/* * 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;
import java.time.Instant;
/** * 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
*/ publicinterface TrackedUse {
/** * Gets the last time this object was used in milliseconds. * * @return the last time this object was used in milliseconds. * @deprecated Use {@link #getLastUsedInstant()} which offers the best precision.
*/
@Deprecated long getLastUsed();
/** * Gets the last Instant this object was used. * <p> * Starting with Java 9, the JRE {@code SystemClock} precision is increased usually down to microseconds, or tenth * of microseconds, depending on the OS, Hardware, and JVM implementation. * </p> * * @return the last Instant this object was used. * @since 2.11.0
*/ default Instant getLastUsedInstant() { return Instant.ofEpochMilli(getLastUsed());
}
}
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