| /** |
| * 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.timelineservice.storage.application; |
| |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.common.Column; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.common.ColumnFamily; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.common.GenericConverter; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.common.LongConverter; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.common.Separator; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.common.ValueConverter; |
| import org.apache.hadoop.yarn.server.timelineservice.storage.flow.Attribute; |
| |
| /** |
| * Identifies fully qualified columns for the {@link ApplicationTable}. |
| */ |
| public enum ApplicationColumn implements Column<ApplicationTable> { |
| |
| /** |
| * App id. |
| */ |
| ID(ApplicationColumnFamily.INFO, "id"), |
| |
| /** |
| * When the application was created. |
| */ |
| CREATED_TIME(ApplicationColumnFamily.INFO, "created_time", |
| new LongConverter()), |
| |
| /** |
| * The version of the flow that this app belongs to. |
| */ |
| FLOW_VERSION(ApplicationColumnFamily.INFO, "flow_version"); |
| |
| private final ColumnFamily<ApplicationTable> columnFamily; |
| private final String columnQualifier; |
| private final byte[] columnQualifierBytes; |
| private final ValueConverter valueConverter; |
| |
| private ApplicationColumn(ColumnFamily<ApplicationTable> columnFamily, |
| String columnQualifier) { |
| this(columnFamily, columnQualifier, GenericConverter.getInstance()); |
| } |
| |
| private ApplicationColumn(ColumnFamily<ApplicationTable> columnFamily, |
| String columnQualifier, ValueConverter converter) { |
| this.columnFamily = columnFamily; |
| this.columnQualifier = columnQualifier; |
| // Future-proof by ensuring the right column prefix hygiene. |
| this.columnQualifierBytes = |
| Bytes.toBytes(Separator.SPACE.encode(columnQualifier)); |
| this.valueConverter = converter; |
| } |
| |
| /** |
| * @return the column name value |
| */ |
| private String getColumnQualifier() { |
| return columnQualifier; |
| } |
| |
| @Override |
| public byte[] getColumnQualifierBytes() { |
| return columnQualifierBytes.clone(); |
| } |
| |
| @Override |
| public byte[] getColumnFamilyBytes() { |
| return columnFamily.getBytes(); |
| } |
| |
| @Override |
| public ValueConverter getValueConverter() { |
| return valueConverter; |
| } |
| |
| @Override |
| public Attribute[] getCombinedAttrsWithAggr(Attribute... attributes) { |
| return attributes; |
| } |
| |
| @Override |
| public boolean supplementCellTimestamp() { |
| return false; |
| } |
| } |