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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.impl;
/**
* The interface that defines the information about pooled objects that will be exposed via JMX.
* <h2>Note</h2>
* <p>
* This interface exists only to define those attributes and methods that will be made available via JMX. It must not be implemented by clients as it is subject
* to change between major, minor and patch version releases of commons pool. Clients that implement this interface may not, therefore, be able to upgrade to a
* new minor or patch release without requiring code changes.
* </p>
*
* @since 2.0
*/
public interface DefaultPooledObjectInfoMBean {
/**
* Gets the number of times this object has been borrowed.
*
* @return The number of times this object has been borrowed.
* @since 2.1
*/
long getBorrowedCount();
/**
* Gets the time (using the same basis as {@link java.time.Clock#instant()}) that pooled object was created.
*
* @return The creation time for the pooled object.
*/
long getCreateTime();
/**
* Gets the time that pooled object was created.
*
* @return The creation time for the pooled object formatted as {@code yyyy-MM-dd HH:mm:ss Z}.
*/
String getCreateTimeFormatted();
/**
* Gets the time (using the same basis as {@link java.time.Clock#instant()}) the polled object was last borrowed.
*
* @return The time the pooled object was last borrowed.
*/
long getLastBorrowTime();
/**
* Gets the time that pooled object was last borrowed.
*
* @return The last borrowed time for the pooled object formatted as {@code yyyy-MM-dd HH:mm:ss Z}.
*/
String getLastBorrowTimeFormatted();
/**
* Gets the stack trace recorded when the pooled object was last borrowed.
*
* @return The stack trace showing which code last borrowed the pooled object.
*/
String getLastBorrowTrace();
/**
* Gets the time (using the same basis as {@link java.time.Clock#instant()})the wrapped object was last returned.
*
* @return The time the object was last returned.
*/
long getLastReturnTime();
/**
* Gets the time that pooled object was last returned.
*
* @return The last returned time for the pooled object formatted as {@code yyyy-MM-dd HH:mm:ss Z}.
*/
String getLastReturnTimeFormatted();
/**
* Gets a String form of the wrapper for debug purposes. The format is not fixed and may change at any time.
*
* @return A string representation of the pooled object.
* @see Object#toString()
*/
String getPooledObjectToString();
/**
* Gets the name of the class of the pooled object.
*
* @return The pooled object's class name.
* @see Class#getName()
*/
String getPooledObjectType();
}
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