ByValueInvokerInterceptor.java |
/* * JBoss, the OpenSource J2EE webOS * * Distributable under LGPL license. * See terms of license at gnu.org. */ package org.jboss.invocation; import java.io.Externalizable; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectOutput; /** * An InvokerInterceptor that does not optimize remote invocations.<p> * * This interceptor implements spec compliant behaviour.<p> * * @todo The performance could be improved by simulating marshalling * for "local" remote, rather than going straight for the invoker * * @author <a href="mailto:adrian.brock@happeningtimes.com">Adrian Brock</a> * @version $Revision: 1.5 $ */ public class ByValueInvokerInterceptor extends InvokerInterceptor implements Externalizable { /** Serial Version Identifier. @since 1.1.4.1 */ private static final long serialVersionUID = -6402069656713307195L; public ByValueInvokerInterceptor() { // For externalization to work } // Public -------------------------------------------------------- /** * Are you local? */ public boolean isLocal(Invocation invocation) { InvocationType type = invocation.getType(); if (type == InvocationType.LOCAL || type == InvocationType.LOCALHOME) return true; return false; } /** * Invoke using the invoker for remote invocations */ public Object invoke(Invocation invocation) throws Exception { // local interface if (isLocal(invocation)) // The payload as is is good return localInvoker.invoke(invocation); else // through the invoker return invocation.getInvocationContext().getInvoker().invoke(invocation); } /** * Externalize this instance. */ public void writeExternal(final ObjectOutput out) throws IOException { // We have no state } /** * Un-externalize this instance. */ public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException { // We have no state } // Private ------------------------------------------------------- // Inner classes ------------------------------------------------- }
ByValueInvokerInterceptor.java |