org.jclouds.gogrid.domain.JobProperties.java Source code

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Here is the source code for org.jclouds.gogrid.domain.JobProperties.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.gogrid.domain;

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

import java.beans.ConstructorProperties;
import java.util.Date;

import org.jclouds.javax.annotation.Nullable;

import com.google.common.base.Objects;
import com.google.common.base.Objects.ToStringHelper;
import com.google.common.primitives.Longs;

/**
 * State of a job.
 * 
 * @see <a href="http://wiki.gogrid.com/wiki/index.php/API:Job_State_(Object)"/>
 * @author Oleksiy Yarmula
*/
public class JobProperties implements Comparable<JobProperties> {

    public static Builder<?> builder() {
        return new ConcreteBuilder();
    }

    public Builder<?> toBuilder() {
        return new ConcreteBuilder().fromJobProperties(this);
    }

    public abstract static class Builder<T extends Builder<T>> {
        protected abstract T self();

        protected long id;
        protected Date updatedOn;
        protected JobState state;
        protected String note;

        /** 
         * @see JobProperties#getId()
         */
        public T id(long id) {
            this.id = id;
            return self();
        }

        /** 
         * @see JobProperties#getUpdatedOn()
         */
        public T updatedOn(Date updatedOn) {
            this.updatedOn = updatedOn;
            return self();
        }

        /** 
         * @see JobProperties#getState()
         */
        public T state(JobState state) {
            this.state = state;
            return self();
        }

        /** 
         * @see JobProperties#getNote()
         */
        public T note(String note) {
            this.note = note;
            return self();
        }

        public JobProperties build() {
            return new JobProperties(id, updatedOn, state, note);
        }

        public T fromJobProperties(JobProperties in) {
            return this.id(in.getId()).updatedOn(in.getUpdatedOn()).state(in.getState()).note(in.getNote());
        }
    }

    private static class ConcreteBuilder extends Builder<ConcreteBuilder> {
        @Override
        protected ConcreteBuilder self() {
            return this;
        }
    }

    private final long id;
    private final Date updatedOn;
    private final JobState state;
    private final String note;

    @ConstructorProperties({ "id", "updatedon", "state", "note" })
    protected JobProperties(long id, Date updatedOn, JobState state, @Nullable String note) {
        this.id = id;
        this.updatedOn = checkNotNull(updatedOn, "updatedOn");
        this.state = checkNotNull(state, "state");
        this.note = note;
    }

    public long getId() {
        return this.id;
    }

    public Date getUpdatedOn() {
        return this.updatedOn;
    }

    public JobState getState() {
        return this.state;
    }

    @Nullable
    public String getNote() {
        return this.note;
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(id, updatedOn, state, note);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        JobProperties that = JobProperties.class.cast(obj);
        return Objects.equal(this.id, that.id) && Objects.equal(this.updatedOn, that.updatedOn)
                && Objects.equal(this.state, that.state) && Objects.equal(this.note, that.note);
    }

    protected ToStringHelper string() {
        return Objects.toStringHelper(this).add("id", id).add("updatedOn", updatedOn).add("state", state)
                .add("note", note);
    }

    @Override
    public String toString() {
        return string().toString();
    }

    @Override
    public int compareTo(JobProperties o) {
        return Longs.compare(id, o.getId());
    }
}