Package se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.rewriting.rules

Class IdentifyLogicalOp

java.lang.Object

se.liu.ida.hefquin.engine.queryproc.impl.poptimizer.rewriting.rules.IdentifyLogicalOp

public class IdentifyLogicalOp
extends Object

Constructor Summary

Constructors

Constructor	Description
IdentifyLogicalOp()

Method Summary

Modifier and Type	Method	Description
static boolean	isBGPAdd(PhysicalOperator op)
static boolean	isBGPAddWithFm(PhysicalOperator op, FederationMember fm)
static boolean	isJoin(PhysicalOperator op)
static boolean	isMultiwayJoin(PhysicalOperator op)
static boolean	isMultiwayUnion(PhysicalOperator op)
static boolean	isTPAdd(PhysicalOperator op)
static boolean	isUnion(PhysicalOperator op)

Methods inherited from class java.lang.Object

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

Constructor Details

IdentifyLogicalOp

public IdentifyLogicalOp()

Method Details

isJoin

public static boolean isJoin(PhysicalOperator op)

isTPAdd

public static boolean isTPAdd(PhysicalOperator op)

isBGPAdd

public static boolean isBGPAdd(PhysicalOperator op)

isUnion

public static boolean isUnion(PhysicalOperator op)

isMultiwayJoin

public static boolean isMultiwayJoin(PhysicalOperator op)

isMultiwayUnion

public static boolean isMultiwayUnion(PhysicalOperator op)

isBGPAddWithFm

public static boolean isBGPAddWithFm(PhysicalOperator op,
 FederationMember fm)