Package org.drools.core.base.evaluators

Class Operator

java.lang.Object

org.drools.core.base.evaluators.Operator

All Implemented Interfaces:

Externalizable, Serializable, org.kie.api.runtime.rule.Operator

public class Operator
extends Object
implements Externalizable, org.kie.api.runtime.rule.Operator

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static Operator	CONTAINS
static Operator	EQUAL
static Operator	EXCLUDES
static Operator	GREATER
static Operator	GREATER_OR_EQUAL
static Operator	LESS
static Operator	LESS_OR_EQUAL
static Operator	MATCHES
static Operator	MEMBEROF
static Operator	NOT_CONTAINS
static Operator	NOT_EQUAL
static Operator	NOT_EXCLUDES
static Operator	NOT_MATCHES
static Operator	NOT_MEMBEROF
static Operator	NOT_SOUNDSLIKE
static Operator	SOUNDSLIKE

Constructor Summary

Constructors

Constructor	Description
Operator()

Method Summary

Modifier and Type	Method	Description
static Operator	addOperatorToRegistry(String operatorId, boolean isNegated)	Creates a new Operator instance for the given parameters, adds it to the registry and return it
static Operator	determineOperator(String operatorId, boolean isNegated)	Returns the operator instance for the given parameters
boolean	equals(Object obj)
static Collection<Operator>	getAllOperators()
String	getOperatorString()
int	hashCode()
boolean	isNegated()
void	readExternal(ObjectInput in)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Field Detail

EQUAL

public static final Operator EQUAL

NOT_EQUAL

public static final Operator NOT_EQUAL

LESS

public static final Operator LESS

LESS_OR_EQUAL

public static final Operator LESS_OR_EQUAL

GREATER

public static final Operator GREATER

GREATER_OR_EQUAL

public static final Operator GREATER_OR_EQUAL

CONTAINS

public static final Operator CONTAINS

NOT_CONTAINS

public static final Operator NOT_CONTAINS

EXCLUDES

public static final Operator EXCLUDES

NOT_EXCLUDES

public static final Operator NOT_EXCLUDES

MEMBEROF

public static final Operator MEMBEROF

NOT_MEMBEROF

public static final Operator NOT_MEMBEROF

MATCHES

public static final Operator MATCHES

NOT_MATCHES

public static final Operator NOT_MATCHES

SOUNDSLIKE

public static final Operator SOUNDSLIKE

NOT_SOUNDSLIKE

public static final Operator NOT_SOUNDSLIKE

Constructor Detail

Operator

public Operator()

Method Detail

addOperatorToRegistry

public static Operator addOperatorToRegistry(String operatorId,
                                             boolean isNegated)

Creates a new Operator instance for the given parameters, adds it to the registry and return it

Parameters:

operatorId - the identification symbol of the operator

isNegated - true if it is negated

Returns:

the newly created operator

getAllOperators

public static Collection<Operator> getAllOperators()

determineOperator

public static Operator determineOperator(String operatorId,
                                         boolean isNegated)

Returns the operator instance for the given parameters

Parameters:

operatorId - the identification symbol of the operator

isNegated - true if it is negated

Returns:

the operator in case it exists

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

getOperatorString

public String getOperatorString()

Specified by:

getOperatorString in interface org.kie.api.runtime.rule.Operator

isNegated

public boolean isNegated()

Specified by:

isNegated in interface org.kie.api.runtime.rule.Operator

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object