com.hazelcast.query.impl

Class FalsePredicate<K,V>

java.lang.Object

com.hazelcast.query.impl.FalsePredicate<K,V>

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable, IndexAwarePredicate<K,V>, Predicate<K,V>, Serializable

public class FalsePredicate<K,V>
extends Object
implements IdentifiedDataSerializable, Predicate<K,V>, IndexAwarePredicate<K,V>

A Predicate which always returns false.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static FalsePredicate	INSTANCE An instance of the FalsePredicate.

Constructor Summary

Constructors

Constructor and Description
FalsePredicate()

Method Summary

Modifier and Type	Method and Description
boolean	apply(Map.Entry<K,V> mapEntry)
Set<QueryableEntry<K,V>>	filter(QueryContext queryContext)
int	getFactoryId() Returns DataSerializableFactory factory id for this class.
int	getId() Returns type identifier for this class.
boolean	isIndexed(QueryContext queryContext)
void	readData(ObjectDataInput in) Reads fields from the input stream
String	toString()
void	writeData(ObjectDataOutput out) Writes object fields to output stream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

INSTANCE

public static final FalsePredicate INSTANCE

An instance of the FalsePredicate.

Constructor Detail

FalsePredicate

public FalsePredicate()

Method Detail

apply

public boolean apply(Map.Entry<K,V> mapEntry)

Specified by:

apply in interface Predicate<K,V>

toString

public String toString()

Overrides:

toString in class Object

filter

public Set<QueryableEntry<K,V>> filter(QueryContext queryContext)

Specified by:

filter in interface IndexAwarePredicate<K,V>

isIndexed

public boolean isIndexed(QueryContext queryContext)

Specified by:

isIndexed in interface IndexAwarePredicate<K,V>

writeData

public void writeData(ObjectDataOutput out)
               throws IOException

Description copied from interface: DataSerializable

Writes object fields to output stream

Specified by:

writeData in interface DataSerializable

Parameters:

out - output

Throws:

IOException

readData

public void readData(ObjectDataInput in)
              throws IOException

Description copied from interface: DataSerializable

Reads fields from the input stream

Specified by:

readData in interface DataSerializable

Parameters:

in - input

Throws:

IOException

getFactoryId

public int getFactoryId()

Description copied from interface: IdentifiedDataSerializable

Returns DataSerializableFactory factory id for this class.

Specified by:

getFactoryId in interface IdentifiedDataSerializable

Returns:

factory id

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. Id should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type id