Package se.liu.ida.hefquin.engine.queryplan.logical.impl

Class LogicalOperatorBase

java.lang.Object

se.liu.ida.hefquin.engine.queryplan.logical.impl.LogicalOperatorBase

All Implemented Interfaces:

LogicalOperator

Direct Known Subclasses:

LogicalOpBGPAdd, LogicalOpBGPOptAdd, LogicalOpBind, LogicalOpFilter, LogicalOpGlobalToLocal, LogicalOpGPAdd, LogicalOpGPOptAdd, LogicalOpJoin, LogicalOpLocalToGlobal, LogicalOpMultiwayJoin, LogicalOpMultiwayLeftJoin, LogicalOpMultiwayUnion, LogicalOpRequest, LogicalOpRightJoin, LogicalOpTPAdd, LogicalOpTPOptAdd, LogicalOpUnion

public abstract class LogicalOperatorBase
extends Object
implements LogicalOperator

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	id

Constructor Summary

Constructors

Constructor	Description
LogicalOperatorBase()

Method Summary

Modifier and Type	Method	Description
int	getID()	Returns an identifier of this operator, which should be unique for all the operators within the same plan (no matter what type of operator they are).

Methods inherited from class java.lang.Object

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

Methods inherited from interface se.liu.ida.hefquin.engine.queryplan.logical.LogicalOperator

getExpectedVariables, visit

Field Details

id

protected final int id

Constructor Details

LogicalOperatorBase

public LogicalOperatorBase()

Method Details

getID

public int getID()

Description copied from interface: LogicalOperator

Returns an identifier of this operator, which should be unique for all the operators within the same plan (no matter what type of operator they are).

Specified by:

getID in interface LogicalOperator