org.eclipse.emf.emfstore.internal.common.observer
Class ObserverCall.Result

java.lang.Object
  org.eclipse.emf.emfstore.internal.common.observer.ObserverCall.Result

Enclosing interface:

ObserverCall

public static class ObserverCall.Result
extends Object

This class represents an result from an observer call. It contains the observer, the called method and the result or an throwable, if occurred.

Author:

wesendon

Constructor Summary

ObserverCall.Result(ESObserver observer, Method method, Object result)
This constructor is used if NO throwable occurred.

ObserverCall.Result(ESObserver observer, Method method, Throwable throwable)
This constructor is used if an throwable HAS occurred.

Method Summary

boolean	exceptionOccurred() Specifies whether this Result contains an throwable.
static Object	getDefaultValue(Method method) Returns the default value for a given method, which is null or the default primitive value.
Throwable	getException() .
ESObserver	getObserver() The observer.
Object	getResult() The result.
Object	getResultOrDefaultValue() Returns the result or the default value for primitive types.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObserverCall.Result

public ObserverCall.Result(ESObserver observer,
                           Method method,
                           Object result)

This constructor is used if NO throwable occurred.

Parameters:

observer - observer

method - method

result - result

ObserverCall.Result

public ObserverCall.Result(ESObserver observer,
                           Method method,
                           Throwable throwable)

This constructor is used if an throwable HAS occurred.

Parameters:

observer - observer

throwable - throwable

method - method

Method Detail

exceptionOccurred

public boolean exceptionOccurred()

Specifies whether this Result contains an throwable.

Returns:

boolean

getException

public Throwable getException()

.

Returns:

throwable or null

getObserver

public ESObserver getObserver()

The observer.

Returns:

this can't be null

getResult

public Object getResult()

The result.

Returns:

the result or null

getResultOrDefaultValue

public Object getResultOrDefaultValue()

Returns the result or the default value for primitive types.

Returns:

result, null or in case of primitive type, the default value.

getDefaultValue

public static Object getDefaultValue(Method method)

Returns the default value for a given method, which is null or the default primitive value.

Parameters:

method - method

Returns:

null or default primitive value