Java tutorial
/* * Copyright (C) 2012 Facebook, Inc. * * 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.facebook.swift.parser.model; import com.google.common.base.Objects; import com.google.common.collect.ImmutableMap; import java.util.Map; import static com.google.common.base.Preconditions.checkNotNull; public class ConstMap extends ConstValue { private final Map<ConstValue, ConstValue> value; public ConstMap(Map<ConstValue, ConstValue> value) { this.value = ImmutableMap.copyOf(checkNotNull(value, "value")); } @Override public Map<ConstValue, ConstValue> value() { return value; } @Override public String toString() { return Objects.toStringHelper(this).add("value", value).toString(); } }