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

Class FetchFromClustersExecutionStep

java.lang.Object

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

com.orientechnologies.orient.core.sql.executor.FetchFromClustersExecutionStep

All Implemented Interfaces:

OExecutionStep, OExecutionStepInternal

public class FetchFromClustersExecutionStep
extends AbstractExecutionStep

Created by luigidellaquila on 21/07/16.

Field Summary

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

ctx, next, prev, profilingEnabled, timedOut

Constructor Summary

Constructors

Constructor	Description
FetchFromClustersExecutionStep(int[] clusterIds, OCommandContext ctx, Boolean ridOrder, boolean profilingEnabled)	iterates over a class and its subclasses

Method Summary

Modifier and Type	Method	Description
void	close()
void	deserialize(OResult fromResult)
long	getCost()	returns the absolute cost (in nanoseconds) of the execution of this step
List<OExecutionStep>	getSubSteps()
String	prettyPrint(int depth, int indent)
void	sendTimeout()
OResult	serialize()
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

canBeCached, copy, getDescription, getName, getSubExecutionPlans, getTargetNode, getType, reset

Constructor Details

FetchFromClustersExecutionStep

public FetchFromClustersExecutionStep(int[] clusterIds,
 OCommandContext ctx,
 Boolean ridOrder,
 boolean profilingEnabled)

iterates over a class and its subclasses

Parameters:

clusterIds - the clusters

ctx - the query context

ridOrder - true to sort by RID asc, false to sort by RID desc, null for no sort.

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)

getSubSteps

public List<OExecutionStep> getSubSteps()

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)