Java tutorial
/** * Licensed to jclouds, Inc. (jclouds) under one or more * contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. jclouds licenses this file * to you 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 org.jclouds.tmrk.enterprisecloud.domain.layout; import com.google.common.collect.Sets; import javax.xml.bind.annotation.XmlElement; import java.util.Collections; import java.util.Set; import static com.google.common.base.Preconditions.checkNotNull; /** * Wraps individual LayoutGroup elements. * <xs:complexType name="GroupsType"> * @author Jason King */ public class Groups { @SuppressWarnings("unchecked") public static Builder builder() { return new Builder(); } public Builder toBuilder() { return new Builder().fromGroups(this); } public static class Builder { private Set<LayoutGroup> groups = Sets.newLinkedHashSet(); /** * @see Groups#getGroups */ public Builder groups(Set<LayoutGroup> groups) { this.groups = Sets.newLinkedHashSet(checkNotNull(groups, "groups")); return this; } public Builder addGroup(LayoutGroup group) { groups.add(checkNotNull(group, "group")); return this; } public Groups build() { return new Groups(groups); } public Builder fromGroups(Groups in) { return groups(in.getGroups()); } } private Groups() { //For JAXB and builder use } private Groups(Set<LayoutGroup> entries) { this.groups = Sets.newLinkedHashSet(entries); } @XmlElement(name = "Group", required = false) private Set<LayoutGroup> groups = Sets.newLinkedHashSet(); public Set<LayoutGroup> getGroups() { return Collections.unmodifiableSet(groups); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Groups tasks1 = (Groups) o; if (!groups.equals(tasks1.groups)) return false; return true; } @Override public int hashCode() { return groups.hashCode(); } public String toString() { return "[" + groups.toString() + "]"; } }