package org.apache.jackrabbit.oak.util;

/**
 * Utility class containing type safe counterparts for some of the predicates of
 * commons-collections.
 */
public class Predicates {
    private static final Predicate<?> NOT_NULL = new Predicate<Object>() {
        @Override
        public boolean evaluate(Object arg) {
            return arg != null;
        }
    };

    private Predicates() {
    }

    @SuppressWarnings("unchecked")
    public static <T> Predicate<T> nonNull() {
        return (Predicate<T>) NOT_NULL;
    }
}

/*
 * 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.jackrabbit.oak.util;

/**
 * Utility class containing type safe counterparts for some of the predicates of
 * commons-collections.
 */
public class Predicates {
    private static final Predicate<?> NOT_NULL = new Predicate<Object>() {
        @Override
        public boolean evaluate(Object arg) {
            return arg != null;
        }
    };

    private Predicates() {
    }

    @SuppressWarnings("unchecked")
    public static <T> Predicate<T> nonNull() {
        return (Predicate<T>) NOT_NULL;
    }
}

Refactor ModifiedNodeState and related classes to use type safe iterator utilities missing license header (again, sorry)