org.eclipse.stardust.engine.core.persistence

Class Operator.Unary

java.lang.Object

org.eclipse.stardust.common.StringKey

org.eclipse.stardust.engine.core.persistence.Operator

org.eclipse.stardust.engine.core.persistence.Operator.Unary

All Implemented Interfaces:

Serializable, Comparable

Enclosing class:

Operator

public static final class Operator.Unary
extends Operator

Enum class listing all currently supported unary comparison operators.

Version:

$Revision$

Author:

rsauer

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.stardust.engine.core.persistence.Operator

Operator.Binary, Operator.Ternary, Operator.Unary

Field Summary

Fields inherited from class org.eclipse.stardust.engine.core.persistence.Operator

BETWEEN, GREATER_OR_EQUAL, GREATER_THAN, IN, IS_EQUAL, IS_NOT_NULL, IS_NULL, LESS_OR_EQUAL, LESS_THAN, LIKE, NOT_ANY_OF, NOT_EQUAL, NOT_IN

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isBinary() Indicates if the operator is binary, i.e.
boolean	isTernary() Indicates if the operator is ternary, i.e.
boolean	isUnary() Indicates if the operator is unary, i.e.

Methods inherited from class org.eclipse.stardust.common.StringKey

compareTo, equals, getId, getKey, getKey, getKeys, getKeys, getName, hashCode, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Detail

isUnary

public boolean isUnary()

Description copied from class: Operator

Indicates if the operator is unary, i.e. supports no comparison operands.

Specified by:

isUnary in class Operator

Returns:

true if the operator is unary, else false.

isBinary

public boolean isBinary()

Description copied from class: Operator

Indicates if the operator is binary, i.e. supports one comparison operand.

Specified by:

isBinary in class Operator

Returns:

true if the operator is binary, else false.

isTernary

public boolean isTernary()

Description copied from class: Operator

Indicates if the operator is ternary, i.e. supports two comparison operands.

Specified by:

isTernary in class Operator

Returns:

true if the operator is ternary, else false.