ninja.ugly.prevail.chunk

Class QueryResult.EmptyQueryResult<V>

java.lang.Object

ninja.ugly.prevail.chunk.QueryResult.EmptyQueryResult<V>

Type Parameters:

V -

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Iterable<V>, QueryResult<V>

Direct Known Subclasses:

QueryResult.IterableQueryResult, QueryResult.SingletonQueryResult

Enclosing interface:

QueryResult<V>

public static class QueryResult.EmptyQueryResult<V>
extends java.lang.Object
implements QueryResult<V>

An empty implementation of QueryResult interface that does nothing.

This implementation cannot be closed, ie calls to close() do nothing and calls to isClosed() always return false.

Nested Class Summary

Nested classes/interfaces inherited from interface ninja.ugly.prevail.chunk.QueryResult

QueryResult.EmptyQueryResult<V>, QueryResult.IterableQueryResult<V>, QueryResult.SingletonQueryResult<V>

Constructor Summary

Constructors

Constructor and Description
QueryResult.EmptyQueryResult()

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
boolean	isClosed() Returns if this QueryResult is already closed.
java.util.Iterator<V>	iterator() Returns an empty iterator.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryResult.EmptyQueryResult

public QueryResult.EmptyQueryResult()

Method Detail

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.io.IOException

isClosed

public boolean isClosed()

Description copied from interface: QueryResult

Returns if this QueryResult is already closed.

Specified by:

isClosed in interface QueryResult<V>

Returns:

a boolean true if this query result is close, false otherwise

iterator

public java.util.Iterator<V> iterator()

Returns an empty iterator.

Specified by:

iterator in interface java.lang.Iterable<V>

Returns:

An iterator over this QueryResult, containing no elements.