| /** |
| * 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.hadoop.yarn.server.resourcemanager.volume.csi; |
| |
| import org.apache.hadoop.yarn.server.resourcemanager.volume.csi.lifecycle.Volume; |
| import org.apache.hadoop.yarn.server.resourcemanager.volume.csi.lifecycle.VolumeImpl; |
| import org.apache.hadoop.yarn.server.volume.csi.VolumeCapabilityRange; |
| import org.apache.hadoop.yarn.server.volume.csi.VolumeId; |
| import org.apache.hadoop.yarn.server.volume.csi.VolumeMetaData; |
| import org.apache.hadoop.yarn.server.volume.csi.exception.InvalidVolumeException; |
| |
| import java.util.Optional; |
| import java.util.UUID; |
| |
| /** |
| * Helper class to build a {@link Volume}. |
| */ |
| public final class VolumeBuilder { |
| |
| private String id; |
| private String name; |
| private Long min; |
| private Long max; |
| private String unit; |
| private String driver; |
| private String mount; |
| |
| private VolumeBuilder() { |
| // hide constructor |
| } |
| |
| public static VolumeBuilder newBuilder() { |
| return new VolumeBuilder(); |
| } |
| |
| public VolumeBuilder volumeId(String volumeId) { |
| this.id = volumeId; |
| return this; |
| } |
| |
| public VolumeBuilder volumeName(String volumeName) { |
| this.name = volumeName; |
| return this; |
| } |
| |
| public VolumeBuilder minCapability(long minCapability) { |
| this.min = Long.valueOf(minCapability); |
| return this; |
| } |
| |
| public VolumeBuilder maxCapability(long maxCapability) { |
| this.max = Long.valueOf(maxCapability); |
| return this; |
| } |
| |
| public VolumeBuilder unit(String capUnit) { |
| this.unit = capUnit; |
| return this; |
| } |
| |
| public VolumeBuilder driverName(String driverName) { |
| this.driver = driverName; |
| return this; |
| } |
| |
| public VolumeBuilder mountPoint(String mountPoint) { |
| this.mount = mountPoint; |
| return this; |
| } |
| |
| public Volume build() throws InvalidVolumeException { |
| VolumeId vid = new VolumeId( |
| Optional.ofNullable(id) |
| .orElse(UUID.randomUUID().toString())); |
| |
| VolumeCapabilityRange volumeCap = VolumeCapabilityRange.newBuilder() |
| .minCapacity(Optional.ofNullable(min).orElse(0L)) |
| .maxCapacity(Optional.ofNullable(max).orElse(Long.MAX_VALUE)) |
| .unit(Optional.ofNullable(unit).orElse("Gi")) |
| .build(); |
| |
| VolumeMetaData meta = VolumeMetaData.newBuilder() |
| .capability(volumeCap) |
| .driverName(Optional.ofNullable(driver).orElse("test-driver")) |
| .mountPoint(Optional.ofNullable(mount).orElse("/mnt/data")) |
| .volumeName(name) |
| .volumeId(vid) |
| .build(); |
| return new VolumeImpl(meta); |
| } |
| } |