| /* |
| * 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.qpid.protonj2.engine.impl; |
| |
| import org.apache.qpid.protonj2.engine.Endpoint; |
| import org.apache.qpid.protonj2.engine.Engine; |
| import org.apache.qpid.protonj2.engine.EventHandler; |
| import org.apache.qpid.protonj2.types.transport.ErrorCondition; |
| |
| /** |
| * Proton abstract {@link Endpoint} implementation that provides some common facilities. |
| * |
| * @param <E> The specific {@link Endpoint} type this abstract type implements. |
| */ |
| public abstract class ProtonEndpoint<E extends Endpoint<E>> implements Endpoint<E> { |
| |
| protected final ProtonEngine engine; |
| |
| private ProtonAttachments attachments; |
| private Object linkedResource; |
| |
| private ErrorCondition localError; |
| private ErrorCondition remoteError; |
| |
| private EventHandler<E> remoteOpenHandler; |
| private EventHandler<E> remoteCloseHandler; |
| private EventHandler<E> localOpenHandler; |
| private EventHandler<E> localCloseHandler; |
| private EventHandler<Engine> engineShutdownHandler; |
| |
| /** |
| * Create a new {@link ProtonEndpoint} instance with the given Engine as the owner. |
| * |
| * @param engine |
| * The {@link Engine} that this {@link Endpoint} belongs to. |
| */ |
| public ProtonEndpoint(ProtonEngine engine) { |
| this.engine = engine; |
| } |
| |
| @Override |
| public E setLinkedResource(Object resource) { |
| this.linkedResource = resource; |
| return self(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <T> T getLinkedResource() { |
| return (T) linkedResource; |
| } |
| |
| @Override |
| public <T> T getLinkedResource(Class<T> typeClass) { |
| return typeClass.cast(linkedResource); |
| } |
| |
| @Override |
| public ProtonEngine getEngine() { |
| return engine; |
| } |
| |
| @Override |
| public ProtonAttachments getAttachments() { |
| return attachments == null ? attachments = new ProtonAttachments() : attachments; |
| } |
| |
| @Override |
| public ErrorCondition getCondition() { |
| return localError; |
| } |
| |
| @Override |
| public E setCondition(ErrorCondition condition) { |
| localError = condition == null ? null : condition.copy(); |
| return self(); |
| } |
| |
| @Override |
| public ErrorCondition getRemoteCondition() { |
| return remoteError; |
| } |
| |
| E setRemoteCondition(ErrorCondition condition) { |
| remoteError = condition == null ? null : condition.copy(); |
| return self(); |
| } |
| |
| //----- Abstract methods |
| |
| abstract E self(); |
| |
| //----- Event handler registration and access |
| |
| @Override |
| public E openHandler(EventHandler<E> remoteOpenEventHandler) { |
| this.remoteOpenHandler = remoteOpenEventHandler; |
| return self(); |
| } |
| |
| EventHandler<E> openHandler() { |
| return remoteOpenHandler; |
| } |
| |
| E fireRemoteOpen() { |
| if (remoteOpenHandler != null) { |
| remoteOpenHandler.handle(self()); |
| } |
| |
| return self(); |
| } |
| |
| @Override |
| public E closeHandler(EventHandler<E> remoteCloseEventHandler) { |
| this.remoteCloseHandler = remoteCloseEventHandler; |
| return self(); |
| } |
| |
| EventHandler<E> closeHandler() { |
| return remoteCloseHandler; |
| } |
| |
| E fireRemoteClose() { |
| if (remoteCloseHandler != null) { |
| remoteCloseHandler.handle(self()); |
| } |
| |
| return self(); |
| } |
| |
| @Override |
| public E localOpenHandler(EventHandler<E> localOpenEventHandler) { |
| this.localOpenHandler = localOpenEventHandler; |
| return self(); |
| } |
| |
| EventHandler<E> localOpenHandler() { |
| return localOpenHandler; |
| } |
| |
| E fireLocalOpen() { |
| if (localOpenHandler != null) { |
| localOpenHandler.handle(self()); |
| } |
| |
| return self(); |
| } |
| |
| @Override |
| public E localCloseHandler(EventHandler<E> localCloseEventHandler) { |
| this.localCloseHandler = localCloseEventHandler; |
| return self(); |
| } |
| |
| EventHandler<E> localCloseHandler() { |
| return localCloseHandler; |
| } |
| |
| E fireLocalClose() { |
| if (localCloseHandler != null) { |
| localCloseHandler.handle(self()); |
| } |
| |
| return self(); |
| } |
| |
| @Override |
| public E engineShutdownHandler(EventHandler<Engine> engineShutdownEventHandler) { |
| this.engineShutdownHandler = engineShutdownEventHandler; |
| return self(); |
| } |
| |
| EventHandler<Engine> engineShutdownHandler() { |
| return engineShutdownHandler; |
| } |
| |
| Engine fireEngineShutdown() { |
| if (engineShutdownHandler != null) { |
| engineShutdownHandler.handle(engine); |
| } |
| |
| return engine; |
| } |
| } |