org.apache.ambari.server.collections.functors

Class OrPredicate

java.lang.Object

org.apache.ambari.server.collections.Predicate

org.apache.ambari.server.collections.functors.OrPredicate

All Implemented Interfaces:

org.apache.commons.collections.functors.PredicateDecorator, org.apache.commons.collections.Predicate

public class OrPredicate
extends Predicate

OrPredicate wraps OrPredicate to provide additional functionality like serializing to and from a Map and JSON formatted data.

See DelegatedMultiplePredicateContainer

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME The name of this Predicate implementation

Constructor Summary

Constructors

Constructor and Description
OrPredicate(org.apache.commons.collections.Predicate predicate1, org.apache.commons.collections.Predicate predicate2) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
boolean	evaluate(Object o)
static OrPredicate	fromMap(Map<String,Object> map) Creates a new OrPredicate using the given Map of data.
org.apache.commons.collections.Predicate[]	getPredicates()
int	hashCode()
Map<String,Object>	toMap() Serialize this Predicate to a Map

Methods inherited from class org.apache.ambari.server.collections.Predicate

getName, toJSON

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

The name of this Predicate implementation

See Also:

Constant Field Values

Constructor Detail

OrPredicate

public OrPredicate(org.apache.commons.collections.Predicate predicate1,
                   org.apache.commons.collections.Predicate predicate2)

Constructor.

Parameters:

predicate1 - the first predicate to process

predicate2 - the second predicate to process (if the first one yields false

Method Detail

fromMap

public static OrPredicate fromMap(Map<String,Object> map)

Creates a new OrPredicate using the given Map of data.

It is expected that the map contains a single Map.Entry where the key name is "or" and the value is a Collection of Maps representing the contained predicates.

Returns:

a new OrPredicate

hashCode

public int hashCode()

equals

public boolean equals(Object obj)

toMap

public Map<String,Object> toMap()

Description copied from class: Predicate

Serialize this Predicate to a Map

Specified by:

toMap in class Predicate

Returns:

a Map

evaluate

public boolean evaluate(Object o)

Specified by:

evaluate in interface org.apache.commons.collections.Predicate

getPredicates

public org.apache.commons.collections.Predicate[] getPredicates()

Specified by:

getPredicates in interface org.apache.commons.collections.functors.PredicateDecorator