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/*
* Copyright (c) OSGi Alliance (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.remoteserviceadmin;
import org.osgi.framework.Bundle;
/**
* Provides the event information for a Remote Admin event.
*
* @Immutable
* @version $Revision$
*/
public class RemoteServiceAdminEvent {
/**
* Add an import registration. The Remote Services Admin will call this
* method when it imports a service. When this service is registered, the
* Remote Service Admin must notify the listener of all existing Import
* Registrations.
*
*/
public static final int IMPORT_REGISTRATION = 1;
/**
* Add an export registration. The Remote Services Admin will call this
* method when it exports a service. When this service is registered, the
* Remote Service Admin must notify the listener of all existing Export
* Registrations.
*/
public static final int EXPORT_REGISTRATION = 2;
/**
* Remove an export registration. The Remote Services Admin will call this
* method when it removes the export of a service.
*
*/
public static final int EXPORT_UNREGISTRATION = 3;
/**
* Remove an import registration. The Remote Services Admin will call this
* method when it removes the import of a service.
*
*/
public static final int IMPORT_UNREGISTRATION = 4;
/**
* A fatal importing error occurred. The Import Registration has been
* closed.
*/
public static final int IMPORT_ERROR = 5;
/**
* A fatal exporting error occurred. The Export Registration has been
* closed.
*/
public static final int EXPORT_ERROR = 6;
/**
* A problematic situation occurred, the export is still active.
*/
public static final int EXPORT_WARNING = 7;
/**
* A problematic situation occurred, the import is still active.
*/
public static final int IMPORT_WARNING = 8;
private final ImportReference importReference;
private final ExportReference exportReference;
private final Throwable exception;
private final int type;
private final Bundle source;
/**
* Private constructor.
*
* @param type The event type
* @param source The source bundle, must not be <code>null</code>.
* @param importReference The importReference, can be <code>null</code>.
* @param exportReference The exportReference, can be <code>null</code>.
* @param exception Any exceptions encountered, can be <code>null</code>
*/
private RemoteServiceAdminEvent(int type, Bundle source,
ImportReference importReference, ExportReference exportReference,
Throwable exception) {
if (source == null) {
throw new NullPointerException("source must not be null");
}
this.type = type;
this.source = source;
this.importReference = importReference;
this.exportReference = exportReference;
this.exception = exception;
}
/**
* Create a Remote Service Admin Event for an export notification.
*
* @param type The event type.
* @param source The source bundle, must not be <code>null</code>.
* @param exportReference The exportReference, can not be <code>null</code>.
* @param exception Any exceptions encountered, can be <code>null</code>.
*/
public RemoteServiceAdminEvent(int type, Bundle source,
ExportReference exportReference, Throwable exception) {
this(type, source, null, exportReference, exception);
}
/**
* Create a Remote Service Admin Event for an import notification.
*
* @param type The event type.
* @param source The source bundle, must not be <code>null</code>.
* @param importReference The importReference, can not be <code>null</code>.
* @param exception Any exceptions encountered, can be <code>null</code>.
*/
public RemoteServiceAdminEvent(int type, Bundle source,
ImportReference importReference, Throwable exception) {
this(type, source, importReference, null, exception);
}
/**
* Return the Import Reference for this event.
*
* @return The Import Reference or <code>null</code>.
*/
public ImportReference getImportReference() {
return importReference;
}
/**
* Return the Export Reference for this event.
*
* @return The Export Reference or <code>null</code>.
*/
public ExportReference getExportReference() {
return exportReference;
}
/**
* Return the exception for this event.
*
* @return The exception or <code>null</code>.
*/
public Throwable getException() {
return exception;
}
/**
* Return the type of this event.
*
* @return The type of this event.
*/
public int getType() {
return type;
}
/**
* Return the bundle source of this event.
*
* @return The bundle source of this event.
*/
public Bundle getSource() {
return source;
}
}
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