| /* |
| * |
| * 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.hbase.rest.model; |
| |
| import java.io.Serializable; |
| |
| import javax.xml.bind.annotation.XmlAttribute; |
| import javax.xml.bind.annotation.XmlRootElement; |
| |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.HRegionInfo; |
| import org.apache.hadoop.hbase.util.Bytes; |
| |
| /** |
| * Representation of a region of a table and its current location on the |
| * storage cluster. |
| * |
| * <pre> |
| * <complexType name="TableRegion"> |
| * <attribute name="name" type="string"></attribute> |
| * <attribute name="id" type="int"></attribute> |
| * <attribute name="startKey" type="base64Binary"></attribute> |
| * <attribute name="endKey" type="base64Binary"></attribute> |
| * <attribute name="location" type="string"></attribute> |
| * </complexType> |
| * </pre> |
| */ |
| @XmlRootElement(name="Region") |
| @InterfaceAudience.Private |
| public class TableRegionModel implements Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private String table; |
| private long id; |
| private byte[] startKey; |
| private byte[] endKey; |
| private String location; |
| |
| /** |
| * Constructor |
| */ |
| public TableRegionModel() {} |
| |
| /** |
| * Constructor |
| * @param table the table name |
| * @param id the encoded id of the region |
| * @param startKey the start key of the region |
| * @param endKey the end key of the region |
| */ |
| public TableRegionModel(String table, long id, byte[] startKey, |
| byte[] endKey) { |
| this(table, id, startKey, endKey, null); |
| } |
| |
| /** |
| * Constructor |
| * @param table the table name |
| * @param id the encoded id of the region |
| * @param startKey the start key of the region |
| * @param endKey the end key of the region |
| * @param location the name and port of the region server hosting the region |
| */ |
| public TableRegionModel(String table, long id, byte[] startKey, |
| byte[] endKey, String location) { |
| this.table = table; |
| this.id = id; |
| this.startKey = startKey; |
| this.endKey = endKey; |
| this.location = location; |
| } |
| |
| /** |
| * @return the region name |
| */ |
| @XmlAttribute |
| public String getName() { |
| byte [] tableNameAsBytes = Bytes.toBytes(this.table); |
| TableName tableName = TableName.valueOf(tableNameAsBytes); |
| byte [] nameAsBytes = HRegionInfo.createRegionName( |
| tableName, this.startKey, this.id, !tableName.isSystemTable()); |
| return Bytes.toString(nameAsBytes); |
| } |
| |
| /** |
| * @return the encoded region id |
| */ |
| @XmlAttribute |
| public long getId() { |
| return id; |
| } |
| |
| /** |
| * @return the start key |
| */ |
| @XmlAttribute |
| public byte[] getStartKey() { |
| return startKey; |
| } |
| |
| /** |
| * @return the end key |
| */ |
| @XmlAttribute |
| public byte[] getEndKey() { |
| return endKey; |
| } |
| |
| /** |
| * @return the name and port of the region server hosting the region |
| */ |
| @XmlAttribute |
| public String getLocation() { |
| return location; |
| } |
| |
| /** |
| * @param name region printable name |
| */ |
| public void setName(String name) { |
| String split[] = name.split(","); |
| this.table = split[0]; |
| this.startKey = Bytes.toBytes(split[1]); |
| String tail = split[2]; |
| split = tail.split("\\."); |
| id = Long.parseLong(split[0]); |
| } |
| |
| /** |
| * @param id the region's encoded id |
| */ |
| public void setId(long id) { |
| this.id = id; |
| } |
| |
| /** |
| * @param startKey the start key |
| */ |
| public void setStartKey(byte[] startKey) { |
| this.startKey = startKey; |
| } |
| |
| /** |
| * @param endKey the end key |
| */ |
| public void setEndKey(byte[] endKey) { |
| this.endKey = endKey; |
| } |
| |
| /** |
| * @param location the name and port of the region server hosting the region |
| */ |
| public void setLocation(String location) { |
| this.location = location; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#toString() |
| */ |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(getName()); |
| sb.append(" [\n id="); |
| sb.append(id); |
| sb.append("\n startKey='"); |
| sb.append(Bytes.toString(startKey)); |
| sb.append("'\n endKey='"); |
| sb.append(Bytes.toString(endKey)); |
| if (location != null) { |
| sb.append("'\n location='"); |
| sb.append(location); |
| } |
| sb.append("'\n]\n"); |
| return sb.toString(); |
| } |
| } |