com.espertech.esper.collection
Class SafeIteratorImpl<E>

java.lang.Object
  com.espertech.esper.collection.SafeIteratorImpl<E>

All Implemented Interfaces:

SafeIterator<E>, java.util.Iterator<E>

Direct Known Subclasses:

SafeIteratorWTableImpl

public class SafeIteratorImpl<E>
extends java.lang.Object
implements SafeIterator<E>

Implements the safe iterator. The class is passed a lock that is locked already, to release when the close method closes the iterator.

Constructor Summary

SafeIteratorImpl(StatementAgentInstanceLock iteratorLock, java.util.Iterator<E> underlying)
Ctor.

Method Summary

void	close() Close the safe itertor, releasing locks.
boolean	hasNext()
E	next()
void	remove()

Methods inherited from class java.lang.Object

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

Constructor Detail

SafeIteratorImpl

public SafeIteratorImpl(StatementAgentInstanceLock iteratorLock,
                        java.util.Iterator<E> underlying)

Ctor.

Parameters:

iteratorLock - for locking resources to safely-iterate over

underlying - is the underlying iterator to protect

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<E>

next

public E next()

Specified by:

next in interface java.util.Iterator<E>

close

public void close()

Description copied from interface: SafeIterator

Close the safe itertor, releasing locks. This is a required call and should preferably occur in a finally block.

Specified by:

close in interface SafeIterator<E>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<E>