Java tutorial
/* * Copyright (C) 2016 QAware GmbH * * 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.qaware.chronix.server.functions.plugin; import com.google.inject.Inject; import de.qaware.chronix.server.functions.ChronixFunction; import org.apache.commons.lang3.builder.ToStringBuilder; import java.util.HashMap; import java.util.HashSet; import java.util.Map; import java.util.Set; /** * The plugged in functions * * @author f.lautenschlager */ public final class ChronixFunctions { private Map<String, Set<ChronixFunction>> typePluginFunctions = new HashMap<>(); /** * @param chronixPlugins the plugged-in functions */ @Inject ChronixFunctions(Set<ChronixFunction> chronixPlugins) { for (ChronixFunction pluginFunction : chronixPlugins) { if (!typePluginFunctions.containsKey(pluginFunction.getTimeSeriesType())) { typePluginFunctions.put(pluginFunction.getTimeSeriesType(), new HashSet<>()); } typePluginFunctions.get(pluginFunction.getTimeSeriesType()).add(pluginFunction); } } /** * @param queryName the query name of the function * @return the function for the query name, otherwise null */ public ChronixFunction getFunctionForQueryName(String timeSeriesType, String queryName) { if (typePluginFunctions.containsKey(timeSeriesType)) { for (ChronixFunction function : typePluginFunctions.get(timeSeriesType)) { if (function.getQueryName().equals(queryName)) { return function; } } } return null; } @Override public String toString() { return new ToStringBuilder(this).append("chronixPlugins", typePluginFunctions).toString(); } }