Inheritance diagram for com.google.ortools.sat.DecisionStrategyProto.Builder:

Public Member Functions
Builder	clear ()

com.google.protobuf.Descriptors.Descriptor	getDescriptorForType ()

com.google.ortools.sat.DecisionStrategyProto	getDefaultInstanceForType ()

com.google.ortools.sat.DecisionStrategyProto	build ()

com.google.ortools.sat.DecisionStrategyProto	buildPartial ()

Builder	mergeFrom (com.google.protobuf.Message other)

Builder	mergeFrom (com.google.ortools.sat.DecisionStrategyProto other)

final boolean	isInitialized ()

Builder	mergeFrom (com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException

java.util.List< java.lang.Integer >	getVariablesList ()

int	getVariablesCount ()

int	getVariables (int index)

Builder	setVariables (int index, int value)

Builder	addVariables (int value)

Builder	addAllVariables (java.lang.Iterable<? extends java.lang.Integer > values)

Builder	clearVariables ()

java.util.List< com.google.ortools.sat.LinearExpressionProto >	getExprsList ()

int	getExprsCount ()

com.google.ortools.sat.LinearExpressionProto	getExprs (int index)

Builder	setExprs (int index, com.google.ortools.sat.LinearExpressionProto value)

Builder	setExprs (int index, com.google.ortools.sat.LinearExpressionProto.Builder builderForValue)

Builder	addExprs (com.google.ortools.sat.LinearExpressionProto value)

Builder	addExprs (int index, com.google.ortools.sat.LinearExpressionProto value)

Builder	addExprs (com.google.ortools.sat.LinearExpressionProto.Builder builderForValue)

Builder	addExprs (int index, com.google.ortools.sat.LinearExpressionProto.Builder builderForValue)

Builder	addAllExprs (java.lang.Iterable<? extends com.google.ortools.sat.LinearExpressionProto > values)

Builder	clearExprs ()

Builder	removeExprs (int index)

com.google.ortools.sat.LinearExpressionProto.Builder	getExprsBuilder (int index)

com.google.ortools.sat.LinearExpressionProtoOrBuilder	getExprsOrBuilder (int index)

java.util.List<? extends com.google.ortools.sat.LinearExpressionProtoOrBuilder >	getExprsOrBuilderList ()

com.google.ortools.sat.LinearExpressionProto.Builder	addExprsBuilder ()

com.google.ortools.sat.LinearExpressionProto.Builder	addExprsBuilder (int index)

java.util.List< com.google.ortools.sat.LinearExpressionProto.Builder >	getExprsBuilderList ()

int	getVariableSelectionStrategyValue ()

Builder	setVariableSelectionStrategyValue (int value)

com.google.ortools.sat.DecisionStrategyProto.VariableSelectionStrategy	getVariableSelectionStrategy ()

Builder	setVariableSelectionStrategy (com.google.ortools.sat.DecisionStrategyProto.VariableSelectionStrategy value)

Builder	clearVariableSelectionStrategy ()

int	getDomainReductionStrategyValue ()

Builder	setDomainReductionStrategyValue (int value)

com.google.ortools.sat.DecisionStrategyProto.DomainReductionStrategy	getDomainReductionStrategy ()

Builder	setDomainReductionStrategy (com.google.ortools.sat.DecisionStrategyProto.DomainReductionStrategy value)

Builder	clearDomainReductionStrategy ()

Static Public Member Functions
static final com.google.protobuf.Descriptors.Descriptor	getDescriptor ()

Protected Member Functions
com.google.protobuf.GeneratedMessage.FieldAccessorTable	internalGetFieldAccessorTable ()

Detailed Description

Define the strategy to follow when the solver needs to take a new decision.
Note that this strategy is only defined on a subset of variables.

Protobuf type operations_research.sat.DecisionStrategyProto

Definition at line 751 of file DecisionStrategyProto.java.

Member Function Documentation

◆ addAllExprs()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addAllExprs ( java.lang.Iterable<? extends com.google.ortools.sat.LinearExpressionProto > values )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1340 of file DecisionStrategyProto.java.

◆ addAllVariables()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addAllVariables ( java.lang.Iterable<? extends java.lang.Integer > values )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Parameters

values The variables to add.

Returns: This builder for chaining.

Definition at line 1087 of file DecisionStrategyProto.java.

◆ addExprs() [1/4]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addExprs ( com.google.ortools.sat.LinearExpressionProto value )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1243 of file DecisionStrategyProto.java.

◆ addExprs() [2/4]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addExprs ( com.google.ortools.sat.LinearExpressionProto.Builder builderForValue )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1294 of file DecisionStrategyProto.java.

◆ addExprs() [3/4]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addExprs	(	int	index,
		com.google.ortools.sat.LinearExpressionProto	value )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1268 of file DecisionStrategyProto.java.

◆ addExprs() [4/4]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addExprs	(	int	index,
		com.google.ortools.sat.LinearExpressionProto.Builder	builderForValue )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1317 of file DecisionStrategyProto.java.

◆ addExprsBuilder() [1/2]

com.google.ortools.sat.LinearExpressionProto.Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addExprsBuilder ( )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1463 of file DecisionStrategyProto.java.

◆ addExprsBuilder() [2/2]

com.google.ortools.sat.LinearExpressionProto.Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addExprsBuilder ( int index )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1479 of file DecisionStrategyProto.java.

◆ addVariables()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.addVariables ( int value )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Parameters

value The variables to add.

Returns: This builder for chaining.

Definition at line 1068 of file DecisionStrategyProto.java.

◆ build()

com.google.ortools.sat.DecisionStrategyProto com.google.ortools.sat.DecisionStrategyProto.Builder.build ( )

Definition at line 807 of file DecisionStrategyProto.java.

◆ buildPartial()

com.google.ortools.sat.DecisionStrategyProto com.google.ortools.sat.DecisionStrategyProto.Builder.buildPartial ( )

Definition at line 816 of file DecisionStrategyProto.java.

◆ clear()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.clear ( )

Definition at line 779 of file DecisionStrategyProto.java.

◆ clearDomainReductionStrategy()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.clearDomainReductionStrategy ( )

.operations_research.sat.DecisionStrategyProto.DomainReductionStrategy domain_reduction_strategy = 3;

Returns: This builder for chaining.

Definition at line 1614 of file DecisionStrategyProto.java.

◆ clearExprs()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.clearExprs ( )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1364 of file DecisionStrategyProto.java.

◆ clearVariables()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.clearVariables ( )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Returns: This builder for chaining.

Definition at line 1106 of file DecisionStrategyProto.java.

◆ clearVariableSelectionStrategy()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.clearVariableSelectionStrategy ( )

.operations_research.sat.DecisionStrategyProto.VariableSelectionStrategy variable_selection_strategy = 2;

Returns: This builder for chaining.

Definition at line 1561 of file DecisionStrategyProto.java.

◆ getDefaultInstanceForType()

com.google.ortools.sat.DecisionStrategyProto com.google.ortools.sat.DecisionStrategyProto.Builder.getDefaultInstanceForType ( )

Definition at line 802 of file DecisionStrategyProto.java.

◆ getDescriptor()

static final com.google.protobuf.Descriptors.Descriptor com.google.ortools.sat.DecisionStrategyProto.Builder.getDescriptor ( )

static

Definition at line 756 of file DecisionStrategyProto.java.

◆ getDescriptorForType()

com.google.protobuf.Descriptors.Descriptor com.google.ortools.sat.DecisionStrategyProto.Builder.getDescriptorForType ( )

Definition at line 797 of file DecisionStrategyProto.java.

◆ getDomainReductionStrategy()

com.google.ortools.sat.DecisionStrategyProto.DomainReductionStrategy com.google.ortools.sat.DecisionStrategyProto.Builder.getDomainReductionStrategy ( )

.operations_research.sat.DecisionStrategyProto.DomainReductionStrategy domain_reduction_strategy = 3;

Returns: The domainReductionStrategy.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1592 of file DecisionStrategyProto.java.

◆ getDomainReductionStrategyValue()

int com.google.ortools.sat.DecisionStrategyProto.Builder.getDomainReductionStrategyValue ( )

.operations_research.sat.DecisionStrategyProto.DomainReductionStrategy domain_reduction_strategy = 3;

Returns: The enum numeric value on the wire for domainReductionStrategy.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1573 of file DecisionStrategyProto.java.

◆ getExprs()

com.google.ortools.sat.LinearExpressionProto com.google.ortools.sat.DecisionStrategyProto.Builder.getExprs ( int index )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1175 of file DecisionStrategyProto.java.

◆ getExprsBuilder()

com.google.ortools.sat.LinearExpressionProto.Builder com.google.ortools.sat.DecisionStrategyProto.Builder.getExprsBuilder ( int index )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1408 of file DecisionStrategyProto.java.

◆ getExprsBuilderList()

java.util.List< com.google.ortools.sat.LinearExpressionProto.Builder > com.google.ortools.sat.DecisionStrategyProto.Builder.getExprsBuilderList ( )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1497 of file DecisionStrategyProto.java.

◆ getExprsCount()

int com.google.ortools.sat.DecisionStrategyProto.Builder.getExprsCount ( )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1156 of file DecisionStrategyProto.java.

◆ getExprsList()

java.util.List< com.google.ortools.sat.LinearExpressionProto > com.google.ortools.sat.DecisionStrategyProto.Builder.getExprsList ( )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1137 of file DecisionStrategyProto.java.

◆ getExprsOrBuilder()

com.google.ortools.sat.LinearExpressionProtoOrBuilder com.google.ortools.sat.DecisionStrategyProto.Builder.getExprsOrBuilder ( int index )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1424 of file DecisionStrategyProto.java.

◆ getExprsOrBuilderList()

java.util.List<? extends com.google.ortools.sat.LinearExpressionProtoOrBuilder > com.google.ortools.sat.DecisionStrategyProto.Builder.getExprsOrBuilderList ( )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1444 of file DecisionStrategyProto.java.

◆ getVariables()

int com.google.ortools.sat.DecisionStrategyProto.Builder.getVariables ( int index )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Parameters

index The index of the element to return.

Returns: The variables at the given index.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1033 of file DecisionStrategyProto.java.

◆ getVariablesCount()

int com.google.ortools.sat.DecisionStrategyProto.Builder.getVariablesCount ( )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Returns: The count of variables.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1019 of file DecisionStrategyProto.java.

◆ getVariableSelectionStrategy()

com.google.ortools.sat.DecisionStrategyProto.VariableSelectionStrategy com.google.ortools.sat.DecisionStrategyProto.Builder.getVariableSelectionStrategy ( )

.operations_research.sat.DecisionStrategyProto.VariableSelectionStrategy variable_selection_strategy = 2;

Returns: The variableSelectionStrategy.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1539 of file DecisionStrategyProto.java.

◆ getVariableSelectionStrategyValue()

int com.google.ortools.sat.DecisionStrategyProto.Builder.getVariableSelectionStrategyValue ( )

.operations_research.sat.DecisionStrategyProto.VariableSelectionStrategy variable_selection_strategy = 2;

Returns: The enum numeric value on the wire for variableSelectionStrategy.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1520 of file DecisionStrategyProto.java.

◆ getVariablesList()

java.util.List< java.lang.Integer > com.google.ortools.sat.DecisionStrategyProto.Builder.getVariablesList ( )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Returns: A list containing the variables.

Implements com.google.ortools.sat.DecisionStrategyProtoOrBuilder.

Definition at line 1005 of file DecisionStrategyProto.java.

◆ internalGetFieldAccessorTable()

com.google.protobuf.GeneratedMessage.FieldAccessorTable com.google.ortools.sat.DecisionStrategyProto.Builder.internalGetFieldAccessorTable ( )

protected

Definition at line 762 of file DecisionStrategyProto.java.

◆ isInitialized()

final boolean com.google.ortools.sat.DecisionStrategyProto.Builder.isInitialized ( )

Definition at line 911 of file DecisionStrategyProto.java.

◆ mergeFrom() [1/3]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.mergeFrom ( com.google.ortools.sat.DecisionStrategyProto other )

Definition at line 860 of file DecisionStrategyProto.java.

◆ mergeFrom() [2/3]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.mergeFrom	(	com.google.protobuf.CodedInputStream	input,
		com.google.protobuf.ExtensionRegistryLite	extensionRegistry ) throws java.io.IOException

Definition at line 916 of file DecisionStrategyProto.java.

◆ mergeFrom() [3/3]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.mergeFrom ( com.google.protobuf.Message other )

Definition at line 851 of file DecisionStrategyProto.java.

◆ removeExprs()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.removeExprs ( int index )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1386 of file DecisionStrategyProto.java.

◆ setDomainReductionStrategy()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setDomainReductionStrategy ( com.google.ortools.sat.DecisionStrategyProto.DomainReductionStrategy value )

.operations_research.sat.DecisionStrategyProto.DomainReductionStrategy domain_reduction_strategy = 3;

Parameters

value The domainReductionStrategy to set.

Returns: This builder for chaining.

Definition at line 1601 of file DecisionStrategyProto.java.

◆ setDomainReductionStrategyValue()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setDomainReductionStrategyValue ( int value )

.operations_research.sat.DecisionStrategyProto.DomainReductionStrategy domain_reduction_strategy = 3;

Parameters

value The enum numeric value on the wire for domainReductionStrategy to set.

Returns: This builder for chaining.

Definition at line 1581 of file DecisionStrategyProto.java.

◆ setExprs() [1/2]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setExprs	(	int	index,
		com.google.ortools.sat.LinearExpressionProto	value )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1194 of file DecisionStrategyProto.java.

◆ setExprs() [2/2]

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setExprs	(	int	index,
		com.google.ortools.sat.LinearExpressionProto.Builder	builderForValue )

If this is set, then the variables field must be empty.
We currently only support affine expression.

Note that this is needed so that if a variable has an affine
representative, we can properly transform a DecisionStrategyProto through
presolve.

repeated .operations_research.sat.LinearExpressionProto exprs = 5;

Definition at line 1220 of file DecisionStrategyProto.java.

◆ setVariables()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setVariables	(	int	index,
		int	value )

The variables to be considered for the next decision. The order matter and
is always used as a tie-breaker after the variable selection strategy
criteria defined below.

repeated int32 variables = 1;

Parameters

index	The index to set the value at.
value	The variables to set.

Returns: This builder for chaining.

Definition at line 1048 of file DecisionStrategyProto.java.

◆ setVariableSelectionStrategy()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setVariableSelectionStrategy ( com.google.ortools.sat.DecisionStrategyProto.VariableSelectionStrategy value )

.operations_research.sat.DecisionStrategyProto.VariableSelectionStrategy variable_selection_strategy = 2;

Parameters

value The variableSelectionStrategy to set.

Returns: This builder for chaining.

Definition at line 1548 of file DecisionStrategyProto.java.

◆ setVariableSelectionStrategyValue()

Builder com.google.ortools.sat.DecisionStrategyProto.Builder.setVariableSelectionStrategyValue ( int value )

.operations_research.sat.DecisionStrategyProto.VariableSelectionStrategy variable_selection_strategy = 2;

Parameters

value The enum numeric value on the wire for variableSelectionStrategy to set.

Returns: This builder for chaining.

Definition at line 1528 of file DecisionStrategyProto.java.

The documentation for this class was generated from the following file:

build/java/ortools-java/src/main/java/com/google/ortools/sat/DecisionStrategyProto.java

Public Member Functions

Static Public Member Functions

Protected Member Functions

Detailed Description

Member Function Documentation

◆ addAllExprs()

◆ addAllVariables()

◆ addExprs() [1/4]

◆ addExprs() [2/4]

◆ addExprs() [3/4]

◆ addExprs() [4/4]

◆ addExprsBuilder() [1/2]

◆ addExprsBuilder() [2/2]

◆ addVariables()

◆ build()

◆ buildPartial()

◆ clear()

◆ clearDomainReductionStrategy()

◆ clearExprs()

◆ clearVariables()

◆ clearVariableSelectionStrategy()

◆ getDefaultInstanceForType()

◆ getDescriptor()

◆ getDescriptorForType()

◆ getDomainReductionStrategy()

◆ getDomainReductionStrategyValue()

◆ getExprs()

◆ getExprsBuilder()

◆ getExprsBuilderList()

◆ getExprsCount()

◆ getExprsList()

◆ getExprsOrBuilder()

◆ getExprsOrBuilderList()

◆ getVariables()

◆ getVariablesCount()

◆ getVariableSelectionStrategy()

◆ getVariableSelectionStrategyValue()

◆ getVariablesList()

◆ internalGetFieldAccessorTable()

◆ isInitialized()

◆ mergeFrom() [1/3]

◆ mergeFrom() [2/3]

◆ mergeFrom() [3/3]

◆ removeExprs()

◆ setDomainReductionStrategy()

◆ setDomainReductionStrategyValue()

◆ setExprs() [1/2]

◆ setExprs() [2/2]

◆ setVariables()

◆ setVariableSelectionStrategy()

◆ setVariableSelectionStrategyValue()