shardingjdbc/config/yaml/algorithm/MultiAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.config.yaml.algorithm;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.complex.ComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.complex.ComplexKeysShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-config/sharding-jdbc-config-yaml/src/test/java/io/shardingjdbc/config/yaml/algorithm/SingleAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.config.yaml.algorithm;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/HintManager.java

@@ -17,9 +17,9 @@
 
 package io.shardingjdbc.core.api;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.hint.HintManagerHolder;
 import io.shardingjdbc.core.hint.ShardingKey;
 import io.shardingjdbc.core.constant.ShardingOperator;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/strategy/slave/MasterSlaveLoadBalanceStrategy.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/masterslave/MasterSlaveLoadBalanceAlgorithm.java

@@ -15,16 +15,16 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.slave;
+package io.shardingjdbc.core.api.algorithm.masterslave;
 
 import java.util.List;
 
 /**
- * Master-slave database load-balance strategy.
+ * Master-slave database load-balance algorithm.
  *
  * @author zhangliang
  */
-public interface MasterSlaveLoadBalanceStrategy {
+public interface MasterSlaveLoadBalanceAlgorithm {
     
     /**
      * Get data source.

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/strategy/slave/MasterSlaveLoadBalanceStrategyType.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/masterslave/MasterSlaveLoadBalanceAlgorithmType.java

@@ -15,31 +15,31 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.slave;
+package io.shardingjdbc.core.api.algorithm.masterslave;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
 /**
- * Master-slave database load-balance strategy type.
+ * Master-slave database load-balance algorithm type.
  *
  * @author zhangliang
  */
 @RequiredArgsConstructor
 @Getter
-public enum MasterSlaveLoadBalanceStrategyType {
+public enum MasterSlaveLoadBalanceAlgorithmType {
     
-    ROUND_ROBIN(new RoundRobinMasterSlaveLoadBalanceStrategy()),
-    RANDOM(new RandomMasterSlaveLoadBalanceStrategy());
+    ROUND_ROBIN(new RoundRobinMasterSlaveLoadBalanceAlgorithm()),
+    RANDOM(new RandomMasterSlaveLoadBalanceAlgorithm());
     
-    private final MasterSlaveLoadBalanceStrategy strategy;
+    private final MasterSlaveLoadBalanceAlgorithm algorithm;
     
     /**
-     * Get default master-slave database load-balance strategy type.
+     * Get default master-slave database load-balance algorithm type.
      * 
-     * @return default master-slave database load-balance strategy type
+     * @return default master-slave database load-balance algorithm type
      */
-    public static MasterSlaveLoadBalanceStrategyType getDefaultStrategyType() {
+    public static MasterSlaveLoadBalanceAlgorithmType getDefaultAlgorithmType() {
         return ROUND_ROBIN;
     }
 }

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/strategy/slave/RandomMasterSlaveLoadBalanceStrategy.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/masterslave/RandomMasterSlaveLoadBalanceAlgorithm.java

@@ -15,17 +15,17 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.slave;
+package io.shardingjdbc.core.api.algorithm.masterslave;
 
 import java.util.List;
 import java.util.Random;
 
 /**
- * Random slave database load-balance strategy.
+ * Random slave database load-balance algorithm.
  *
  * @author zhangliang
  */
-public final class RandomMasterSlaveLoadBalanceStrategy implements MasterSlaveLoadBalanceStrategy {
+public final class RandomMasterSlaveLoadBalanceAlgorithm implements MasterSlaveLoadBalanceAlgorithm {
     
     @Override
     public String getDataSource(final String name, final String masterDataSourceName, final List<String> slaveDataSourceNames) {

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/strategy/slave/RoundRobinMasterSlaveLoadBalanceStrategy.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/masterslave/RoundRobinMasterSlaveLoadBalanceAlgorithm.java

@@ -15,18 +15,18 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.slave;
+package io.shardingjdbc.core.api.algorithm.masterslave;
 
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.atomic.AtomicInteger;
 
 /**
- * Round-robin slave database load-balance strategy.
+ * Round-robin slave database load-balance algorithm.
  *
  * @author zhangliang
  */
-public final class RoundRobinMasterSlaveLoadBalanceStrategy implements MasterSlaveLoadBalanceStrategy {
+public final class RoundRobinMasterSlaveLoadBalanceAlgorithm implements MasterSlaveLoadBalanceAlgorithm {
     
     private static final ConcurrentHashMap<String, AtomicInteger> COUNT_MAP = new ConcurrentHashMap<>();
     

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/ListShardingValue.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/ListShardingValue.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm;
+package io.shardingjdbc.core.api.algorithm.sharding;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/PreciseShardingValue.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/PreciseShardingValue.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm;
+package io.shardingjdbc.core.api.algorithm.sharding;
 
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/RangeShardingValue.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/RangeShardingValue.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm;
+package io.shardingjdbc.core.api.algorithm.sharding;
 
 import com.google.common.collect.Range;
 import lombok.Getter;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/ShardingValue.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/ShardingValue.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm;
+package io.shardingjdbc.core.api.algorithm.sharding;
 
 /**
  * Sharding value interface.

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/complex/ComplexKeysShardingAlgorithm.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/complex/ComplexKeysShardingAlgorithm.java

@@ -15,9 +15,9 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm.complex;
+package io.shardingjdbc.core.api.algorithm.sharding.complex;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithm;
 
 import java.util.Collection;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/hint/HintShardingAlgorithm.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/hint/HintShardingAlgorithm.java

@@ -15,9 +15,9 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm.hint;
+package io.shardingjdbc.core.api.algorithm.sharding.hint;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithm;
 
 import java.util.Collection;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/standard/PreciseShardingAlgorithm.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/standard/PreciseShardingAlgorithm.java

@@ -15,9 +15,9 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm.standard;
+package io.shardingjdbc.core.api.algorithm.sharding.standard;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithm;
 
 import java.util.Collection;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/standard/RangeShardingAlgorithm.java → sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/algorithm/sharding/standard/RangeShardingAlgorithm.java

@@ -15,9 +15,9 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.algorithm.standard;
+package io.shardingjdbc.core.api.algorithm.sharding.standard;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithm;
 
 import java.util.Collection;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/config/MasterSlaveRuleConfiguration.java

@@ -19,8 +19,8 @@ package io.shardingjdbc.core.api.config;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategy;
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategyType;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithm;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithmType;
 import io.shardingjdbc.core.exception.ShardingJdbcException;
 import io.shardingjdbc.core.rule.MasterSlaveRule;
 import lombok.Getter;
@@ -46,9 +46,9 @@ public class MasterSlaveRuleConfiguration {
     
     private Collection<String> slaveDataSourceNames;
     
-    private MasterSlaveLoadBalanceStrategyType loadBalanceStrategyType;
+    private MasterSlaveLoadBalanceAlgorithmType loadBalanceAlgorithmType;
     
-    private String loadBalanceStrategyClassName;
+    private String loadBalanceAlgorithmClassName;
     
     /**
      * Build master-slave rule.
@@ -65,28 +65,28 @@ public class MasterSlaveRuleConfiguration {
         for (String each : slaveDataSourceNames) {
             slaveDataSources.put(each, dataSourceMap.get(each));
         }
-        return new MasterSlaveRule(name, masterDataSourceName, dataSourceMap.get(masterDataSourceName), slaveDataSources, getLoadBalanceStrategy());
+        return new MasterSlaveRule(name, masterDataSourceName, dataSourceMap.get(masterDataSourceName), slaveDataSources, getLoadBalanceAlgorithm());
     }
     
-    private MasterSlaveLoadBalanceStrategy getLoadBalanceStrategy() {
-        MasterSlaveLoadBalanceStrategy result;
-        if (null != loadBalanceStrategyType) {
-            result = loadBalanceStrategyType.getStrategy();
+    private MasterSlaveLoadBalanceAlgorithm getLoadBalanceAlgorithm() {
+        MasterSlaveLoadBalanceAlgorithm result;
+        if (null != loadBalanceAlgorithmType) {
+            result = loadBalanceAlgorithmType.getAlgorithm();
         } else {
-            result = Strings.isNullOrEmpty(loadBalanceStrategyClassName) ? null : newInstance(loadBalanceStrategyClassName);
+            result = Strings.isNullOrEmpty(loadBalanceAlgorithmClassName) ? null : newInstance(loadBalanceAlgorithmClassName);
         }
         return result;
     }
     
-    public MasterSlaveLoadBalanceStrategy newInstance(final String masterSlaveLoadBalanceStrategyClassName) {
+    public MasterSlaveLoadBalanceAlgorithm newInstance(final String masterSlaveLoadBalanceAlgorithmClassName) {
         try {
-            Class<?> result = Class.forName(masterSlaveLoadBalanceStrategyClassName);
-            if (!MasterSlaveLoadBalanceStrategy.class.isAssignableFrom(result)) {
-                throw new ShardingJdbcException("Class %s should be implement %s", masterSlaveLoadBalanceStrategyClassName, MasterSlaveLoadBalanceStrategy.class.getName());
+            Class<?> result = Class.forName(masterSlaveLoadBalanceAlgorithmClassName);
+            if (!MasterSlaveLoadBalanceAlgorithm.class.isAssignableFrom(result)) {
+                throw new ShardingJdbcException("Class %s should be implement %s", masterSlaveLoadBalanceAlgorithmClassName, MasterSlaveLoadBalanceAlgorithm.class.getName());
             }
-            return (MasterSlaveLoadBalanceStrategy) result.newInstance();
+            return (MasterSlaveLoadBalanceAlgorithm) result.newInstance();
         } catch (final ReflectiveOperationException ex) {
-            throw new ShardingJdbcException("Class %s should have public privilege and no argument constructor", masterSlaveLoadBalanceStrategyClassName);
+            throw new ShardingJdbcException("Class %s should have public privilege and no argument constructor", masterSlaveLoadBalanceAlgorithmClassName);
         }
     }
 }

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/config/strategy/ComplexShardingStrategyConfiguration.java

@@ -19,7 +19,7 @@ package io.shardingjdbc.core.api.config.strategy;
 
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithmFactory;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
-import io.shardingjdbc.core.api.algorithm.complex.ComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.complex.ComplexKeysShardingAlgorithm;
 import io.shardingjdbc.core.routing.strategy.complex.ComplexShardingStrategy;
 import io.shardingjdbc.core.util.StringUtil;
 import com.google.common.base.Preconditions;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/config/strategy/HintShardingStrategyConfiguration.java

@@ -19,7 +19,7 @@ package io.shardingjdbc.core.api.config.strategy;
 
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithmFactory;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
-import io.shardingjdbc.core.api.algorithm.hint.HintShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.hint.HintShardingAlgorithm;
 import io.shardingjdbc.core.routing.strategy.hint.HintShardingStrategy;
 import com.google.common.base.Preconditions;
 import lombok.Getter;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/api/config/strategy/StandardShardingStrategyConfiguration.java

@@ -19,8 +19,8 @@ package io.shardingjdbc.core.api.config.strategy;
 
 import io.shardingjdbc.core.routing.strategy.ShardingAlgorithmFactory;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 import io.shardingjdbc.core.routing.strategy.standard.StandardShardingStrategy;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/hint/HintManagerHolder.java

@@ -17,7 +17,7 @@
 
 package io.shardingjdbc.core.hint;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.api.HintManager;
 import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/parsing/parser/context/condition/Condition.java

 package io.shardingjdbc.core.parsing.parser.context.condition;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
 import io.shardingjdbc.core.constant.ShardingOperator;
 import io.shardingjdbc.core.exception.ShardingJdbcException;
 import io.shardingjdbc.core.parsing.parser.expression.SQLExpression;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/strategy/ShardingStrategy.java

@@ -17,7 +17,7 @@
 
 package io.shardingjdbc.core.routing.strategy;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/strategy/complex/ComplexShardingStrategy.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.routing.strategy.complex;
 
-import io.shardingjdbc.core.api.algorithm.complex.ComplexKeysShardingAlgorithm;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.complex.ComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
 import lombok.Getter;
 

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/strategy/hint/HintShardingStrategy.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.routing.strategy.hint;
 
-import io.shardingjdbc.core.api.algorithm.hint.HintShardingAlgorithm;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.hint.HintShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
 import lombok.Getter;
 

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/strategy/inline/InlineShardingStrategy.java

@@ -17,9 +17,9 @@
 
 package io.shardingjdbc.core.routing.strategy.inline;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
 import com.google.common.base.Joiner;
 import com.google.common.base.Preconditions;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/strategy/none/NoneShardingStrategy.java

@@ -17,7 +17,7 @@
 
 package io.shardingjdbc.core.routing.strategy.none;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
 import lombok.Getter;
 

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/strategy/standard/StandardShardingStrategy.java

@@ -17,12 +17,12 @@
 
 package io.shardingjdbc.core.routing.strategy.standard;
 
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.routing.strategy.ShardingStrategy;
 import com.google.common.base.Optional;
 

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/type/hint/DatabaseHintRoutingEngine.java

@@ -17,7 +17,7 @@
 
 package io.shardingjdbc.core.routing.type.hint;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.hint.HintManagerHolder;
 import io.shardingjdbc.core.hint.ShardingKey;
 import io.shardingjdbc.core.routing.strategy.hint.HintShardingStrategy;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/routing/type/simple/SimpleRoutingEngine.java

@@ -17,7 +17,7 @@
 
 package io.shardingjdbc.core.routing.type.simple;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
 import io.shardingjdbc.core.hint.HintManagerHolder;
 import io.shardingjdbc.core.hint.ShardingKey;
 import io.shardingjdbc.core.parsing.parser.context.condition.Column;

sharding-jdbc-core/src/main/java/io/shardingjdbc/core/rule/MasterSlaveRule.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.rule;
 
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategy;
-import io.shardingjdbc.core.api.strategy.slave.MasterSlaveLoadBalanceStrategyType;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithm;
+import io.shardingjdbc.core.api.algorithm.masterslave.MasterSlaveLoadBalanceAlgorithmType;
 import com.google.common.base.Preconditions;
 import lombok.Getter;
 
@@ -41,7 +41,7 @@ public final class MasterSlaveRule {
     
     private final Map<String, DataSource> slaveDataSourceMap;
     
-    private final MasterSlaveLoadBalanceStrategy strategy;
+    private final MasterSlaveLoadBalanceAlgorithm strategy;
     
     public MasterSlaveRule(final String name, final String masterDataSourceName,
                            final DataSource masterDataSource, final Map<String, DataSource> slaveDataSourceMap) {
@@ -49,7 +49,7 @@ public final class MasterSlaveRule {
     }
     
     public MasterSlaveRule(final String name, final String masterDataSourceName, 
-                           final DataSource masterDataSource, final Map<String, DataSource> slaveDataSourceMap, final MasterSlaveLoadBalanceStrategy strategy) {
+                           final DataSource masterDataSource, final Map<String, DataSource> slaveDataSourceMap, final MasterSlaveLoadBalanceAlgorithm strategy) {
         Preconditions.checkNotNull(name);
         Preconditions.checkNotNull(masterDataSourceName);
         Preconditions.checkNotNull(masterDataSource);
@@ -59,6 +59,6 @@ public final class MasterSlaveRule {
         this.masterDataSourceName = masterDataSourceName;
         this.masterDataSource = masterDataSource;
         this.slaveDataSourceMap = slaveDataSourceMap;
-        this.strategy = null == strategy ? MasterSlaveLoadBalanceStrategyType.getDefaultStrategyType().getStrategy() : strategy;
+        this.strategy = null == strategy ? MasterSlaveLoadBalanceAlgorithmType.getDefaultAlgorithmType().getAlgorithm() : strategy;
     }
 }

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/AllApiTests.java

@@ -17,11 +17,11 @@
 
 package io.shardingjdbc.core.api;
 
-import io.shardingjdbc.core.api.strategy.common.ShardingStrategyTest;
-import io.shardingjdbc.core.api.strategy.slave.RandomMasterSlaveLoadBalanceStrategyTest;
-import io.shardingjdbc.core.api.strategy.sharding.DatabaseShardingStrategyTest;
-import io.shardingjdbc.core.api.strategy.slave.RoundRobinMasterSlaveLoadBalanceStrategyTest;
-import io.shardingjdbc.core.api.strategy.table.TableShardingStrategyTest;
+import io.shardingjdbc.core.api.algorithm.common.ShardingStrategyTest;
+import io.shardingjdbc.core.api.algorithm.masterslave.RandomMasterSlaveLoadBalanceAlgorithmTest;
+import io.shardingjdbc.core.api.algorithm.sharding.DatabaseShardingStrategyTest;
+import io.shardingjdbc.core.api.algorithm.masterslave.RoundRobinMasterSlaveLoadBalanceAlgorithmTest;
+import io.shardingjdbc.core.api.algorithm.table.TableShardingStrategyTest;
 import io.shardingjdbc.core.constant.ShardingPropertiesConstantTest;
 import io.shardingjdbc.core.constant.ShardingPropertiesTest;
 import org.junit.runner.RunWith;
@@ -37,8 +37,8 @@ import org.junit.runners.Suite;
         TableShardingStrategyTest.class, 
         HintManagerTest.class, 
         MasterSlaveDataSourceFactoryTest.class, 
-        RoundRobinMasterSlaveLoadBalanceStrategyTest.class,
-        RandomMasterSlaveLoadBalanceStrategyTest.class
+        RoundRobinMasterSlaveLoadBalanceAlgorithmTest.class,
+        RandomMasterSlaveLoadBalanceAlgorithmTest.class
     })
 public class AllApiTests {
 }

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/HintManagerTest.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.api;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
 import io.shardingjdbc.core.hint.HintManagerHolder;
 import io.shardingjdbc.core.hint.ShardingKey;
 import io.shardingjdbc.core.constant.ShardingOperator;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/common/ShardingStrategyTest.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/common/ShardingStrategyTest.java

@@ -15,14 +15,14 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.common;
+package io.shardingjdbc.core.api.algorithm.common;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.strategy.fixture.TestComplexKeysShardingAlgorithm;
-import io.shardingjdbc.core.api.strategy.fixture.TestPreciseShardingAlgorithm;
-import io.shardingjdbc.core.api.strategy.fixture.TestRangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.fixture.TestComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.fixture.TestPreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.fixture.TestRangeShardingAlgorithm;
 import io.shardingjdbc.core.routing.strategy.complex.ComplexShardingStrategy;
 import io.shardingjdbc.core.routing.strategy.none.NoneShardingStrategy;
 import io.shardingjdbc.core.routing.strategy.standard.StandardShardingStrategy;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/fixture/TestComplexKeysShardingAlgorithm.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/fixture/TestComplexKeysShardingAlgorithm.java

@@ -15,10 +15,10 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.fixture;
+package io.shardingjdbc.core.api.algorithm.fixture;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.complex.ComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.complex.ComplexKeysShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/fixture/TestPreciseShardingAlgorithm.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/fixture/TestPreciseShardingAlgorithm.java

@@ -15,10 +15,10 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.fixture;
+package io.shardingjdbc.core.api.algorithm.fixture;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/fixture/TestRangeShardingAlgorithm.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/fixture/TestRangeShardingAlgorithm.java

@@ -15,10 +15,10 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.fixture;
+package io.shardingjdbc.core.api.algorithm.fixture;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 
 import java.util.ArrayList;
 import java.util.Collection;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/slave/RandomMasterSlaveLoadBalanceStrategyTest.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/masterslave/RandomMasterSlaveLoadBalanceAlgorithmTest.java

-package io.shardingjdbc.core.api.strategy.slave;
+package io.shardingjdbc.core.api.algorithm.masterslave;
 
 import org.junit.Test;
 
@@ -7,9 +7,9 @@ import java.util.List;
 
 import static org.junit.Assert.assertTrue;
 
-public final class RandomMasterSlaveLoadBalanceStrategyTest {
+public final class RandomMasterSlaveLoadBalanceAlgorithmTest {
     
-    private final RandomMasterSlaveLoadBalanceStrategy randomMasterSlaveLoadBalanceStrategy = new RandomMasterSlaveLoadBalanceStrategy();
+    private final RandomMasterSlaveLoadBalanceAlgorithm randomMasterSlaveLoadBalanceAlgorithm = new RandomMasterSlaveLoadBalanceAlgorithm();
     
     @Test
     public void assertGetDataSource() {
@@ -17,8 +17,8 @@ public final class RandomMasterSlaveLoadBalanceStrategyTest {
         String slaveDataSourceName1 = "test_ds_slave_1";
         String slaveDataSourceName2 = "test_ds_slave_2";
         List<String> slaveDataSourceNames = Arrays.asList(slaveDataSourceName1, slaveDataSourceName2);
-        assertTrue(slaveDataSourceNames.contains(randomMasterSlaveLoadBalanceStrategy.getDataSource("ds", masterDataSourceName, slaveDataSourceNames)));
-        assertTrue(slaveDataSourceNames.contains(randomMasterSlaveLoadBalanceStrategy.getDataSource("ds", masterDataSourceName, slaveDataSourceNames)));
-        assertTrue(slaveDataSourceNames.contains(randomMasterSlaveLoadBalanceStrategy.getDataSource("ds", masterDataSourceName, slaveDataSourceNames)));
+        assertTrue(slaveDataSourceNames.contains(randomMasterSlaveLoadBalanceAlgorithm.getDataSource("ds", masterDataSourceName, slaveDataSourceNames)));
+        assertTrue(slaveDataSourceNames.contains(randomMasterSlaveLoadBalanceAlgorithm.getDataSource("ds", masterDataSourceName, slaveDataSourceNames)));
+        assertTrue(slaveDataSourceNames.contains(randomMasterSlaveLoadBalanceAlgorithm.getDataSource("ds", masterDataSourceName, slaveDataSourceNames)));
     }
 }

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/slave/RoundRobinMasterSlaveLoadBalanceStrategyTest.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/masterslave/RoundRobinMasterSlaveLoadBalanceAlgorithmTest.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.slave;
+package io.shardingjdbc.core.api.algorithm.masterslave;
 
 import org.junit.Test;
 
@@ -25,9 +25,9 @@ import java.util.List;
 import static org.hamcrest.core.Is.is;
 import static org.junit.Assert.assertThat;
 
-public final class RoundRobinMasterSlaveLoadBalanceStrategyTest {
+public final class RoundRobinMasterSlaveLoadBalanceAlgorithmTest {
     
-    private final RoundRobinMasterSlaveLoadBalanceStrategy roundRobinSlaveLoadBalanceStrategy = new RoundRobinMasterSlaveLoadBalanceStrategy();
+    private final RoundRobinMasterSlaveLoadBalanceAlgorithm roundRobinMasterSlaveLoadBalanceAlgorithm = new RoundRobinMasterSlaveLoadBalanceAlgorithm();
     
     @Test
     public void assertGetDataSource() {
@@ -35,8 +35,8 @@ public final class RoundRobinMasterSlaveLoadBalanceStrategyTest {
         String slaveDataSourceName1 = "test_ds_slave_1";
         String slaveDataSourceName2 = "test_ds_slave_2";
         List<String> slaveDataSourceNames = Arrays.asList(slaveDataSourceName1, slaveDataSourceName2);
-        assertThat(roundRobinSlaveLoadBalanceStrategy.getDataSource("ds", masterDataSourceName, slaveDataSourceNames), is(slaveDataSourceName1));
-        assertThat(roundRobinSlaveLoadBalanceStrategy.getDataSource("ds", masterDataSourceName, slaveDataSourceNames), is(slaveDataSourceName2));
-        assertThat(roundRobinSlaveLoadBalanceStrategy.getDataSource("ds", masterDataSourceName, slaveDataSourceNames), is(slaveDataSourceName1));
+        assertThat(roundRobinMasterSlaveLoadBalanceAlgorithm.getDataSource("ds", masterDataSourceName, slaveDataSourceNames), is(slaveDataSourceName1));
+        assertThat(roundRobinMasterSlaveLoadBalanceAlgorithm.getDataSource("ds", masterDataSourceName, slaveDataSourceNames), is(slaveDataSourceName2));
+        assertThat(roundRobinMasterSlaveLoadBalanceAlgorithm.getDataSource("ds", masterDataSourceName, slaveDataSourceNames), is(slaveDataSourceName1));
     }
 }

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/sharding/DatabaseShardingStrategyTest.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/sharding/DatabaseShardingStrategyTest.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.sharding;
+package io.shardingjdbc.core.api.algorithm.sharding;
 
 import io.shardingjdbc.core.routing.strategy.standard.StandardShardingStrategy;
 import com.google.common.collect.Sets;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/strategy/table/TableShardingStrategyTest.java → sharding-jdbc-core/src/test/java/io/shardingjdbc/core/api/algorithm/table/TableShardingStrategyTest.java

@@ -15,7 +15,7 @@
  * </p>
  */
 
-package io.shardingjdbc.core.api.strategy.table;
+package io.shardingjdbc.core.api.algorithm.table;
 
 import io.shardingjdbc.core.routing.strategy.standard.StandardShardingStrategy;
 import com.google.common.collect.Sets;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/integrate/fixture/ComplexKeysModuloDatabaseShardingAlgorithm.java

@@ -17,11 +17,11 @@
 
 package io.shardingjdbc.core.integrate.fixture;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.complex.ComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.complex.ComplexKeysShardingAlgorithm;
 import com.google.common.collect.Range;
 
 import java.util.Collection;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/integrate/fixture/HintModuloDatabaseShardingAlgorithm.java

@@ -17,9 +17,9 @@
 
 package io.shardingjdbc.core.integrate.fixture;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.hint.HintShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.hint.HintShardingAlgorithm;
 
 import java.util.Collection;
 import java.util.Collections;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/integrate/fixture/PreciseModuloDatabaseShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.integrate.fixture;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/integrate/fixture/PreciseModuloTableShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.integrate.fixture;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/integrate/fixture/RangeModuloDatabaseShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.integrate.fixture;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 import com.google.common.collect.Range;
 
 import java.util.Collection;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/integrate/fixture/RangeModuloTableShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.integrate.fixture;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 import com.google.common.collect.Range;
 
 import java.util.Collection;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/parsing/SQLParsingEngineTest.java

@@ -23,7 +23,7 @@ import io.shardingjdbc.core.api.config.TableRuleConfiguration;
 import io.shardingjdbc.core.api.config.strategy.ComplexShardingStrategyConfiguration;
 import io.shardingjdbc.core.api.fixture.ShardingRuleMockBuilder;
 import io.shardingjdbc.core.rule.ShardingRule;
-import io.shardingjdbc.core.api.strategy.fixture.TestComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.fixture.TestComplexKeysShardingAlgorithm;
 import io.shardingjdbc.core.constant.DatabaseType;
 import io.shardingjdbc.core.parsing.parser.base.AbstractBaseParseSQLTest;
 import io.shardingjdbc.core.parsing.parser.base.AbstractBaseParseTest;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/parsing/parser/context/condition/ConditionTest.java

 package io.shardingjdbc.core.parsing.parser.context.condition;
 
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
 import io.shardingjdbc.core.parsing.parser.expression.SQLExpression;
 import io.shardingjdbc.core.parsing.parser.expression.SQLNumberExpression;
 import org.junit.Test;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/parsing/parser/sql/AbstractStatementParserTest.java

@@ -21,7 +21,7 @@ import io.shardingjdbc.core.api.config.ShardingRuleConfiguration;
 import io.shardingjdbc.core.api.config.TableRuleConfiguration;
 import io.shardingjdbc.core.api.config.strategy.ComplexShardingStrategyConfiguration;
 import io.shardingjdbc.core.rule.ShardingRule;
-import io.shardingjdbc.core.api.strategy.fixture.TestComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.fixture.TestComplexKeysShardingAlgorithm;
 
 import javax.sql.DataSource;
 import java.sql.Connection;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/parsing/parser/sql/DeleteStatementParserTest.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.parsing.parser.sql;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
 import io.shardingjdbc.core.rule.ShardingRule;
 import io.shardingjdbc.core.constant.DatabaseType;
 import io.shardingjdbc.core.constant.ShardingOperator;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/parsing/parser/sql/InsertStatementParserTest.java

@@ -21,8 +21,8 @@ import io.shardingjdbc.core.api.config.ShardingRuleConfiguration;
 import io.shardingjdbc.core.api.config.TableRuleConfiguration;
 import io.shardingjdbc.core.api.config.strategy.ComplexShardingStrategyConfiguration;
 import io.shardingjdbc.core.rule.ShardingRule;
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.strategy.fixture.TestComplexKeysShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.fixture.TestComplexKeysShardingAlgorithm;
 import io.shardingjdbc.core.constant.DatabaseType;
 import io.shardingjdbc.core.constant.ShardingOperator;
 import io.shardingjdbc.core.keygen.fixture.IncrementKeyGenerator;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/parsing/parser/sql/UpdateStatementParserTest.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.parsing.parser.sql;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
 import io.shardingjdbc.core.rule.ShardingRule;
 import io.shardingjdbc.core.constant.DatabaseType;
 import io.shardingjdbc.core.constant.ShardingOperator;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/routing/fixture/OrderDatabaseHintShardingAlgorithm.java

@@ -17,9 +17,9 @@
 
 package io.shardingjdbc.core.routing.fixture;
 
-import io.shardingjdbc.core.api.algorithm.ListShardingValue;
-import io.shardingjdbc.core.api.algorithm.ShardingValue;
-import io.shardingjdbc.core.api.algorithm.hint.HintShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.ListShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.ShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.hint.HintShardingAlgorithm;
 
 import java.util.Collection;
 import java.util.Collections;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/routing/fixture/PreciseOrderShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.routing.fixture;
 
-import io.shardingjdbc.core.api.algorithm.PreciseShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.PreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.PreciseShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.PreciseShardingAlgorithm;
 
 import java.util.Collection;
 

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/routing/fixture/RangeOrderShardingAlgorithm.java

@@ -17,8 +17,8 @@
 
 package io.shardingjdbc.core.routing.fixture;
 
-import io.shardingjdbc.core.api.algorithm.RangeShardingValue;
-import io.shardingjdbc.core.api.algorithm.standard.RangeShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.sharding.RangeShardingValue;
+import io.shardingjdbc.core.api.algorithm.sharding.standard.RangeShardingAlgorithm;
 
 import java.util.Collection;
 import java.util.HashSet;

sharding-jdbc-core/src/test/java/io/shardingjdbc/core/rule/ShardingRuleTest.java

@@ -22,7 +22,7 @@ import io.shardingjdbc.core.api.config.TableRuleConfiguration;
 import io.shardingjdbc.core.api.config.strategy.NoneShardingStrategyConfiguration;
 import io.shardingjdbc.core.api.config.strategy.ShardingStrategyConfiguration;
 import io.shardingjdbc.core.api.config.strategy.StandardShardingStrategyConfiguration;
-import io.shardingjdbc.core.api.strategy.fixture.TestPreciseShardingAlgorithm;
+import io.shardingjdbc.core.api.algorithm.fixture.TestPreciseShardingAlgorithm;
 import io.shardingjdbc.core.parsing.parser.context.condition.Column;
 import io.shardingjdbc.core.routing.strategy.none.NoneShardingStrategy;
 import org.junit.Test;