org.teiid.dqp.internal.process

Class TupleSourceCache.CopyOnReadTupleSource

java.lang.Object

org.teiid.dqp.internal.process.TupleSourceCache.CopyOnReadTupleSource

All Implemented Interfaces:

TupleSource

Enclosing class:

TupleSourceCache

public abstract static class TupleSourceCache.CopyOnReadTupleSource
extends Object
implements TupleSource

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CopyOnReadTupleSource(TupleBuffer tb, TupleSource ts)

Method Summary

Modifier and Type	Method and Description
List<?>	nextTuple() Returns the next tuple

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.teiid.common.buffer.TupleSource

closeSource

Constructor Detail

CopyOnReadTupleSource

protected CopyOnReadTupleSource(TupleBuffer tb,
                                TupleSource ts)

Method Detail

nextTuple

public List<?> nextTuple()
                  throws TeiidComponentException,
                         TeiidProcessingException

Description copied from interface: TupleSource

Returns the next tuple

Specified by:

nextTuple in interface TupleSource

Returns:

the next tuple (a List object), or null if there are no more tuples.

Throws:

TeiidComponentException - indicating a non-business exception such as a communication exception, or other such nondeterministic exception

TeiidProcessingException