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java.lang.Object org.eclipse.persistence.jpa.jpql.util.filter.NullFilter
public final class NullFilter
A null
implementation of a Filter
. The singleton
instance can be typed cast properly when using generics.
Method Summary | ||
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boolean |
accept(java.lang.Object value)
Determines whether the specified object is "accepted" by the filter. |
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static
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instance()
Returns the singleton instance of this NullFilter . |
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java.lang.String |
toString()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Method Detail |
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public static <T> Filter<T> instance()
NullFilter
.
public boolean accept(java.lang.Object value)
accept
in interface Filter<java.lang.Object>
value
- The value to filter
true
if the given value is "accepted" by this filter; false
if it was "rejected"public java.lang.String toString()
toString
in class java.lang.Object
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