/*
 * 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.flink.runtime.operators.testutils;

import org.apache.flink.types.Record;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;

public class NirvanaOutputList implements List<Record> {

    @Override
    public boolean add(Record arg0) {
        return true;
    }

    @Override
    public void add(int arg0, Record arg1) {}

    @Override
    public boolean addAll(Collection<? extends Record> arg0) {
        return true;
    }

    @Override
    public boolean addAll(int arg0, Collection<? extends Record> arg1) {
        return true;
    }

    @Override
    public void clear() {}

    @Override
    public boolean contains(Object arg0) {
        return false;
    }

    @Override
    public boolean containsAll(Collection<?> arg0) {
        return false;
    }

    @Override
    public Record get(int arg0) {
        return null;
    }

    @Override
    public int indexOf(Object arg0) {
        return -1;
    }

    @Override
    public boolean isEmpty() {
        return true;
    }

    @Override
    public Iterator<Record> iterator() {

        return new Iterator<Record>() {

            @Override
            public boolean hasNext() {
                return false;
            }

            @Override
            public Record next() {
                return null;
            }

            @Override
            public void remove() {
                throw new UnsupportedOperationException();
            }
        };
    }

    @Override
    public int lastIndexOf(Object arg0) {
        return -1;
    }

    @Override
    public ListIterator<Record> listIterator() {
        return null;
    }

    @Override
    public ListIterator<Record> listIterator(int arg0) {
        return null;
    }

    @Override
    public boolean remove(Object arg0) {
        return true;
    }

    @Override
    public Record remove(int arg0) {
        return null;
    }

    @Override
    public boolean removeAll(Collection<?> arg0) {
        return true;
    }

    @Override
    public boolean retainAll(Collection<?> arg0) {
        return true;
    }

    @Override
    public Record set(int arg0, Record arg1) {
        return null;
    }

    @Override
    public int size() {
        return 0;
    }

    @Override
    public List<Record> subList(int arg0, int arg1) {
        return new NirvanaOutputList();
    }

    @Override
    public Object[] toArray() {
        return new Object[0];
    }

    @Override
    public <T> T[] toArray(T[] arg0) {
        return null;
    }
}
