/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ignite.internal.util.lang.gridfunc;
import org.apache.ignite.internal.util.typedef.internal.S;
import org.apache.ignite.lang.IgnitePredicate;
/**
* Defines a predicate which checks a parameter on <code>null</code>.
*
* @param <E> Type of predicate parameter.
*/
public class IsNotNullPredicate<E> implements IgnitePredicate<E> {
/** */
private static final long serialVersionUID = 0L;
/**
* @param e Parameter for check.
* @return 'true' if parameter NOT equals to <code>null</code>, otherwise 'false'.
*/
@Override public boolean apply(E e) {
return e != null;
}
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(IsNotNullPredicate.class, this);
}
}