diff options
Diffstat (limited to 'tags/java/sca/2.0-M3-RC4/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java')
| -rw-r--r-- | tags/java/sca/2.0-M3-RC4/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/tags/java/sca/2.0-M3-RC4/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java b/tags/java/sca/2.0-M3-RC4/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java deleted file mode 100644 index 747a5ba032..0000000000 --- a/tags/java/sca/2.0-M3-RC4/modules/core/src/main/java/org/apache/tuscany/sca/core/invocation/NonBlockingInterceptor.java +++ /dev/null @@ -1,195 +0,0 @@ -/* - * 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.core.invocation; - -import java.util.LinkedList; -import java.util.List; -import java.util.Map; -import java.util.logging.Level; -import java.util.logging.Logger; - -import org.apache.tuscany.sca.assembly.Endpoint; -import org.apache.tuscany.sca.assembly.EndpointReference; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Interceptor; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.RuntimeWire; -import org.apache.tuscany.sca.work.WorkScheduler; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Adds non-blocking behavior to an invocation chain - * - * @version $Rev$ $Date$ - */ -public class NonBlockingInterceptor implements Interceptor { - - private static final Message RESPONSE = new ImmutableMessage(); - - /** - * The JDK logger that will be used to log messages. - */ - private static final Logger LOGGER = Logger.getLogger(NonBlockingInterceptor.class.getName()); - - private WorkScheduler workScheduler; - private Invoker next; - - public NonBlockingInterceptor(WorkScheduler workScheduler) { - this.workScheduler = workScheduler; - } - - public NonBlockingInterceptor(WorkScheduler workScheduler, Interceptor next) { - this.workScheduler = workScheduler; - this.next = next; - } - - /** - * Sets desired workScheduler to NonBlockingInterceptor. This is a useful function for the extension framework - * to set desired workmanager on the InvocationChain, other than default workmanager which is set per Tuscany runtime. - * Using this function, extension framework can set desired workmanager on InvocationChain during post wire processing. - * @param workScheduler workScheduler which contains workmanager - */ - public void setWorkScheduler(WorkScheduler workScheduler){ - this.workScheduler = workScheduler; - } - - public Message invoke(final Message msg) { - // Schedule the invocation of the next interceptor in a new Work instance - try { - workScheduler.scheduleWork(new Runnable() { - public void run() { - Message context = ThreadMessageContext.setMessageContext(msg); - try { - Message response = null; - - Throwable ex = null; - try { - response = next.invoke(msg); - } catch (Throwable t) { - ex = t; - } - - // Tuscany-2225 - Did the @OneWay method complete successfully? - // (i.e. no exceptions) - if (response != null && response.isFault()) { - // The @OneWay method threw an Exception. Lets log it and - // then pass it on to the WorkScheduler so it can notify any - // listeners - ex = (Throwable)response.getBody(); - } - if (ex != null) { - LOGGER.log(Level.SEVERE, "Exception from @OneWay invocation", ex); - throw new ServiceRuntimeException("Exception from @OneWay invocation", ex); - } - } finally { - ThreadMessageContext.setMessageContext(context); - } - } - }); - } catch (Exception e) { - throw new ServiceRuntimeException(e); - } - return RESPONSE; - } - - public Invoker getNext() { - return next; - } - - public void setNext(Invoker next) { - this.next = next; - } - - /** - * A dummy message passed back on an invocation - */ - private static class ImmutableMessage implements Message { - - public Object getBody() { - return null; - } - - public void setBody(Object body) { - if (body != null) { - throw new UnsupportedOperationException(); - } - } - - public void setCallbackWires(LinkedList<RuntimeWire> wires) { - - } - - public Object getMessageID() { - return null; - } - - public void setMessageID(Object messageId) { - throw new UnsupportedOperationException(); - } - - public boolean isFault() { - return false; - } - - public void setFaultBody(Object fault) { - throw new UnsupportedOperationException(); - } - - public EndpointReference getFrom() { - return null; - } - - public Endpoint getTo() { - return null; - } - - public void setFrom(EndpointReference from) { - throw new UnsupportedOperationException(); - } - - public void setTo(Endpoint to) { - throw new UnsupportedOperationException(); - } - - public Operation getOperation() { - return null; - } - - public void setOperation(Operation op) { - throw new UnsupportedOperationException(); - } - - /** - * @see org.apache.tuscany.sca.invocation.Message#getReplyTo() - */ - public EndpointReference getReplyTo() { - return null; - } - - public Map<String, Object> getQoSContext() { - return null; - } - - public List<Object> getHeaders() { - return null; - } - } - -} |