项目:benayn
文件:Mapper.java
/**
* Add a constraint that verifies that neither the key nor the value is
* null. If either is null,a {@link NullPointerException} is thrown.
*
* @return
*/
@SuppressWarnings("unchecked")
public Mapper<K,V> keyAndValueNotNull() {
return addConstraint((MapConstraint<K,V>) MapConstraints.notNull());
}
项目:benayn
文件:Mapper.java
/**
* Add a constrained view of the delegate map,using the specified constraint
*
* @param constraint
* @return
*/
private Mapper<K,V> addConstraint(MapConstraint<K,V> constraint) {
this.delegate = Optional.of(MapConstraints.constrainedMap(delegate.get(),constraint));
return this;
}
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