| /* |
| * 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.felix.scr.impl.inject.internal; |
| |
| import java.util.List; |
| |
| import org.apache.felix.scr.impl.inject.BindParameters; |
| import org.apache.felix.scr.impl.inject.InitReferenceMethod; |
| import org.apache.felix.scr.impl.inject.MethodResult; |
| import org.apache.felix.scr.impl.inject.ReferenceMethod; |
| import org.apache.felix.scr.impl.inject.ReferenceMethods; |
| import org.apache.felix.scr.impl.logger.ComponentLogger; |
| import org.osgi.framework.BundleContext; |
| |
| public class DuplexReferenceMethods implements ReferenceMethods |
| { |
| private final ReferenceMethod bind; |
| private final ReferenceMethod updated; |
| private final ReferenceMethod unbind; |
| private final InitReferenceMethod init; |
| |
| public DuplexReferenceMethods(final List<ReferenceMethods> methods) |
| { |
| final ReferenceMethod[] bindList = new ReferenceMethod[methods.size()]; |
| final ReferenceMethod[] updatedList = new ReferenceMethod[methods.size()]; |
| final ReferenceMethod[] unbindList = new ReferenceMethod[methods.size()]; |
| int index = 0; |
| for(final ReferenceMethods m : methods) |
| { |
| bindList[index] = m.getBind(); |
| updatedList[index] = m.getUpdated(); |
| unbindList[index] = m.getUnbind(); |
| index++; |
| } |
| this.bind = new DuplexReferenceMethod(bindList); |
| this.updated = new DuplexReferenceMethod(updatedList); |
| this.unbind = new DuplexReferenceMethod(unbindList); |
| this.init = new InitReferenceMethod() |
| { |
| @Override |
| public boolean init(final Object componentInstance, final ComponentLogger logger) |
| { |
| boolean result = true; |
| for(final ReferenceMethods m : methods) |
| { |
| final InitReferenceMethod init = m.getInit(); |
| if ( init != null ) |
| { |
| result = init.init(componentInstance, logger); |
| if ( !result ) |
| { |
| break; |
| } |
| } |
| } |
| return result; |
| } |
| }; |
| } |
| |
| @Override |
| public ReferenceMethod getBind() |
| { |
| return this.bind; |
| } |
| |
| @Override |
| public ReferenceMethod getUnbind() |
| { |
| return this.unbind; |
| } |
| |
| @Override |
| public ReferenceMethod getUpdated() |
| { |
| return this.updated; |
| } |
| |
| @Override |
| public InitReferenceMethod getInit() |
| { |
| return this.init; |
| } |
| |
| private static final class DuplexReferenceMethod implements ReferenceMethod |
| { |
| |
| private final ReferenceMethod[] methods; |
| |
| public DuplexReferenceMethod(final ReferenceMethod[] methods) |
| { |
| this.methods = methods; |
| } |
| |
| @Override |
| public MethodResult invoke(final Object componentInstance, |
| final BindParameters parameters, |
| final MethodResult methodCallFailureResult) |
| { |
| MethodResult result = null; |
| for(final ReferenceMethod m : methods) |
| { |
| result = m.invoke(componentInstance, parameters, methodCallFailureResult); |
| if ( result == null ) |
| { |
| break; |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| public <S, T> boolean getServiceObject( |
| final BindParameters parameters, |
| final BundleContext context) |
| { |
| // only if all return true, we return true |
| boolean result = false; |
| for(final ReferenceMethod m : methods) |
| { |
| result = m.getServiceObject(parameters, context); |
| if (!result ) |
| { |
| break; |
| } |
| } |
| return result; |
| } |
| } |
| } |