Package org.drools.core.util.index

Enum IndexUtil.ConstraintType

java.lang.Object

java.lang.Enum<IndexUtil.ConstraintType>

org.drools.core.util.index.IndexUtil.ConstraintType

All Implemented Interfaces:

Serializable, Comparable<IndexUtil.ConstraintType>

Enclosing class:

IndexUtil

public static enum IndexUtil.ConstraintType
extends Enum<IndexUtil.ConstraintType>

Enum Constant Summary

Enum Constants

Enum Constant	Description
EQUAL
GREATER_OR_EQUAL
GREATER_THAN
LESS_OR_EQUAL
LESS_THAN
NOT_EQUAL
RANGE
UNKNOWN

Method Summary

Modifier and Type	Method	Description
boolean	canInverse()
static IndexUtil.ConstraintType	decode(String operator)
static IndexUtil.ConstraintType	decode(String operator, boolean negated)
String	getOperator()	May be null.
static IndexUtil.ConstraintType	getType(Constraint constraint)
IndexUtil.ConstraintType	inverse()
boolean	isAscending()
boolean	isComparison()
boolean	isDescending()
boolean	isEquality()
boolean	isIndexable()
boolean	isIndexableForNode(short nodeType, IndexableConstraint constraint, RuleBaseConfiguration config)
IndexUtil.ConstraintType	negate()
static IndexUtil.ConstraintType	valueOf(String name)	Returns the enum constant of this type with the specified name.
static IndexUtil.ConstraintType[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

EQUAL

public static final IndexUtil.ConstraintType EQUAL

NOT_EQUAL

public static final IndexUtil.ConstraintType NOT_EQUAL

GREATER_THAN

public static final IndexUtil.ConstraintType GREATER_THAN

GREATER_OR_EQUAL

public static final IndexUtil.ConstraintType GREATER_OR_EQUAL

LESS_THAN

public static final IndexUtil.ConstraintType LESS_THAN

LESS_OR_EQUAL

public static final IndexUtil.ConstraintType LESS_OR_EQUAL

RANGE

public static final IndexUtil.ConstraintType RANGE

UNKNOWN

public static final IndexUtil.ConstraintType UNKNOWN

Method Detail

values

public static IndexUtil.ConstraintType[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (IndexUtil.ConstraintType c : IndexUtil.ConstraintType.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static IndexUtil.ConstraintType valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

isComparison

public boolean isComparison()

isEquality

public boolean isEquality()

isAscending

public boolean isAscending()

isDescending

public boolean isDescending()

isIndexable

public boolean isIndexable()

getOperator

public String getOperator()

May be null.

Returns:

the operator string representation if does exists, null otherwise.

isIndexableForNode

public boolean isIndexableForNode(short nodeType,
                                  IndexableConstraint constraint,
                                  RuleBaseConfiguration config)

negate

public IndexUtil.ConstraintType negate()

canInverse

public boolean canInverse()

inverse

public IndexUtil.ConstraintType inverse()

decode

public static IndexUtil.ConstraintType decode(String operator)

decode

public static IndexUtil.ConstraintType decode(String operator,
                                              boolean negated)

getType

public static IndexUtil.ConstraintType getType(Constraint constraint)