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21 package org.apache.hadoop.hbase.rest.model;
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23 import java.io.IOException;
24 import java.io.Serializable;
25 import java.util.ArrayList;
26 import java.util.List;
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28 import javax.xml.bind.annotation.XmlRootElement;
29 import javax.xml.bind.annotation.XmlElement;
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31 import org.apache.hadoop.hbase.HConstants;
32 import org.apache.hadoop.hbase.rest.ProtobufMessageHandler;
33 import org.apache.hadoop.hbase.rest.protobuf.generated.CellMessage.Cell;
34 import org.apache.hadoop.hbase.rest.protobuf.generated.CellSetMessage.CellSet;
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36 import com.google.protobuf.ByteString;
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71 @XmlRootElement(name="CellSet")
72 public class CellSetModel implements Serializable, ProtobufMessageHandler {
73
74 private static final long serialVersionUID = 1L;
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76 private List<RowModel> rows;
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81 public CellSetModel() {
82 this.rows = new ArrayList<RowModel>();
83 }
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88 public CellSetModel(List<RowModel> rows) {
89 super();
90 this.rows = rows;
91 }
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97 public void addRow(RowModel row) {
98 rows.add(row);
99 }
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104 @XmlElement(name="Row")
105 public List<RowModel> getRows() {
106 return rows;
107 }
108
109 @Override
110 public byte[] createProtobufOutput() {
111 CellSet.Builder builder = CellSet.newBuilder();
112 for (RowModel row: getRows()) {
113 CellSet.Row.Builder rowBuilder = CellSet.Row.newBuilder();
114 rowBuilder.setKey(ByteString.copyFrom(row.getKey()));
115 for (CellModel cell: row.getCells()) {
116 Cell.Builder cellBuilder = Cell.newBuilder();
117 cellBuilder.setColumn(ByteString.copyFrom(cell.getColumn()));
118 cellBuilder.setData(ByteString.copyFrom(cell.getValue()));
119 if (cell.hasUserTimestamp()) {
120 cellBuilder.setTimestamp(cell.getTimestamp());
121 }
122 rowBuilder.addValues(cellBuilder);
123 }
124 builder.addRows(rowBuilder);
125 }
126 return builder.build().toByteArray();
127 }
128
129 @Override
130 public ProtobufMessageHandler getObjectFromMessage(byte[] message)
131 throws IOException {
132 CellSet.Builder builder = CellSet.newBuilder();
133 builder.mergeFrom(message);
134 for (CellSet.Row row: builder.getRowsList()) {
135 RowModel rowModel = new RowModel(row.getKey().toByteArray());
136 for (Cell cell: row.getValuesList()) {
137 long timestamp = HConstants.LATEST_TIMESTAMP;
138 if (cell.hasTimestamp()) {
139 timestamp = cell.getTimestamp();
140 }
141 rowModel.addCell(
142 new CellModel(cell.getColumn().toByteArray(), timestamp,
143 cell.getData().toByteArray()));
144 }
145 addRow(rowModel);
146 }
147 return this;
148 }
149 }