/*
* Copyright (C) 2008 The Guava Authors
*
* Licensed 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.google.common.collect;
import com.google.common.annotations.
GwtCompatible;
/**
* Implementation of {@link ImmutableListMultimap} with no entries.
*
* @author Jared Levy
*/
@
GwtCompatible(serializable = true)
class
EmptyImmutableListMultimap extends
ImmutableListMultimap<
Object,
Object> {
static final
EmptyImmutableListMultimap INSTANCE
= new
EmptyImmutableListMultimap();
private
EmptyImmutableListMultimap() {
super(
ImmutableMap.<
Object,
ImmutableList<
Object>>
of(), 0);
}
private
Object readResolve() {
return
INSTANCE; // preserve singleton property
}
private static final long
serialVersionUID = 0;
}