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sharding-jdbc-config-parent/sharding-jdbc-config-common/src/main/resources/shardingJDBC_config_template.groovy

-/**
- * Copyright 1999-2015 dangdang.com.
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * </p>
- */
-
-import com.dangdang.ddframe.rdb.sharding.config.common.api.config.BindingTableRuleConfig
-import com.dangdang.ddframe.rdb.sharding.config.common.api.config.ShardingRuleConfig
-import com.dangdang.ddframe.rdb.sharding.config.common.api.config.StrategyConfig
-import com.dangdang.ddframe.rdb.sharding.config.common.api.config.TableRuleConfig
-
-/**
- * 名称转换.
- *
- * @param nameList
- * @return
- */
-def convertName(def nameList) {
-    nameList.split(',').collect({ "\"${it.trim()}\"" }).join(',')
-}
-
-/**
- * 策略生成闭包.
- */
-def strategy(final String strategyName, final StrategyConfig strategyConfig) {
-    if (strategyConfig) {
-        def shardingColumns = convertName(strategyConfig.shardingColumns)
-        if (strategyConfig.algorithmClassName) {
-            return """new com.dangdang.ddframe.rdb.sharding.api.strategy.${
-                strategyName == "databaseStrategy" ? 'database.DatabaseShardingStrategy' : 'table.TableShardingStrategy'
-            }(${
-                shardingColumns.contains(",") ? "[$shardingColumns]" : shardingColumns
-            }, new $strategyConfig.algorithmClassName())"""
-        } else if (strategyConfig.algorithmExpression) {
-            return "$strategyName([$shardingColumns], {\"$strategyConfig.algorithmExpression\"})"
-        } else {
-            throw new NullPointerException("$strategyName configure at least one in 'algorithmClassName','algorithmExpression'")
-        }
-    }
-    return ''
-}
-
-ShardingRuleConfig config = shardingRuleConfig
-
-def result = new StringBuilder()
-
-/*
- ShardingRuleConfig对象转换为groovy脚本.
- */
-config.tables.each { String logicTable, TableRuleConfig tableRuleConfig ->
-    result << """
-table '$logicTable', [${convertName(tableRuleConfig.actualTables)}]${
-        tableRuleConfig.databaseStrategy ? ", ${strategy('databaseStrategy', tableRuleConfig.databaseStrategy)}" : ''
-    }${tableRuleConfig.tableStrategy ? ", ${strategy('tableStrategy', tableRuleConfig.tableStrategy)}" : ''}
-"""
-}
-
-if (config.bindingTables && config.bindingTables.size() > 0) {
-    config.bindingTables.each { BindingTableRuleConfig bindingTableRuleConfig ->
-        result << "bind([${convertName(bindingTableRuleConfig.tableNames)}])\n"
-    }
-}
-
-if (config.defaultDatabaseStrategy) {
-    result << "defaultStrategy ${strategy('databaseStrategy', config.defaultDatabaseStrategy)}\n"
-}
-
-if (config.defaultTableStrategy) {
-    result << "defaultStrategy ${strategy('tableStrategy', config.defaultTableStrategy)}\n"
-}
-
-return result