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java/org/apache/tomcat/dbcp/pool2/TrackedUse.java

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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.tomcat.dbcp.pool2;
+
+/**
+ * This interface allows pooled objects to make information available about when
+ * and how they were used available to the object pool. The object pool may, but
+ * is not required, to use this information to make more informed decisions when
+ * determining the state of a pooled object - for instance whether or not the
+ * object has been abandoned.
+ *
+ * @since 2.0
+ */
+public interface TrackedUse {
+
+    /**
+     * Get the last time this object was used in ms.
+     *
+     * @return long time in ms
+     */
+    long getLastUsed();
+}