Java tutorial
/* * * This file is part of the Hesperides distribution. * * (https://github.com/voyages-sncf-technologies/hesperides) * * Copyright (c) 2016 VSCT. * * * * Hesperides is free software: you can redistribute it and/or modify * * it under the terms of the GNU General Public License as * * published by the Free Software Foundation, version 3. * * * * Hesperides is distributed in the hope that it will be useful, but * * WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * * General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package com.vsct.dt.hesperides.templating.modules.event; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonProperty; import com.google.common.collect.ImmutableSet; import com.vsct.dt.hesperides.templating.modules.Module; import com.vsct.dt.hesperides.templating.modules.template.Template; import com.vsct.dt.hesperides.templating.modules.template.event.TemplateContainerInterface; import java.util.Map; import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.stream.Collectors; /** * Create module when recieve event. * Use to load a module. * * Created by emeric_martineau on 15/01/2016. */ public class ModuleContainer implements TemplateContainerInterface { /** * Current module read. */ @JsonProperty("module") private Module module = null; /** * Current module read. */ @JsonProperty("template") private final Map<String, Template> template = new ConcurrentHashMap<>(); @JsonCreator private ModuleContainer(@JsonProperty("module") final Module module, @JsonProperty("template") final Map<String, Template> template) { this.module = module; if (template != null) { this.template.putAll(template); } } public ModuleContainer() { // nothing } /** * Getter of current module. * * @return module */ @Override public Template getTemplate(final String name) { Template tpl; if (this.module == null) { tpl = null; } else { tpl = this.template.get(name); } return tpl; } /** * Add template into cache. * * @param template template */ @Override public void addTemplate(final Template template) { if (this.module != null) { this.template.put(template.getName(), template); } } /** * Remove template in cache. * * @param name name of template */ @Override public void removeTemplate(final String name) { if (this.module != null) { this.template.remove(name); } } /** * Return list of template. * * @return set of template */ @Override public Set<Template> loadAllTemplate() { Set<Template> tpl; if (this.module == null) { tpl = ImmutableSet.of(); } else { tpl = this.template.entrySet().stream().map(Map.Entry::getValue).collect(Collectors.toSet()); } return tpl; } /** * Add module. * * @param m module */ @Override public void setModule(final Module m) { this.module = m; } /** * Get module. * * @return module */ @Override public Module getModule() { return this.module; } /** * Clear module for reuse object. */ @Override public void clear() { this.module = null; this.template.clear(); } }