org.osgi.service.blueprint.container.ServiceUnavailableException Maven / Gradle / Ivy
/*
* Copyright (c) OSGi Alliance (2008, 2009). All Rights Reserved.
*
* Licensed 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.osgi.service.blueprint.container;
import org.osgi.framework.ServiceException;
/**
* A Blueprint exception indicating that a service is unavailable.
*
* This exception is thrown when an invocation is made on a service reference
* and a backing service is not available.
*
* @version $Revision: 8083 $
*/
public class ServiceUnavailableException extends ServiceException {
private static final long serialVersionUID = 1L;
/**
* The filter string associated with the exception.
*/
private final String filter;
/**
* Creates a Service Unavailable Exception with the specified message.
*
* @param message The associated message.
* @param filter The filter used for the service lookup.
*/
public ServiceUnavailableException(String message, String filter) {
super(message, UNREGISTERED);
this.filter = filter;
}
/**
* Creates a Service Unavailable Exception with the specified message and
* exception cause.
*
* @param message The associated message.
* @param filter The filter used for the service lookup.
* @param cause The cause of this exception.
*/
public ServiceUnavailableException(String message, String filter,
Throwable cause) {
super(message, UNREGISTERED, cause);
this.filter = filter;
}
/**
* Returns the filter expression that a service would have needed to satisfy
* in order for the invocation to proceed.
*
* @return The failing filter.
*/
public String getFilter() {
return this.filter;
}
}