| /** |
| * 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.api.records.impl.pb; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.records.*; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ReservationAllocationStateProtoOrBuilder; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ReservationIdProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ReservationDefinitionProto; |
| import org.apache.hadoop.yarn.proto.YarnProtos.ResourceAllocationRequestProto; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * {@code ReservationAllocationStatePBImpl} implements the {@link |
| * ReservationAllocationState} that represents the reservation that is |
| * made by a user. |
| * |
| * <p> |
| * It includes: |
| * <ul> |
| * <li>Duration of the reservation.</li> |
| * <li>Acceptance time of the duration.</li> |
| * <li> |
| * List of {@link ResourceAllocationRequest}, which includes the time |
| * interval, and capability of the allocation. |
| * {@code ResourceAllocationRequest} represents an allocation |
| * made for a reservation for the current state of the plan. This can be |
| * changed for reasons such as re-planning, but will always be subject to |
| * the constraints of the user contract as described by |
| * {@link ReservationDefinition} |
| * </li> |
| * <li>{@link ReservationId} of the reservation.</li> |
| * <li>{@link ReservationDefinition} used to make the reservation.</li> |
| * </ul> |
| * |
| * @see ResourceAllocationRequest |
| * @see ReservationId |
| * @see ReservationDefinition |
| */ |
| @Private |
| @Unstable |
| public class ReservationAllocationStatePBImpl extends |
| ReservationAllocationState { |
| private ReservationAllocationStateProto proto = |
| ReservationAllocationStateProto.getDefaultInstance();; |
| private ReservationAllocationStateProto.Builder builder = null; |
| private boolean viaProto = false; |
| |
| private List<ResourceAllocationRequest> resourceAllocations = null; |
| private ReservationId reservationId = null; |
| private ReservationDefinition reservationDefinition = null; |
| |
| public ReservationAllocationStatePBImpl() { |
| builder = ReservationAllocationStateProto.newBuilder(); |
| } |
| |
| public ReservationAllocationStatePBImpl( |
| ReservationAllocationStateProto proto) { |
| this.proto = proto; |
| viaProto = true; |
| } |
| |
| public ReservationAllocationStateProto getProto() { |
| mergeLocalToProto(); |
| proto = viaProto ? proto : builder.build(); |
| viaProto = true; |
| return proto; |
| } |
| |
| private void maybeInitBuilder() { |
| if (viaProto || builder == null) { |
| builder = ReservationAllocationStateProto.newBuilder(proto); |
| } |
| viaProto = false; |
| } |
| |
| private void mergeLocalToBuilder() { |
| if (this.resourceAllocations != null) { |
| int size = resourceAllocations.size(); |
| builder.clearAllocationRequests(); |
| for (int i = 0; i < size; i++) { |
| builder.addAllocationRequests(i, convertToProtoFormat( |
| resourceAllocations.get(i) |
| )); |
| } |
| } |
| |
| if (this.reservationId != null) { |
| builder.setReservationId(convertToProtoFormat(this.reservationId)); |
| } |
| |
| if (this.reservationDefinition != null) { |
| builder.setReservationDefinition(convertToProtoFormat(this |
| .reservationDefinition)); |
| } |
| } |
| |
| private void mergeLocalToProto() { |
| if (viaProto) { |
| maybeInitBuilder(); |
| } |
| mergeLocalToBuilder(); |
| proto = builder.build(); |
| viaProto = true; |
| } |
| |
| @Override |
| public long getAcceptanceTime() { |
| ReservationAllocationStateProtoOrBuilder p = viaProto ? proto : builder; |
| if (!p.hasAcceptanceTime()) { |
| return 0; |
| } |
| return (p.getAcceptanceTime()); |
| } |
| |
| @Override |
| public void setAcceptanceTime(long acceptanceTime) { |
| maybeInitBuilder(); |
| if (acceptanceTime <= 0) { |
| builder.clearAcceptanceTime(); |
| return; |
| } |
| builder.setAcceptanceTime(acceptanceTime); |
| } |
| |
| @Override |
| public String getUser() { |
| ReservationAllocationStateProtoOrBuilder p = viaProto ? proto : builder; |
| if (!p.hasUser()) { |
| return null; |
| } |
| return p.getUser(); |
| } |
| |
| @Override |
| public void setUser(String user) { |
| maybeInitBuilder(); |
| if (user == null) { |
| builder.clearUser(); |
| return; |
| } |
| builder.setUser(user); |
| } |
| |
| @Override |
| public List<ResourceAllocationRequest> |
| getResourceAllocationRequests() { |
| initResourceAllocations(); |
| return this.resourceAllocations; |
| } |
| |
| @Override |
| public void setResourceAllocationRequests( |
| List<ResourceAllocationRequest> newResourceAllocations) { |
| maybeInitBuilder(); |
| if (newResourceAllocations == null) { |
| builder.clearAllocationRequests(); |
| } |
| this.resourceAllocations = newResourceAllocations; |
| } |
| |
| @Override |
| public ReservationId getReservationId() { |
| ReservationAllocationStateProtoOrBuilder p = viaProto ? proto : builder; |
| if (this.reservationId != null) { |
| return this.reservationId; |
| } |
| this.reservationId = convertFromProtoFormat(p.getReservationId()); |
| return this.reservationId; |
| } |
| |
| @Override |
| public void setReservationId(ReservationId newReservationId) { |
| maybeInitBuilder(); |
| if (newReservationId == null) { |
| builder.clearReservationId(); |
| } |
| reservationId = newReservationId; |
| } |
| |
| @Override |
| public ReservationDefinition getReservationDefinition() { |
| ReservationAllocationStateProtoOrBuilder p = viaProto ? proto : builder; |
| if (this.reservationDefinition != null) { |
| return this.reservationDefinition; |
| } |
| this.reservationDefinition = convertFromProtoFormat( |
| p.getReservationDefinition()); |
| return this.reservationDefinition; |
| } |
| |
| @Override |
| public void setReservationDefinition(ReservationDefinition |
| newReservationDefinition) { |
| maybeInitBuilder(); |
| if (newReservationDefinition == null) { |
| builder.clearReservationDefinition(); |
| } |
| reservationDefinition = newReservationDefinition; |
| } |
| |
| private ResourceAllocationRequestPBImpl convertFromProtoFormat( |
| ResourceAllocationRequestProto p) { |
| return new ResourceAllocationRequestPBImpl(p); |
| } |
| |
| private ReservationIdPBImpl convertFromProtoFormat(ReservationIdProto p) { |
| return new ReservationIdPBImpl(p); |
| } |
| |
| private ReservationDefinitionPBImpl convertFromProtoFormat( |
| ReservationDefinitionProto p) { |
| return new ReservationDefinitionPBImpl(p); |
| } |
| |
| private ResourceAllocationRequestProto convertToProtoFormat( |
| ResourceAllocationRequest p) { |
| return ((ResourceAllocationRequestPBImpl)p).getProto(); |
| } |
| |
| private ReservationIdProto convertToProtoFormat(ReservationId p) { |
| return ((ReservationIdPBImpl)p).getProto(); |
| } |
| |
| private ReservationDefinitionProto convertToProtoFormat( |
| ReservationDefinition p) { |
| return ((ReservationDefinitionPBImpl)p).getProto(); |
| } |
| |
| private void initResourceAllocations() { |
| if (this.resourceAllocations != null) { |
| return; |
| } |
| ReservationAllocationStateProtoOrBuilder p = viaProto ? proto : builder; |
| List<ResourceAllocationRequestProto> resourceAllocationProtos = |
| p.getAllocationRequestsList(); |
| resourceAllocations = new ArrayList<>(); |
| |
| for (ResourceAllocationRequestProto r : resourceAllocationProtos) { |
| resourceAllocations.add(convertFromProtoFormat(r)); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "{Acceptance Time: " |
| + getAcceptanceTime() + ", User: " + getUser() |
| + ", Resource Allocations: " + getResourceAllocationRequests() |
| + ", Reservation Id: " + getReservationId() |
| + ", Reservation Definition: " + getReservationDefinition() + "}"; |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (other == null) { |
| return false; |
| } |
| if (other.getClass().isAssignableFrom(this.getClass())) { |
| return this.getProto().equals(this.getClass().cast(other).getProto()); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return getProto().hashCode(); |
| } |
| } |