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Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/ImportReferenceImpl.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/ImportReferenceImpl.java b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/ImportReferenceImpl.java new file mode 100644 index 0000000000..9c5b1818c8 --- /dev/null +++ b/sca-java-2.x/tags/2.0-Beta1-RC2/modules/node-impl-osgi/src/main/java/org/apache/tuscany/sca/osgi/remoteserviceadmin/impl/ImportReferenceImpl.java @@ -0,0 +1,72 @@ +/* + * 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.tuscany.sca.osgi.remoteserviceadmin.impl; + +import org.apache.tuscany.sca.node.Node; +import org.osgi.framework.ServiceReference; +import org.osgi.service.remoteserviceadmin.EndpointDescription; +import org.osgi.service.remoteserviceadmin.ImportReference; +import org.osgi.service.remoteserviceadmin.ImportRegistration; + +/** + * Implementation of ImportReference. It keeps a reference count of ImportRegistrations + */ +public class ImportReferenceImpl implements ImportReference { + private Node node; + private final ServiceReference importedService; + private final EndpointDescription endpointDescription; + private int count = 0; + + /** + * @param exportedService + * @param endpointDescription + */ + public ImportReferenceImpl(Node node, ServiceReference importedService, EndpointDescription endpointDescription) { + super(); + this.node = node; + this.importedService = importedService; + this.endpointDescription = endpointDescription; + } + + public ServiceReference getImportedService() { + return importedService; + } + + public EndpointDescription getImportedEndpoint() { + return endpointDescription; + } + + public synchronized ImportRegistration register() { + count++; + return new ImportRegistrationImpl(this); + } + + public synchronized void unregister() { + if (count > 0) { + count--; + } + if (count == 0) { + if (node != null) { + node.stop(); + node = null; + } + } + } +} |