/**
    * Copyright 2004-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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.kuali.common.aws.ec2.model;
  
  import static com.google.common.base.Optional.absent;
  import static org.kuali.common.util.base.Precondition.checkMin;
  
  import org.kuali.common.core.build.ValidatingBuilder;
  import org.kuali.common.core.validate.annotation.IdiotProofImmutable;
  
  import com.fasterxml.jackson.annotation.JsonSetter;
  import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
  import com.google.common.base.Optional;
  
  @IdiotProofImmutable
  @JsonDeserialize(builder = RootVolume.Builder.class)
  public final class RootVolume {
  
  	private final Optional<Integer> sizeInGigabytes;
  	private final Optional<Boolean> deleteOnTermination;
  
  	private RootVolume(Builder builder) {
  		this.sizeInGigabytes = builder.sizeInGigabytes;
  		this.deleteOnTermination = builder.deleteOnTermination;
  	}
  
  	public static RootVolume create(int sizeInGigabytes, boolean deleteOnTermination) {
  		return builder().withSizeInGigabytes(sizeInGigabytes).withDeleteOnTermination(deleteOnTermination).build();
  	}
  
  	public static Builder builder() {
  		return new Builder();
  	}
  
  	public static class Builder extends ValidatingBuilder<RootVolume> {
  
  		private Optional<Integer> sizeInGigabytes = absent();
  		private Optional<Boolean> deleteOnTermination = absent();
  
  		@JsonSetter
  		public Builder withSizeInGigabytes(Optional<Integer> sizeInGigabytes) {
  			this.sizeInGigabytes = sizeInGigabytes;
  			return this;
  		}
  
  		@JsonSetter
  		public Builder withDeleteOnTermination(Optional<Boolean> deleteOnTermination) {
  			this.deleteOnTermination = deleteOnTermination;
  			return this;
  		}
  
  		public Builder withSizeInGigabytes(int sizeInGigabytes) {
  			return withSizeInGigabytes(Optional.of(sizeInGigabytes));
  		}
  
  		public Builder withDeleteOnTermination(boolean deleteOnTermination) {
  			return withDeleteOnTermination(Optional.of(deleteOnTermination));
  		}
  
  		@Override
  		public RootVolume build() {
  			return validateInstance(validate(new RootVolume(this)));
  		}
  
  		private static RootVolume validateInstance(RootVolume instance) {
  			checkMin(instance.getSizeInGigabytes(), 1, "sizeInGigabytes");
  			return instance;
  		}
  	}
  
  	public Optional<Integer> getSizeInGigabytes() {
  		return sizeInGigabytes;
  	}
  
  	public Optional<Boolean> getDeleteOnTermination() {
  		return deleteOnTermination;
  	}
  
  }