InvokerInterceptor

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org.jboss.invocation
Class InvokerInterceptor

java.lang.Object
  org.jboss.proxy.Interceptor (src) 
      org.jboss.invocation.InvokerInterceptor

All Implemented Interfaces:: java.io.Externalizable, java.io.Serializable

Direct Known Subclasses:: ByValueInvokerInterceptor (src) , MarshallingInvokerInterceptor (src)

public class InvokerInterceptor
extends Interceptor (src)
implements java.io.Externalizable

A very simple implementation of it that branches to the local stuff.

See Also:: Serialized Form

Field Summary
`protected static java.lang.Class`	`invokerProxyHA` The InvokerProxyHA class
`protected static Invoker (src)`	`localInvoker` Static references to local invokers.
`protected Invoker (src)`	`remoteInvoker` Invoker to the remote JMX node.

Fields inherited from class org.jboss.proxy.Interceptor (src)

nextInterceptor

Constructor Summary
`InvokerInterceptor()` Exposed for externalization.

Method Summary
`static Invoker (src)`	`getLocal()` Get the local invoker reference, useful for optimization.
`boolean`	`hasLocalTarget(Invocation (src) invocation)` Whether there is a local target
`java.lang.Object`	`invoke(Invocation (src) invocation)` The invocation on the delegate, calls the right invoker.
`protected java.lang.Object`	`invokeInvoker(Invocation (src) invocation)` Invoke using invoker
`protected java.lang.Object`	`invokeLocal(Invocation (src) invocation)` Invoke using local invoker
`protected java.lang.Object`	`invokeMarshalled(Invocation (src) invocation)` Invoke using local invoker and marshalled
`boolean`	`isClustered(Invocation (src) invocation)` Whether we are in a clustered environment
`boolean`	`isLocal()` Returns wether we are local to the originating container or not.
`boolean`	`isLocal(Invocation (src) invocation)` Whether the target is local
`void`	`readExternal(java.io.ObjectInput in)` Un-externalize this instance.
`static void`	`setLocal(Invoker (src) invoker)` Set the local invoker reference, useful for optimization.
`void`	`writeExternal(java.io.ObjectOutput out)` Externalize this instance.

Methods inherited from class org.jboss.proxy.Interceptor (src)

getNext, setNext

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

remoteInvoker

protected Invoker (src)  remoteInvoker

Invoker to the remote JMX node.

localInvoker

protected static Invoker (src)  localInvoker

Static references to local invokers.

invokerProxyHA

protected static java.lang.Class invokerProxyHA

The InvokerProxyHA class

Constructor Detail

InvokerInterceptor

public InvokerInterceptor()

Exposed for externalization.

Method Detail

getLocal

public static Invoker (src)  getLocal()

Get the local invoker reference, useful for optimization.

setLocal

public static void setLocal(Invoker (src)  invoker)

Set the local invoker reference, useful for optimization.

isLocal

public boolean isLocal()

Returns wether we are local to the originating container or not.

Returns:: true when we have the same GUID

isLocal

public boolean isLocal(Invocation (src)  invocation)

Whether the target is local

Parameters:: invocation - the invocation
Returns:: true when the target is local

isClustered

public boolean isClustered(Invocation (src)  invocation)

Whether we are in a clustered environment

NOTE: This should be future compatible under any new design where a prior target chooser interceptor picks a non HA target than that code being inside a ha invoker.

Parameters:: invocation - the invocation
Returns:: true when a clustered invoker

hasLocalTarget

public boolean hasLocalTarget(Invocation (src)  invocation)

Whether there is a local target

Parameters:: invocation -
Returns:: true when in the registry

invoke

public java.lang.Object invoke(Invocation (src)  invocation)
                        throws java.lang.Exception

The invocation on the delegate, calls the right invoker. Remote if we are remote, local if we are local.

Specified by:: invoke in class Interceptor (src)

Throws:: java.lang.Exception

invokeLocal

protected java.lang.Object invokeLocal(Invocation (src)  invocation)
                                throws java.lang.Exception

Invoke using local invoker

Parameters:: invocation - the invocation
Returns:: the result
Throws:: java.lang.Exception - for any error

invokeMarshalled

protected java.lang.Object invokeMarshalled(Invocation (src)  invocation)
                                     throws java.lang.Exception

Invoke using local invoker and marshalled

Parameters:: invocation - the invocation
Returns:: the result
Throws:: java.lang.Exception - for any error

invokeInvoker

protected java.lang.Object invokeInvoker(Invocation (src)  invocation)
                                  throws java.lang.Exception

Invoke using invoker

Parameters:: invocation - the invocation
Returns:: the result
Throws:: java.lang.Exception - for any error

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Externalize this instance.

If this instance lives in a different VM than its container invoker, the remote interface of the container invoker is not externalized.

Specified by:: writeExternal in interface java.io.Externalizable
Overrides:: writeExternal in class Interceptor (src)

Throws:: java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Un-externalize this instance.

We check timestamps of the interfaces to see if the instance is in the original VM of creation