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authorfmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68>2011-06-18 14:32:14 +0000
committerfmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68>2011-06-18 14:32:14 +0000
commit312281ca1bfe08fc62fb0fba9b4cce4bfd5f42f7 (patch)
tree5e59500a09715d04bdf72b3dc98a3b247e5eab75 /collaboration/GSoC-2011-Eranda/hbase
parent2fd232ad1680d2164bfb445b87299742f8af347d (diff)
TUSCANY-3522: Apply HBase-API.patch submitted by Eranda
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1137192 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'collaboration/GSoC-2011-Eranda/hbase')
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/pom.xml56
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Database.java26
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Group.java27
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Session.java26
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java36
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseDatatabase.java92
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseGroup.java81
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseSession.java68
-rw-r--r--collaboration/GSoC-2011-Eranda/hbase/src/test/java/org/apache/tuscany/nosqldatastore/hbase/HBaseTest.java48
9 files changed, 460 insertions, 0 deletions
diff --git a/collaboration/GSoC-2011-Eranda/hbase/pom.xml b/collaboration/GSoC-2011-Eranda/hbase/pom.xml
new file mode 100644
index 0000000000..fb454ef78a
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/pom.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+ <groupId>org.apache.tuscany</groupId>
+ <artifactId>nosql-datastore-hbase</artifactId>
+ <version>0.0.1</version>
+
+ <packaging>jar</packaging>
+ <name>tuscany</name>
+ <url>http://maven.apache.org</url>
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.hbase</groupId>
+ <artifactId>hbase</artifactId>
+ <version>0.90.3</version>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>2.0.2</version>
+ <configuration>
+ <source>1.5</source>
+ <target>1.5</target>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+</project>
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Database.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Database.java
new file mode 100644
index 0000000000..ad80b06f04
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Database.java
@@ -0,0 +1,26 @@
+/*
+ * 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;
+
+public interface Database {
+ Group createGroup(String groupId);
+ Group getGroup(String groupId);
+ void deleteGroup(String groupId);
+}
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Group.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Group.java
new file mode 100644
index 0000000000..634ab59cf0
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Group.java
@@ -0,0 +1,27 @@
+/*
+ * 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;
+
+public interface Group {
+ void addEntry(String key, Object value);
+ void updateEntry(String key, Object value);
+ void deleteEntry(String key);
+ Object getValue(String key);
+}
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Session.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Session.java
new file mode 100644
index 0000000000..5aa9641715
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/Session.java
@@ -0,0 +1,26 @@
+/*
+ * 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;
+
+public interface Session {
+ Database createDatabase(String databaseName);
+ Database getDatabase(String databaseName);
+ void deleteDatabase(String databaseName);
+}
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java
new file mode 100644
index 0000000000..bc645bc118
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java
@@ -0,0 +1,36 @@
+/*
+ * 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;
+
+import org.apache.tuscany.nosqldatastore.hbase.HBaseSession;
+
+public class SessionFactory {
+
+ private static org.apache.tuscany.nosqldatastore.Session session;
+
+ private SessionFactory(){
+ }
+
+ public static Session getHBaseSession(){
+ session = new HBaseSession("hbase");
+ return session;
+ }
+
+}
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseDatatabase.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseDatatabase.java
new file mode 100644
index 0000000000..5d49fd76da
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseDatatabase.java
@@ -0,0 +1,92 @@
+/*
+ * 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.conf.Configuration;
+import org.apache.hadoop.hbase.*;
+import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.hadoop.hbase.client.HTable;
+import org.apache.tuscany.nosqldatastore.Database;
+import org.apache.tuscany.nosqldatastore.Group;
+
+import java.io.IOException;
+
+public class HBaseDatatabase implements Database{
+
+ private HTable table;
+ private HBaseAdmin admin;
+
+ HBaseDatatabase(String dbname, HBaseAdmin admin){
+ Configuration conf = HBaseConfiguration.create();
+ try {
+ try{
+ HTableDescriptor descriptor = new HTableDescriptor(dbname);
+ admin.createTable(descriptor);
+ } catch (MasterNotRunningException e) {
+ e.printStackTrace();
+ } catch (ZooKeeperConnectionException e) {
+ e.printStackTrace();
+ } catch (TableExistsException e){
+ System.out.println("connected to existing database....");
+ } finally {
+ table = new HTable(conf,dbname);
+ System.out.println(new String(table.getTableName()));
+ this.admin = admin;
+ table.flushCommits();
+ }
+ }catch (IOException ex) {
+ ex.printStackTrace();
+ }
+
+ }
+
+ public Group createGroup(String groupId) {
+
+ HColumnDescriptor cf= new HColumnDescriptor(groupId.getBytes());
+
+ try {
+ admin.disableTable(table.getTableName());
+ admin.addColumn(table.getTableName(),cf);
+ admin.enableTable(table.getTableName());
+ } catch (IOException e) {
+ System.out.println("Error: Creating the group "+groupId);
+ e.printStackTrace();
+ }
+
+ Group group = new HBaseGroup(table, groupId);
+ return group;
+ }
+
+ public Group getGroup(String groupId) {
+ Group group = new HBaseGroup(table, groupId);
+ return group;
+ }
+
+ public void deleteGroup(String groupId) {
+ try {
+ admin.disableTable(table.getTableName());
+ admin.deleteColumn(table.getTableName(),groupId.getBytes());
+ admin.enableTable(table.getTableName());
+ } catch (IOException e) {
+ System.out.println("Error: Deleting the group "+groupId);
+ e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
+ }
+ }
+}
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
new file mode 100644
index 0000000000..f57b70ee60
--- /dev/null
+++ 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()));
+ }
+}
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseSession.java b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseSession.java
new file mode 100644
index 0000000000..83648eadc0
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/main/java/org/apache/tuscany/nosqldatastore/hbase/HBaseSession.java
@@ -0,0 +1,68 @@
+/*
+ * 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.conf.Configuration;
+import org.apache.hadoop.hbase.HBaseConfiguration;
+import org.apache.hadoop.hbase.MasterNotRunningException;
+import org.apache.hadoop.hbase.ZooKeeperConnectionException;
+import org.apache.hadoop.hbase.client.HBaseAdmin;
+import org.apache.tuscany.nosqldatastore.Database;
+import org.apache.tuscany.nosqldatastore.Session;
+
+import java.io.IOException;
+
+public class HBaseSession implements Session{
+
+ private String session;
+ private HBaseAdmin admin;
+
+ public HBaseSession(String session){
+ this.session = session;
+ Configuration conf = HBaseConfiguration.create();
+ try {
+ admin = new HBaseAdmin(conf);
+ } catch (MasterNotRunningException e) {
+ e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
+ } catch (ZooKeeperConnectionException e) {
+ e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
+ }
+ }
+
+ public Database createDatabase(String databaseName) {
+ Database database = new HBaseDatatabase(databaseName, admin);
+ return database;
+ }
+
+ public Database getDatabase(String databaseName) {
+ Database database = new HBaseDatatabase(databaseName, admin);
+ return database;
+ }
+
+ public void deleteDatabase(String databaseName) {
+ try {
+ admin.disableTable(databaseName);
+ admin.deleteTable(databaseName);
+ } catch (IOException e) {
+ System.out.println("Error: Creating the database "+databaseName);
+ e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
+ }
+ }
+}
diff --git a/collaboration/GSoC-2011-Eranda/hbase/src/test/java/org/apache/tuscany/nosqldatastore/hbase/HBaseTest.java b/collaboration/GSoC-2011-Eranda/hbase/src/test/java/org/apache/tuscany/nosqldatastore/hbase/HBaseTest.java
new file mode 100644
index 0000000000..1d51187176
--- /dev/null
+++ b/collaboration/GSoC-2011-Eranda/hbase/src/test/java/org/apache/tuscany/nosqldatastore/hbase/HBaseTest.java
@@ -0,0 +1,48 @@
+/*
+ * 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.tuscany.nosqldatastore.Database;
+import org.apache.tuscany.nosqldatastore.Group;
+import org.apache.tuscany.nosqldatastore.Session;
+import org.apache.tuscany.nosqldatastore.SessionFactory;
+
+public class HBaseTest {
+
+ Session session;
+
+ private HBaseTest(){
+ session = SessionFactory.getHBaseSession();
+ }
+
+ public static void main(String[] args){
+ HBaseTest test = new HBaseTest();
+ test.start();
+ }
+
+ public void start(){
+ Database database = session.createDatabase("SampleDB");
+ Group group = database.createGroup("group1");
+ group.addEntry("eranda", "Eranda Sooriyabandara");
+ System.out.println(group.getValue("eranda"));
+ group.deleteEntry("eranda");
+ database.deleteGroup("group1");
+ session.deleteDatabase("SampleDB");
+ }
+}