| /* |
| * Copyright 2010 The Apache Software Foundation |
| * |
| * 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.IOException; |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.annotation.XmlElement; |
| |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.rest.ProtobufMessageHandler; |
| import org.apache.hadoop.hbase.rest.protobuf.generated.CellMessage.Cell; |
| import org.apache.hadoop.hbase.rest.protobuf.generated.CellSetMessage.CellSet; |
| |
| import com.google.protobuf.ByteString; |
| |
| /** |
| * Representation of a grouping of cells. May contain cells from more than |
| * one row. Encapsulates RowModel and CellModel models. |
| * |
| * <pre> |
| * <complexType name="CellSet"> |
| * <sequence> |
| * <element name="row" type="tns:Row" maxOccurs="unbounded" |
| * minOccurs="1"></element> |
| * </sequence> |
| * </complexType> |
| * |
| * <complexType name="Row"> |
| * <sequence> |
| * <element name="key" type="base64Binary"></element> |
| * <element name="cell" type="tns:Cell" |
| * maxOccurs="unbounded" minOccurs="1"></element> |
| * </sequence> |
| * </complexType> |
| * |
| * <complexType name="Cell"> |
| * <sequence> |
| * <element name="value" maxOccurs="1" minOccurs="1"> |
| * <simpleType> |
| * <restriction base="base64Binary"/> |
| * </simpleType> |
| * </element> |
| * </sequence> |
| * <attribute name="column" type="base64Binary" /> |
| * <attribute name="timestamp" type="int" /> |
| * </complexType> |
| * </pre> |
| */ |
| @XmlRootElement(name="CellSet") |
| public class CellSetModel implements Serializable, ProtobufMessageHandler { |
| |
| private static final long serialVersionUID = 1L; |
| |
| private List<RowModel> rows; |
| |
| /** |
| * Constructor |
| */ |
| public CellSetModel() { |
| this.rows = new ArrayList<RowModel>(); |
| } |
| |
| /** |
| * @param rows the rows |
| */ |
| public CellSetModel(List<RowModel> rows) { |
| super(); |
| this.rows = rows; |
| } |
| |
| /** |
| * Add a row to this cell set |
| * @param row the row |
| */ |
| public void addRow(RowModel row) { |
| rows.add(row); |
| } |
| |
| /** |
| * @return the rows |
| */ |
| @XmlElement(name="Row") |
| public List<RowModel> getRows() { |
| return rows; |
| } |
| |
| @Override |
| public byte[] createProtobufOutput() { |
| CellSet.Builder builder = CellSet.newBuilder(); |
| for (RowModel row: getRows()) { |
| CellSet.Row.Builder rowBuilder = CellSet.Row.newBuilder(); |
| rowBuilder.setKey(ByteString.copyFrom(row.getKey())); |
| for (CellModel cell: row.getCells()) { |
| Cell.Builder cellBuilder = Cell.newBuilder(); |
| cellBuilder.setColumn(ByteString.copyFrom(cell.getColumn())); |
| cellBuilder.setData(ByteString.copyFrom(cell.getValue())); |
| if (cell.hasUserTimestamp()) { |
| cellBuilder.setTimestamp(cell.getTimestamp()); |
| } |
| rowBuilder.addValues(cellBuilder); |
| } |
| builder.addRows(rowBuilder); |
| } |
| return builder.build().toByteArray(); |
| } |
| |
| @Override |
| public ProtobufMessageHandler getObjectFromMessage(byte[] message) |
| throws IOException { |
| CellSet.Builder builder = CellSet.newBuilder(); |
| builder.mergeFrom(message); |
| for (CellSet.Row row: builder.getRowsList()) { |
| RowModel rowModel = new RowModel(row.getKey().toByteArray()); |
| for (Cell cell: row.getValuesList()) { |
| long timestamp = HConstants.LATEST_TIMESTAMP; |
| if (cell.hasTimestamp()) { |
| timestamp = cell.getTimestamp(); |
| } |
| rowModel.addCell( |
| new CellModel(cell.getColumn().toByteArray(), timestamp, |
| cell.getData().toByteArray())); |
| } |
| addRow(rowModel); |
| } |
| return this; |
| } |
| } |