Rename match expression classes.

oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/generated/endpoint/EndpointDispatcher.java

@@ -19,6 +19,7 @@
 package org.apache.skywalking.oap.server.core.analysis.generated.endpoint;
 
 import org.apache.skywalking.oap.server.core.analysis.SourceDispatcher;
+import org.apache.skywalking.oap.server.core.analysis.indicator.expression.EqualMatch;
 import org.apache.skywalking.oap.server.core.analysis.worker.IndicatorProcess;
 import org.apache.skywalking.oap.server.core.source.Endpoint;
 
@@ -52,7 +53,7 @@ public class EndpointDispatcher implements SourceDispatcher<Endpoint> {
         indicator.setId(source.getId());
         indicator.setServiceId(source.getServiceId());
         indicator.setServiceInstanceId(source.getServiceInstanceId());
-        indicator.combine(new org.apache.skywalking.oap.server.core.analysis.indicator.expression.BooleanBinaryMatch(), source.isStatus(), true);
+        indicator.combine(new EqualMatch(), source.isStatus(), true);
         IndicatorProcess.INSTANCE.in(indicator);
     }
 

oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/PercentIndicator.java

@@ -20,7 +20,7 @@ package org.apache.skywalking.oap.server.core.analysis.indicator;
 
 import lombok.*;
 import org.apache.skywalking.oap.server.core.analysis.indicator.annotation.*;
-import org.apache.skywalking.oap.server.core.analysis.indicator.expression.BooleanBinaryMatch;
+import org.apache.skywalking.oap.server.core.analysis.indicator.expression.EqualMatch;
 import org.apache.skywalking.oap.server.core.storage.annotation.Column;
 
 /**
@@ -37,7 +37,7 @@ public abstract class PercentIndicator extends Indicator {
     @Getter @Setter @Column(columnName = MATCH) private long match;
 
     @Entrance
-    public final void combine(@Expression BooleanBinaryMatch expression, @ExpressionArg0 Object leftValue,
+    public final void combine(@Expression EqualMatch expression, @ExpressionArg0 Object leftValue,
         @ExpressionArg1 Object rightValue) {
         expression.setLeft(leftValue);
         expression.setRight(rightValue);

oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/BinaryMatchExpression.java

@@ -28,12 +28,14 @@ public abstract class BinaryMatchExpression {
     protected Object left;
     protected Object right;
 
-    public void setLeft(Object left) {
+    public BinaryMatchExpression setLeft(Object left) {
         this.left = left;
+        return this;
     }
 
-    public void setRight(Object right) {
+    public BinaryMatchExpression setRight(Object right) {
         this.right = right;
+        return this;
     }
 
     public abstract boolean match();

oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/BooleanBinaryMatch.java → oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/analysis/indicator/expression/EqualMatch.java

@@ -22,7 +22,7 @@ package org.apache.skywalking.oap.server.core.analysis.indicator.expression;
  *
  * @author wusheng
  */
-public class BooleanBinaryMatch extends BinaryMatchExpression {
+public class EqualMatch extends BinaryMatchExpression {
     @Override public boolean match() {
         return left == right;
     }