Package com.orientechnologies.orient.core.sql.executor

Class FetchFromClusterExecutionStep

java.lang.Object

com.orientechnologies.orient.core.sql.executor.AbstractExecutionStep

com.orientechnologies.orient.core.sql.executor.FetchFromClusterExecutionStep

All Implemented Interfaces:

OExecutionStep, OExecutionStepInternal

public class FetchFromClusterExecutionStep
extends AbstractExecutionStep

Author:

Luigi Dell'Aquila (l.dellaquila-(at)-orientdb.com)

Field Summary

Fields

Modifier and Type	Field	Description
static final Object	ORDER_ASC
static final Object	ORDER_DESC

Fields inherited from class com.orientechnologies.orient.core.sql.executor.AbstractExecutionStep

ctx, next, prev, profilingEnabled, timedOut

Constructor Summary

Constructors

Constructor	Description
FetchFromClusterExecutionStep(int clusterId, OCommandContext ctx, boolean profilingEnabled)
FetchFromClusterExecutionStep(int clusterId, QueryPlanningInfo queryPlanning, OCommandContext ctx, boolean profilingEnabled)

Method Summary

Modifier and Type	Method	Description
boolean	canBeCached()
void	close()
OExecutionStep	copy(OCommandContext ctx)
void	deserialize(OResult fromResult)
long	getCost()	returns the absolute cost (in nanoseconds) of the execution of this step
String	prettyPrint(int depth, int indent)
void	sendTimeout()
OResult	serialize()
void	setOrder(Object order)
OResultSet	syncPull(OCommandContext ctx, int nRecords)

Methods inherited from class com.orientechnologies.orient.core.sql.executor.AbstractExecutionStep

getContext, getCostFormatted, getNext, getPrev, isProfilingEnabled, setNext, setPrevious, setProfilingEnabled

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.orientechnologies.orient.core.sql.executor.OExecutionStep

toResult

Methods inherited from interface com.orientechnologies.orient.core.sql.executor.OExecutionStepInternal

getDescription, getName, getSubExecutionPlans, getSubSteps, getTargetNode, getType, reset

Field Details

ORDER_ASC

public static final Object ORDER_ASC

ORDER_DESC

public static final Object ORDER_DESC

Constructor Details

FetchFromClusterExecutionStep

public FetchFromClusterExecutionStep(int clusterId,
 OCommandContext ctx,
 boolean profilingEnabled)

FetchFromClusterExecutionStep

public FetchFromClusterExecutionStep(int clusterId,
 QueryPlanningInfo queryPlanning,
 OCommandContext ctx,
 boolean profilingEnabled)

Method Details

syncPull

public OResultSet syncPull(OCommandContext ctx,
 int nRecords)
                    throws OTimeoutException

Throws:

OTimeoutException

sendTimeout

public void sendTimeout()

Specified by:

sendTimeout in interface OExecutionStepInternal

Overrides:

sendTimeout in class AbstractExecutionStep

close

public void close()

Specified by:

close in interface OExecutionStepInternal

Overrides:

close in class AbstractExecutionStep

prettyPrint

public String prettyPrint(int depth,
 int indent)

setOrder

public void setOrder(Object order)

getCost

public long getCost()

Description copied from interface: OExecutionStep

returns the absolute cost (in nanoseconds) of the execution of this step

Returns:

the absolute cost (in nanoseconds) of the execution of this step, -1 if not calculated

serialize

public OResult serialize()

deserialize

public void deserialize(OResult fromResult)

canBeCached

public boolean canBeCached()

copy

public OExecutionStep copy(OCommandContext ctx)