Java tutorial
/* * Copyright (c) 2014-2015 University of Ulm * * See the NOTICE file distributed with this work for additional information * regarding copyright ownership. 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 de.uniulm.omi.cloudiator.visor.monitoring; import com.google.common.base.MoreObjects; import com.google.common.collect.ImmutableMap; import java.util.Map; /** * Created by daniel on 21.01.15. */ public class BaseMonitorContext implements MonitorContext { private final Map<String, String> context; BaseMonitorContext(Map<String, String> context) { this.context = ImmutableMap.copyOf(context); } @Override public final String getValue(String context) { return getContext().get(context); } @Override public final boolean hasValue(String context) { return getContext().containsKey(context); } @Override public final String getOrDefault(String context, String defaultValue) { return getContext().getOrDefault(context, defaultValue); } @Override public Map<String, String> getContext() { return context; } @Override public final String toString() { return MoreObjects.toStringHelper(this.getClass()).add("context", getContext()).toString(); } }