org.apache.ignite.internal.processors.query.h2

Class H2ResultSetIterator<T>

java.lang.Object

org.apache.ignite.internal.util.lang.GridIteratorAdapter<T>

org.apache.ignite.internal.processors.query.h2.H2ResultSetIterator<T>

All Implemented Interfaces:

Serializable, AutoCloseable, Iterable<T>, Iterator<T>, GridSerializableIterator<T>, GridCloseableIterator<T>, GridIterator<T>, IgniteSpiCloseableIterator<T>

Direct Known Subclasses:

H2FieldsIterator

public abstract class H2ResultSetIterator<T>
extends GridIteratorAdapter<T>
implements GridCloseableIterator<T>

Iterator over result set.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Object[]	row
protected Tracing	tracing Tracing processor.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	H2ResultSetIterator(ResultSet data, int pageSize, IgniteLogger log, IgniteH2Indexing h2, H2QueryInfo qryInfo, Tracing tracing)

Method Summary

Modifier and Type	Method and Description
void	close()
protected abstract T	createRow()
boolean	hasNextX()
boolean	isClosed()
void	lockTables()
T	nextX()
void	onClose()
void	removeX()
String	toString()
void	unlockTables()

Methods inherited from class org.apache.ignite.internal.util.lang.GridIteratorAdapter

hasNext, iterator, next, remove

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Field Detail

row

protected Object[] row

tracing

protected final Tracing tracing

Tracing processor.

Constructor Detail

H2ResultSetIterator

protected H2ResultSetIterator(ResultSet data,
                              int pageSize,
                              IgniteLogger log,
                              IgniteH2Indexing h2,
                              H2QueryInfo qryInfo,
                              Tracing tracing)
                       throws IgniteCheckedException

Parameters:

data - Data array.

log - Logger.

h2 - Indexing H2.

qryInfo - Query info.

pageSize - Page size.

tracing - Tracing processor.

Throws:

IgniteCheckedException - If failed.

Method Detail

lockTables

public void lockTables()

unlockTables

public void unlockTables()

createRow

protected abstract T createRow()

Returns:

Row.

onClose

public void onClose()
             throws IgniteCheckedException

Throws:

IgniteCheckedException - On error.

close

public void close()
           throws IgniteCheckedException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface GridCloseableIterator<T>

Specified by:

close in interface IgniteSpiCloseableIterator<T>

Throws:

IgniteCheckedException

isClosed

public boolean isClosed()

Specified by:

isClosed in interface GridCloseableIterator<T>

hasNextX

public boolean hasNextX()
                 throws IgniteCheckedException

Specified by:

hasNextX in interface GridIterator<T>

Throws:

IgniteCheckedException

nextX

public T nextX()
        throws IgniteCheckedException

Specified by:

nextX in interface GridIterator<T>

Throws:

IgniteCheckedException

removeX

public void removeX()
             throws IgniteCheckedException

Specified by:

removeX in interface GridIterator<T>

Throws:

IgniteCheckedException

toString

public String toString()

Overrides:

toString in class Object