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Diffstat (limited to 'collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseGroup.java')
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseGroup.java81
1 files changed, 81 insertions, 0 deletions
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseGroup.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseGroup.java
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index 0000000000..f57b70ee60
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+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseGroup.java
@@ -0,0 +1,81 @@
+/*
+ * 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.tuscany.nosqldatastore.hbase;
+
+import org.apache.hadoop.hbase.HColumnDescriptor;
+import org.apache.hadoop.hbase.HTableDescriptor;
+import org.apache.hadoop.hbase.client.*;
+import org.apache.tuscany.nosqldatastore.Group;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class HBaseGroup implements Group {
+
+ private HTable table;
+ private String cf;
+
+ HBaseGroup(HTable table, String cf){
+ this.table = table;
+ this.cf = cf;
+ }
+
+ public void addEntry(String key, Object value) {
+ Put put = new Put(key.getBytes());
+ put.add(cf.getBytes(),key.getBytes(),((String)value).getBytes());
+ try {
+ table.put(put);
+ table.flushCommits();
+ } catch (IOException e) {
+ System.out.println("Error: Adding the entry for the Key "+key);
+ e.printStackTrace();
+ }
+
+ }
+
+ public void updateEntry(String key, Object value) {
+ addEntry(key,value);
+ }
+
+ public void deleteEntry(String key) {
+ Delete delete = new Delete(key.getBytes());
+ delete.deleteColumn(cf.getBytes(), key.getBytes());
+ try {
+ table.delete(delete);
+ table.flushCommits();
+ } catch (IOException e) {
+ System.out.println("Error: Deleting the entry for the Key "+key);
+ e.printStackTrace();
+ }
+ }
+
+ public Object getValue(String key) {
+ Result result = null;
+ Get get = new Get(key.getBytes());
+ try {
+ result = table.get(get);
+ } catch (IOException e) {
+ System.out.println("Error: Retrieving the value or the Key "+key);
+ e.printStackTrace();
+ }
+ return new String(result.getValue(cf.getBytes(),key.getBytes()));
+ }
+}