mondrian.rolap.sql
Class MemberListCrossJoinArg

java.lang.Object
  mondrian.rolap.sql.MemberListCrossJoinArg

All Implemented Interfaces:

CrossJoinArg

public class MemberListCrossJoinArg
extends Object
implements CrossJoinArg

Represents an enumeration {member1, member2, ...}. All members must to the same level and are non-calculated.

Field Summary

Fields inherited from interface mondrian.rolap.sql.CrossJoinArg

EMPTY_ARRAY

Method Summary

void	addConstraint(SqlQuery sqlQuery, RolapCube baseCube, AggStar aggStar)
static CrossJoinArg	create(RolapEvaluator evaluator, List<RolapMember> args, boolean restrictMemberTypes, boolean exclude) Creates an instance of CrossJoinArg, or returns null if the arguments are invalid.
boolean	equals(Object obj)
RolapLevel	getLevel()
List<RolapMember>	getMembers()
boolean	hasAllMember()
boolean	hasCalcMembers()
int	hashCode()
boolean	isEmptyCrossJoinArg() Returns whether the input CJ arg is empty.
boolean	isPreferInterpreter(boolean joinArg)

Methods inherited from class java.lang.Object

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

Method Detail

create

public static CrossJoinArg create(RolapEvaluator evaluator,
                                  List<RolapMember> args,
                                  boolean restrictMemberTypes,
                                  boolean exclude)

Creates an instance of CrossJoinArg, or returns null if the arguments are invalid. This method also records properties of the member list such as containing calc/non calc members, and containing the All member.

If restrictMemberTypes is set, then the resulting argument could contain calculated members. The newly created CrossJoinArg is marked appropriately for special handling downstream.

If restrictMemberTypes is false, then the resulting argument contains non-calculated members of the same level (after filtering out any null members).

Parameters:

evaluator - the current evaluator

args - members in the list

restrictMemberTypes - whether calculated members are allowed

exclude - Whether to exclude tuples that match the predicate

Returns:

MemberListCrossJoinArg if member list is well formed, null if not.

getLevel

public RolapLevel getLevel()

Specified by:

getLevel in interface CrossJoinArg

getMembers

public List<RolapMember> getMembers()

Specified by:

getMembers in interface CrossJoinArg

isPreferInterpreter

public boolean isPreferInterpreter(boolean joinArg)

Specified by:

isPreferInterpreter in interface CrossJoinArg

addConstraint

public void addConstraint(SqlQuery sqlQuery,
                          RolapCube baseCube,
                          AggStar aggStar)

Specified by:

addConstraint in interface CrossJoinArg

isEmptyCrossJoinArg

public boolean isEmptyCrossJoinArg()

Returns whether the input CJ arg is empty.

This is used to selectively push down empty input arg into the native evaluator.

Returns:

whether the input CJ arg is empty

hasCalcMembers

public boolean hasCalcMembers()

hasAllMember

public boolean hasAllMember()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object