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agents-flex-core/src/main/java/com/agentsflex/core/document/id/MD5IdGenerator.java

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+/*
+ *  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.document.id;
+
+import com.agentsflex.core.document.Document;
+import com.agentsflex.core.util.HashUtil;
+
+public class MD5IdGenerator implements DocumentIdGenerator {
+    /**
+     * Generate a unique ID for the Document
+     *
+     * @param document Document
+     * @return the unique ID
+     */
+    @Override
+    public Object generateId(Document document) {
+        return document.getContent() != null ? HashUtil.md5(document.getContent()) : null;
+    }
+
+}