org.jclouds.tmrk.enterprisecloud.domain.vm.VirtualMachines.java Source code

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Here is the source code for org.jclouds.tmrk.enterprisecloud.domain.vm.VirtualMachines.java

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/**
 * 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 javax.xml.bind.annotation.XmlRootElement;
import java.util.Collections;
import java.util.Set;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * Wraps individual VirtualMachine elements.
 * Needed because parsing is done with JAXB and it does not handle Generic collections
 * <xs:complexType name="VirtualMachines">
 * @author Jason King
 */
@XmlRootElement(name = "VirtualMachines")
public class VirtualMachines {

    @SuppressWarnings("unchecked")
    public static Builder builder() {
        return new Builder();
    }

    public Builder toBuilder() {
        return new Builder().fromVirtualMachines(this);
    }

    public static class Builder {

        private Set<VirtualMachine> virtualMachines = Sets.newLinkedHashSet();

        /**
         * @see VirtualMachines#getVirtualMachines
         */
        public Builder virtualMachines(Set<VirtualMachine> virtualMachines) {
            this.virtualMachines = Sets.newLinkedHashSet(checkNotNull(virtualMachines, "virtualMachines"));
            return this;
        }

        public Builder addVirtualMachine(VirtualMachine virtualMachine) {
            virtualMachines.add(checkNotNull(virtualMachine, "virtualMachine"));
            return this;
        }

        public VirtualMachines build() {
            return new VirtualMachines(virtualMachines);
        }

        public Builder fromVirtualMachines(VirtualMachines in) {
            return virtualMachines(in.getVirtualMachines());
        }
    }

    private VirtualMachines() {
        //For JAXB and builder use
    }

    private VirtualMachines(Set<VirtualMachine> virtualMachines) {
        this.virtualMachines = Sets.newLinkedHashSet(virtualMachines);
    }

    @XmlElement(name = "VirtualMachine")
    private Set<VirtualMachine> virtualMachines = Sets.newLinkedHashSet();

    public Set<VirtualMachine> getVirtualMachines() {
        return Collections.unmodifiableSet(virtualMachines);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;

        VirtualMachines vms1 = (VirtualMachines) o;

        if (!virtualMachines.equals(vms1.virtualMachines))
            return false;

        return true;
    }

    @Override
    public int hashCode() {
        return virtualMachines.hashCode();
    }

    public String toString() {
        return "[" + virtualMachines.toString() + "]";
    }
}