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IdentityException.java
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IdentityException.java
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/*
* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.lang;
/**
* Thrown when an identity object is required but a value object is supplied.
* <p>
* Identity objects are required for synchronization and locking.
* <a href="{@docRoot}/java.base/java/lang/doc-files/ValueBased.html">Value-based</a>
* objects do not have identity and cannot be used for synchronization or locking.
*
* @since Valhalla
*/
public class IdentityException extends RuntimeException {
@java.io.Serial
private static final long serialVersionUID = 1L;
/**
* Create an {@code IdentityException} with no message.
*/
public IdentityException() {
}
/**
* Create an {@code IdentityException} with the class name and default message.
*
* @param clazz the class of the object
*/
public IdentityException(Class<?> clazz) {
super(clazz.getName() + " is not an identity class");
}
/**
* Create an {@code IdentityException} with a message.
*
* @param message the detail message; can be {@code null}
*/
public IdentityException(String message) {
super(message);
}
/**
* Create an {@code IdentityException} with a cause.
*
* @param cause the cause; {@code null} is permitted, and indicates
* that the cause is nonexistent or unknown.
*/
public IdentityException(Throwable cause) {
super(cause);
}
/**
* Create an {@code IdentityException} with a message and cause.
*
* @param message the detail message; can be {@code null}
* @param cause the cause; {@code null} is permitted, and indicates
* that the cause is nonexistent or unknown.
*/
public IdentityException(String message, Throwable cause) {
super(message, cause);
}
}