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.vm; 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 VirtualMachineReference elements. * Needed because parsing is done with JAXB and it does not handle Generic collections * <xs:complexType name="VirtualMachineReferencesType"> * @author Jason King */ public class VirtualMachineReferences { @SuppressWarnings("unchecked") public static Builder builder() { return new Builder(); } public Builder toBuilder() { return new Builder().fromVirtualMachineReferencesReferences(this); } public static class Builder { private Set<VirtualMachineReference> virtualMachineReferences = Sets.newLinkedHashSet(); /** * @see org.jclouds.tmrk.enterprisecloud.domain.vm.VirtualMachineReferences#getVirtualMachineReferences */ public Builder virtualMachineReferences(Set<VirtualMachineReference> virtualMachineReferences) { this.virtualMachineReferences = Sets .newLinkedHashSet(checkNotNull(virtualMachineReferences, "virtualMachineReferences")); return this; } public Builder addVirtualMachineReference(VirtualMachineReference virtualMachineReference) { virtualMachineReferences.add(checkNotNull(virtualMachineReference, "virtualMachineReference")); return this; } public VirtualMachineReferences build() { return new VirtualMachineReferences(virtualMachineReferences); } public Builder fromVirtualMachineReferencesReferences(VirtualMachineReferences in) { return virtualMachineReferences(in.getVirtualMachineReferences()); } } private VirtualMachineReferences() { //For JAXB and builder use } private VirtualMachineReferences(Set<VirtualMachineReference> virtualMachineReference) { this.virtualMachineReferences = Sets.newLinkedHashSet(virtualMachineReference); } @XmlElement(name = "VirtualMachine") private Set<VirtualMachineReference> virtualMachineReferences = Sets.newLinkedHashSet(); public Set<VirtualMachineReference> getVirtualMachineReferences() { return Collections.unmodifiableSet(virtualMachineReferences); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; VirtualMachineReferences that = (VirtualMachineReferences) o; if (virtualMachineReferences != null ? !virtualMachineReferences.equals(that.virtualMachineReferences) : that.virtualMachineReferences != null) return false; return true; } @Override public int hashCode() { return virtualMachineReferences != null ? virtualMachineReferences.hashCode() : 0; } public String toString() { return "[" + virtualMachineReferences.toString() + "]"; } }