public class CollectionResultListener<E> extends java.lang.Object implements IResultListener<E>, IUndoneResultListener<E>
Modifier and Type | Field and Description |
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protected IResultListener<java.util.Collection<E>> |
delegate
The delegate result listener.
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protected boolean |
ignorefailures
Flag to indicate that failures should be ignored and only valid results returned.
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protected boolean |
notified
Flag to indicate that the delegate already has been notified.
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protected static java.lang.Object |
NULL
Null object.
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protected int |
num
The number of sub listeners to wait for.
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protected java.util.Collection<E> |
results
The original result collection.
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protected boolean |
undone
The undone flag.
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Constructor and Description |
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CollectionResultListener(boolean ignorefailes,
IFunctionalResultListener<java.util.Collection<E>> resultDelegate,
IFunctionalExceptionListener exceptionDelegate)
Create a new collection listener.
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CollectionResultListener(boolean ignorefailures,
IResultListener<java.util.Collection<E>> delegate)
Create a new collection listener.
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CollectionResultListener(IFunctionalResultListener<java.util.Collection<E>> resultDelegate,
IFunctionalExceptionListener exceptionDelegate)
Create a new collection listener.
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CollectionResultListener(int num,
boolean ignorefailes,
IFunctionalResultListener<java.util.Collection<E>> resultDelegate,
IFunctionalExceptionListener exceptionDelegate)
Create a new collection listener.
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CollectionResultListener(int num,
boolean ignorefailures,
IResultListener<java.util.Collection<E>> delegate)
Create a new collection listener.
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CollectionResultListener(int num,
IFunctionalResultListener<java.util.Collection<E>> resultDelegate,
IFunctionalExceptionListener exceptionDelegate)
Create a new collection listener.
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CollectionResultListener(int num,
IResultListener<java.util.Collection<E>> delegate)
Create a new collection listener that stops on failures.
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CollectionResultListener(IResultListener<java.util.Collection<E>> delegate)
Create a new collection listener that stops on failures.
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Modifier and Type | Method and Description |
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protected boolean |
checkNotify(E result,
java.lang.Exception ex)
Check if the delegate should be notified.
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void |
exceptionOccurred(java.lang.Exception exception)
Called when an exception occurred.
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void |
exceptionOccurredIfUndone(java.lang.Exception exception)
Called when an exception occurred.
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int |
getResultCount()
Get the result count.
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boolean |
isUndone()
Get the undone.
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protected void |
notifyDelegate(java.lang.Exception exception)
Notify the delegate.
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void |
resultAvailable(E result)
Called when some result is available.
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void |
resultAvailableIfUndone(E result)
Called when the result is available.
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void |
setNumber(int num)
Set the expected number of results.
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protected int num
protected java.util.Collection<E> results
protected IResultListener<java.util.Collection<E>> delegate
protected boolean notified
protected boolean ignorefailures
protected boolean undone
protected static final java.lang.Object NULL
public CollectionResultListener(IFunctionalResultListener<java.util.Collection<E>> resultDelegate, IFunctionalExceptionListener exceptionDelegate)
num
- The expected number of results.resultDelegate
- The functional delegate result listener.exceptionDelegate
- The functional delegate exception listener.
Passing null
enables default exception logging.public CollectionResultListener(IResultListener<java.util.Collection<E>> delegate)
num
- The expected number of results.delegate
- The delegate result listener.public CollectionResultListener(boolean ignorefailes, IFunctionalResultListener<java.util.Collection<E>> resultDelegate, IFunctionalExceptionListener exceptionDelegate)
num
- The expected number of results.ignorefailures
- When set to true failures will be tolerated and
just not be added to the result collection.resultDelegate
- The functional delegate result listener.exceptionDelegate
- The functional delegate exception listener.
Passing null
enables default exception logging.public CollectionResultListener(boolean ignorefailures, IResultListener<java.util.Collection<E>> delegate)
num
- The expected number of results.ignorefailures
- When set to true failures will be
tolerated and just not be added to the result collection.delegate
- The delegate result listener.public CollectionResultListener(int num, IFunctionalResultListener<java.util.Collection<E>> resultDelegate, IFunctionalExceptionListener exceptionDelegate)
num
- The expected number of results.resultDelegate
- The functional delegate result listener.exceptionDelegate
- The functional delegate exception listener.
Passing null
enables default exception logging.public CollectionResultListener(int num, IResultListener<java.util.Collection<E>> delegate)
num
- The expected number of results.delegate
- The delegate result listener.public CollectionResultListener(int num, boolean ignorefailes, IFunctionalResultListener<java.util.Collection<E>> resultDelegate, IFunctionalExceptionListener exceptionDelegate)
num
- The expected number of results.ignorefailures
- When set to true failures will be tolerated and
just not be added to the result collection.resultDelegate
- The functional delegate result listener.exceptionDelegate
- The functional delegate exception listener.
Passing null
enables default exception logging.public CollectionResultListener(int num, boolean ignorefailures, IResultListener<java.util.Collection<E>> delegate)
num
- The expected number of results.ignorefailures
- When set to true failures will be
tolerated and just not be added to the result collection.delegate
- The delegate result listener.public void resultAvailable(E result)
resultAvailable
in interface IFunctionalResultListener<E>
result
- The result.public void exceptionOccurred(java.lang.Exception exception)
exceptionOccurred
in interface IFunctionalExceptionListener
exception
- The exception.public void resultAvailableIfUndone(E result)
resultAvailableIfUndone
in interface IUndoneResultListener<E>
result
- The result.public void exceptionOccurredIfUndone(java.lang.Exception exception)
exceptionOccurredIfUndone
in interface IUndoneResultListener<E>
exception
- The exception.public boolean isUndone()
public int getResultCount()
public void setNumber(int num)
num
- The expected number of results to set.protected boolean checkNotify(E result, java.lang.Exception ex)
protected void notifyDelegate(java.lang.Exception exception)