com.hazelcast.org.apache.calcite.runtime.AbstractImmutableList Maven / Gradle / Ivy
/*
* 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 com.hazelcast.org.apache.calcite.runtime;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import javax.annotation.Nonnull;
/**
* Base class for lists whose contents are constant after creation.
*
* @param Element type
*/
abstract class AbstractImmutableList implements List {
protected abstract List toList();
@Nonnull public Iterator iterator() {
return toList().iterator();
}
@Nonnull public ListIterator listIterator() {
return toList().listIterator();
}
public boolean isEmpty() {
return false;
}
public boolean add(E t) {
throw new UnsupportedOperationException();
}
public boolean addAll(@Nonnull Collection c) {
throw new UnsupportedOperationException();
}
public boolean addAll(int index, @Nonnull Collection c) {
throw new UnsupportedOperationException();
}
public boolean removeAll(@Nonnull Collection c) {
throw new UnsupportedOperationException();
}
public boolean retainAll(@Nonnull Collection c) {
throw new UnsupportedOperationException();
}
public void clear() {
throw new UnsupportedOperationException();
}
public E set(int index, E element) {
throw new UnsupportedOperationException();
}
public void add(int index, E element) {
throw new UnsupportedOperationException();
}
public E remove(int index) {
throw new UnsupportedOperationException();
}
@Nonnull public ListIterator listIterator(int index) {
return toList().listIterator(index);
}
@Nonnull public List subList(int fromIndex, int toIndex) {
return toList().subList(fromIndex, toIndex);
}
public boolean contains(Object o) {
return indexOf(o) >= 0;
}
public boolean containsAll(@Nonnull Collection c) {
for (Object o : c) {
if (!contains(o)) {
return false;
}
}
return true;
}
public boolean remove(Object o) {
throw new UnsupportedOperationException();
}
}