Add File

agents-flex-core/src/main/java/com/agentsflex/core/store/condition/Group.java

@@ -0,0 +1,71 @@
+/*
+ *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.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
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  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.
+ */
+package com.agentsflex.core.store.condition;
+
+import com.agentsflex.core.util.StringUtil;
+
+public class Group extends Condition {
+
+    private String prevOperand = "";
+    private final Condition childCondition;
+
+    public Group(Condition condition) {
+        this.childCondition = condition;
+    }
+
+    public Group(String prevOperand, Condition childCondition) {
+        this.prevOperand = prevOperand;
+        this.childCondition = childCondition;
+    }
+
+
+    @Override
+    public boolean checkEffective() {
+        boolean effective = super.checkEffective();
+        if (!effective) {
+            return false;
+        }
+        Condition condition = this.childCondition;
+        while (condition != null) {
+            if (condition.checkEffective()) {
+                return true;
+            }
+            condition = condition.next;
+        }
+        return false;
+    }
+
+
+    @Override
+    public String toExpression(ExpressionAdaptor adaptor) {
+        StringBuilder expr = new StringBuilder();
+        if (checkEffective()) {
+            String childExpr = childCondition.toExpression(adaptor);
+            Condition prevEffectiveCondition = getPrevEffectiveCondition();
+            if (prevEffectiveCondition != null && this.connector != null) {
+                childExpr = adaptor.toConnector(this.connector) + this.prevOperand + adaptor.toGroupStart(this) + childExpr + adaptor.toGroupEnd(this);
+            } else if (StringUtil.hasText(childExpr)) {
+                childExpr = this.prevOperand + adaptor.toGroupStart(this) + childExpr + adaptor.toGroupEnd(this);
+            }
+            expr.append(childExpr);
+        }
+
+        if (this.next != null) {
+            expr.append(next.toExpression(adaptor));
+        }
+        return expr.toString();
+    }
+}