org.eclipse.persistence.jpa.jpql.util.filter
Class AndFilter<T>

java.lang.Object
  org.eclipse.persistence.jpa.jpql.util.filter.CompoundFilter<T>
      org.eclipse.persistence.jpa.jpql.util.filter.AndFilter<T>

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, Filter<T>

public class AndFilter<T>
extends CompoundFilter<T>

This filter will "accept" any object that is accept by both of the specified wrapped filters. The first filter will always be evaluated, while the second will only be evaluated if necessary.

Version:

2.4

See Also:

Serialized Form

Since:

2.3

Field Summary

Fields inherited from class org.eclipse.persistence.jpa.jpql.util.filter.CompoundFilter

filter1, filter2

Constructor Summary

AndFilter(Filter<T> filter1, Filter<T> filter2)
Creates a new AndFilter that will "accept" any object that is accept by both of the specified wrapped filters.

Method Summary

boolean	accept(T value) Determines whether the specified object is "accepted" by the filter.
static <T> Filter<T>	and(Filter<T>... filters) Creates a new ANDFilter that will "accept" any object that is accept by all of the specified filters.
AndFilter<T>	clone()
protected java.lang.String	operatorString() Returns a string representation of the filter's operator.

Methods inherited from class org.eclipse.persistence.jpa.jpql.util.filter.CompoundFilter

equals, getFilter1, getFilter2, hashCode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AndFilter

public AndFilter(Filter<T> filter1,
                 Filter<T> filter2)

Creates a new AndFilter that will "accept" any object that is accept by both of the specified wrapped filters.

Parameters:

filter1 - The first Filter that might "accept" any object

filter2 - The second Filter that might "accept" any object

Method Detail

and

public static <T> Filter<T> and(Filter<T>... filters)

Creates a new ANDFilter that will "accept" any object that is accept by all of the specified filters.

Parameters:

filters - The list of filters encapsulated by a chain of AndFilters

Returns:

A new chain of AndFilters that will "accept" any object when all filters accepts the object

accept

public boolean accept(T value)

Determines whether the specified object is "accepted" by the filter. The semantics of "accept" is determined by the contract between the client and the server.

Parameters:

value - The value to filter

Returns:

true if the given value is "accepted" by this filter; false if it was "rejected"

clone

public AndFilter<T> clone()

Overrides:

clone in class CompoundFilter<T>

operatorString

protected java.lang.String operatorString()

Returns a string representation of the filter's operator.

Specified by:

operatorString in class CompoundFilter<T>

Returns:

The string value of the operator