Package com.arcadedb.query.sql.executor

Class FetchFromClusterExecutionStep

java.lang.Object

com.arcadedb.query.sql.executor.AbstractExecutionStep

com.arcadedb.query.sql.executor.FetchFromClusterExecutionStep

All Implemented Interfaces:

ExecutionStep, ExecutionStepInternal

public class FetchFromClusterExecutionStep
extends AbstractExecutionStep

Author:

Luigi Dell'Aquila (luigi.dellaquila-(at)-gmail.com)

Field Summary

Fields

Modifier and Type	Field	Description
static Object	ORDER_ASC
static Object	ORDER_DESC

Fields inherited from class com.arcadedb.query.sql.executor.AbstractExecutionStep

ctx, next, prev, profilingEnabled, timedOut

Constructor Summary

Constructors

Constructor	Description
FetchFromClusterExecutionStep(int bucketId, CommandContext ctx, boolean profilingEnabled)
FetchFromClusterExecutionStep(int bucketId, QueryPlanningInfo queryPlanning, CommandContext ctx, boolean profilingEnabled)

Method Summary

Modifier and Type	Method	Description
boolean	canBeCached()
ExecutionStep	copy(CommandContext ctx)
void	deserialize(Result fromResult)
long	getCost()	returns the absolute cost (in nanoseconds) of the execution of this step
String	prettyPrint(int depth, int indent)
Result	serialize()
void	setOrder(Object order)
ResultSet	syncPull(CommandContext ctx, int nRecords)

Methods inherited from class com.arcadedb.query.sql.executor.AbstractExecutionStep

close, getContext, getCostFormatted, getNext, getPrev, isProfilingEnabled, isTimedOut, sendTimeout, 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.arcadedb.query.sql.executor.ExecutionStep

toResult

Methods inherited from interface com.arcadedb.query.sql.executor.ExecutionStepInternal

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

Field Detail

ORDER_ASC

public static final Object ORDER_ASC

ORDER_DESC

public static final Object ORDER_DESC

Constructor Detail

FetchFromClusterExecutionStep

public FetchFromClusterExecutionStep(int bucketId,
                                     CommandContext ctx,
                                     boolean profilingEnabled)

FetchFromClusterExecutionStep

public FetchFromClusterExecutionStep(int bucketId,
                                     QueryPlanningInfo queryPlanning,
                                     CommandContext ctx,
                                     boolean profilingEnabled)

Method Detail

syncPull

public ResultSet syncPull(CommandContext ctx,
                          int nRecords)
                   throws TimeoutException

Throws:

TimeoutException

prettyPrint

public String prettyPrint(int depth,
                          int indent)

setOrder

public void setOrder(Object order)

getCost

public long getCost()

Description copied from interface: ExecutionStep

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 Result serialize()

deserialize

public void deserialize(Result fromResult)

canBeCached

public boolean canBeCached()

copy

public ExecutionStep copy(CommandContext ctx)