BlockDeviceBuilder.java

/*
 * 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.apache.provisionr.api.hardware;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import org.apache.provisionr.api.util.BuilderWithOptions;

public class BlockDeviceBuilder extends BuilderWithOptions<BlockDeviceBuilder> {

    private Integer size;
    private String name;

    @Override
    protected BlockDeviceBuilder getThis() {
        return this;
    }

    public BlockDeviceBuilder size(int size) {
        checkArgument(size > 0, "The block device size must be a positive integer");
        this.size = size;
        return this;
    }

    public BlockDeviceBuilder name(String mapping) {
        this.name = checkNotNull(mapping, "The block device must have a name - the OS path on which it is mapped");
        return this;
    }

    public BlockDevice createBlockDevice() {
        checkNotNull(size, "The size was not specified");
        return new BlockDevice(size, name, buildOptions());
    }
}