org.apache.ignite.internal.processors.platform.cache.query

Class PlatformAbstractQueryCursor<T>

java.lang.Object

org.apache.ignite.internal.processors.platform.PlatformAbstractTarget

org.apache.ignite.internal.processors.platform.cache.query.PlatformAbstractQueryCursor<T>

All Implemented Interfaces:

AutoCloseable, PlatformTarget

Direct Known Subclasses:

PlatformFieldsQueryCursor, PlatformQueryCursor

public abstract class PlatformAbstractQueryCursor<T>
extends PlatformAbstractTarget
implements AutoCloseable

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.platform.PlatformAbstractTarget

FALSE, log, platformCtx, TRUE

Constructor Summary

Constructors

Constructor and Description
PlatformAbstractQueryCursor(PlatformContext platformCtx, QueryCursorEx<T> cursor, int batchSize) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
void	iterator() Get cursor iterator.
boolean	iteratorHasNext() Check whether next iterator entry exists.
protected void	processOutStream(int type, BinaryRawWriterEx writer) Process OUT operation.
protected abstract void	write(BinaryRawWriterEx writer, T val) Write value to the stream.

Methods inherited from class org.apache.ignite.internal.processors.platform.PlatformAbstractTarget

convertException, currentFuture, futureWriter, inObjectStreamOutStream, inStreamOutLong, inStreamOutObject, inStreamOutStream, listenFuture, listenFutureAndGet, listenFutureForOperation, listenFutureForOperationAndGet, outLong, outObject, outStream, platformContext, processInObjectStreamOutStream, processInStreamOutLong, processInStreamOutObject, processInStreamOutStream, processOutLong, processOutObject, throwUnsupported

Methods inherited from class java.lang.Object

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

Constructor Detail

PlatformAbstractQueryCursor

public PlatformAbstractQueryCursor(PlatformContext platformCtx,
                           QueryCursorEx<T> cursor,
                           int batchSize)

Constructor.

Parameters:

platformCtx - Context.

cursor - Underlying cursor.

batchSize - Batch size.

Method Detail

processOutStream

protected void processOutStream(int type,
                    BinaryRawWriterEx writer)
                         throws IgniteCheckedException

Process OUT operation.

Overrides:

processOutStream in class PlatformAbstractTarget

Parameters:

type - Type.

writer - Binary writer.

Throws:

IgniteCheckedException - In case of exception.

iterator

public void iterator()

Get cursor iterator.

iteratorHasNext

public boolean iteratorHasNext()

Check whether next iterator entry exists.

Returns:

True if exists.

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

write

protected abstract void write(BinaryRawWriterEx writer,
         T val)

Write value to the stream. Extension point to perform conversions on the object before writing it.

Parameters:

writer - Writer.

val - Value.