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

Constructors

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

Method Summary

Modifier and Type	Method and Description
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

Methods inherited from interface java.util.Iterator

forEachRemaining

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>