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• ObjectOptimisticLockingFailureException.java

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org.apache.causeway.persistence.jdo.spring.exceptions.ObjectOptimisticLockingFailureException Maven / Gradle / Ivy

/*
 *  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.causeway.persistence.jdo.spring.exceptions;

import org.springframework.dao.OptimisticLockingFailureException;

/**
 * Exception thrown on an optimistic locking violation for a mapped object.
 * Provides information about the persistent class and the identifier.
 */
@SuppressWarnings("serial")
public class ObjectOptimisticLockingFailureException extends OptimisticLockingFailureException {

	private Object persistentClass;

	private Object identifier;


	/**
	 * Create a general ObjectOptimisticLockingFailureException with the given message,
	 * without any information on the affected object.
	 * @param msg the detail message
	 * @param cause the source exception
	 */
	public ObjectOptimisticLockingFailureException(String msg, Throwable cause) {
		super(msg, cause);
	}

	/**
	 * Create a new ObjectOptimisticLockingFailureException for the given object,
	 * with the default "optimistic locking failed" message.
	 * @param persistentClass the persistent class
	 * @param identifier the ID of the object for which the locking failed
	 */
	public ObjectOptimisticLockingFailureException(Class persistentClass, Object identifier) {
		this(persistentClass, identifier, null);
	}

	/**
	 * Create a new ObjectOptimisticLockingFailureException for the given object,
	 * with the default "optimistic locking failed" message.
	 * @param persistentClass the persistent class
	 * @param identifier the ID of the object for which the locking failed
	 * @param cause the source exception
	 */
	public ObjectOptimisticLockingFailureException(
			Class persistentClass, Object identifier, Throwable cause) {

		this(persistentClass, identifier,
				"Object of class [" + persistentClass.getName() + "] with identifier [" + identifier +
				"]: optimistic locking failed", cause);
	}

	/**
	 * Create a new ObjectOptimisticLockingFailureException for the given object,
	 * with the given explicit message.
	 * @param persistentClass the persistent class
	 * @param identifier the ID of the object for which the locking failed
	 * @param msg the detail message
	 * @param cause the source exception
	 */
	public ObjectOptimisticLockingFailureException(
			Class persistentClass, Object identifier, String msg, Throwable cause) {

		super(msg, cause);
		this.persistentClass = persistentClass;
		this.identifier = identifier;
	}

	/**
	 * Create a new ObjectOptimisticLockingFailureException for the given object,
	 * with the default "optimistic locking failed" message.
	 * @param persistentClassName the name of the persistent class
	 * @param identifier the ID of the object for which the locking failed
	 */
	public ObjectOptimisticLockingFailureException(String persistentClassName, Object identifier) {
		this(persistentClassName, identifier, null);
	}

	/**
	 * Create a new ObjectOptimisticLockingFailureException for the given object,
	 * with the default "optimistic locking failed" message.
	 * @param persistentClassName the name of the persistent class
	 * @param identifier the ID of the object for which the locking failed
	 * @param cause the source exception
	 */
	public ObjectOptimisticLockingFailureException(
			String persistentClassName, Object identifier, Throwable cause) {

		this(persistentClassName, identifier,
				"Object of class [" + persistentClassName + "] with identifier [" + identifier +
				"]: optimistic locking failed", cause);
	}

	/**
	 * Create a new ObjectOptimisticLockingFailureException for the given object,
	 * with the given explicit message.
	 * @param persistentClassName the name of the persistent class
	 * @param identifier the ID of the object for which the locking failed
	 * @param msg the detail message
	 * @param cause the source exception
	 */
	public ObjectOptimisticLockingFailureException(
			String persistentClassName, Object identifier, String msg, Throwable cause) {

		super(msg, cause);
		this.persistentClass = persistentClassName;
		this.identifier = identifier;
	}


	/**
	 * Return the persistent class of the object for which the locking failed.
	 * If no Class was specified, this method returns null.
	 */
	public Class getPersistentClass() {
		return (this.persistentClass instanceof Class ? (Class) this.persistentClass : null);
	}

	/**
	 * Return the name of the persistent class of the object for which the locking failed.
	 * Will work for both Class objects and String names.
	 */
	public String getPersistentClassName() {
		if (this.persistentClass instanceof Class) {
			return ((Class) this.persistentClass).getName();
		}
		return (this.persistentClass != null ? this.persistentClass.toString() : null);
	}

	/**
	 * Return the identifier of the object for which the locking failed.
	 */
	public Object getIdentifier() {
		return identifier;
	}

}