com.ibm.websphere.ejbquery

Class QueryIterator

java.lang.Object

com.ibm.websphere.ejbquery.QueryIterator

All Implemented Interfaces:

java.io.Serializable, java.util.Iterator

public class QueryIterator
extends java.lang.Object
implements java.util.Iterator, java.io.Serializable

Iterator over a collection of IQueryTuple objects. This iterator is returned by the remote interface of the Websphere dynamic ejb query service. The result collection belonging to this iterator is fully materialized. This iterator and its collection can be passed to a remote J2EE client.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
QueryIterator(com.ibm.ObjectQuery.QueryTuple[] elements, boolean exhausted, java.util.ArrayList headings)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	getFieldClassName(int field) future
java.lang.String	getFieldName(int field) descriptive name for the nth field of the result set.
int	getFieldsCount() number of fields in the result set
java.lang.Object	getFieldType(int field) future
boolean	hasNext() returns TRUE if the iteration has more elements
boolean	isComplete() TRUE if the result set was truncated, FALSE otherwise.
java.lang.Object	next() returns the next IQueryTuple in the iteration
void	remove() no operation

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryIterator

public QueryIterator(com.ibm.ObjectQuery.QueryTuple[] elements,
             boolean exhausted,
             java.util.ArrayList headings)

Method Detail

next

public java.lang.Object next()

returns the next IQueryTuple in the iteration

Specified by:

next in interface java.util.Iterator

hasNext

public boolean hasNext()

returns TRUE if the iteration has more elements

Specified by:

hasNext in interface java.util.Iterator

remove

public void remove()

no operation

Specified by:

remove in interface java.util.Iterator

getFieldType

public java.lang.Object getFieldType(int field)

future

getFieldClassName

public java.lang.Object getFieldClassName(int field)

future

getFieldName

public java.lang.String getFieldName(int field)

descriptive name for the nth field of the result set. n=1 is the first field.

getFieldsCount

public int getFieldsCount()

number of fields in the result set

isComplete

public boolean isComplete()

TRUE if the result set was truncated, FALSE otherwise. The result set can be truncated because of the maxRow parameter on the query call. Query.executeQuery(java.lang.String, java.lang.Object[], java.util.Properties, int, int)