Package com.arcadedb.query.sql.executor

Class AbstractUnrollStep

java.lang.Object

com.arcadedb.query.sql.executor.AbstractExecutionStep

com.arcadedb.query.sql.executor.AbstractUnrollStep

All Implemented Interfaces:

ExecutionStep, ExecutionStepInternal

Direct Known Subclasses:

ReturnMatchElementsStep, ReturnMatchPathElementsStep, WhileMatchStep

public abstract class AbstractUnrollStep
extends AbstractExecutionStep

unwinds a result-set.

Author:

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

Field Summary

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

ctx, next, prev, profilingEnabled, timedOut

Constructor Summary

Constructors

Constructor	Description
AbstractUnrollStep(CommandContext ctx, boolean profilingEnabled)

Method Summary

Modifier and Type	Method	Description
void	reset()
ResultSet	syncPull(CommandContext ctx, int nRecords)
protected abstract Collection<Result>	unroll(Result doc, CommandContext iContext)

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

getCost, toResult

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

canBeCached, copy, deserialize, getDescription, getName, getSubExecutionPlans, getSubSteps, getTargetNode, getType, prettyPrint, serialize

Constructor Detail

AbstractUnrollStep

public AbstractUnrollStep(CommandContext ctx,
                          boolean profilingEnabled)

Method Detail

reset

public void reset()

syncPull

public ResultSet syncPull(CommandContext ctx,
                          int nRecords)

unroll

protected abstract Collection<Result> unroll(Result doc,
                                             CommandContext iContext)