org.glassfish.hk2.api.DuplicateServiceException Maven / Gradle / Ivy
/*
* Copyright (c) 2015, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.hk2.api;
/**
* This exception is thrown when an idempotent filter of a
* DynamicConfiguration object matches an existing descriptor
* in the ServiceLocator
*
* @author jwells
*/
public class DuplicateServiceException extends HK2RuntimeException {
private static final long serialVersionUID = 7182947621027566487L;
private Descriptor existingDescriptor;
/**
* For serialization
*/
public DuplicateServiceException() {
super();
}
/**
* Called by the system to initialize the existing descriptor
* that matched
*
* @param existingDescriptor The possibly null existing descriptor
* that matched one of the idempotent filters
*/
public DuplicateServiceException(Descriptor existingDescriptor) {
super();
this.existingDescriptor = existingDescriptor;
}
/**
* Gets the descriptor that matched one of the idempotent
* filters
*
* @return The descriptor that matched one of the idempotent
* filters or null if the matching descriptor is unknown
*/
public Descriptor getExistingDescriptor() {
return existingDescriptor;
}
@Override
public String toString() {
return "DuplicateServiceException(" + existingDescriptor +
"," + System.identityHashCode(this) + ")";
}
}