diff options
Diffstat (limited to 'collaboration/GSoC-2011-Eranda/cassandra/src')
14 files changed, 371 insertions, 139 deletions
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Database.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Database.java index 73e43a93fd..8dfdee5356 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Database.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Database.java @@ -18,8 +18,17 @@ */
package org.apache.tuscany.nosqldatastore;
+import org.apache.tuscany.nosqldatastore.exception.GroupNotFoundException;
+
+/*
+Database:
+Use to manipulate the groups, where groups are use to categorize the data
+1. Creating a group
+2. Retrieving a group
+3. Deleting a group
+*/
public interface Database {
- Group createGroup(String groupId);
- Group getGroup(String groupId);
- void deleteGroup(String groupId);
+ Group createGroup(String groupId);
+ Group getGroup(String groupId);
+ void deleteGroup(String groupId) throws GroupNotFoundException;
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Group.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Group.java index f5d9b4dbba..78eeffc383 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Group.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Group.java @@ -18,9 +18,20 @@ */
package org.apache.tuscany.nosqldatastore;
+import org.apache.tuscany.nosqldatastore.exception.DuplicateEntryException;
+import org.apache.tuscany.nosqldatastore.exception.EntryNotFoundException;
+
+/*
+Group:
+Group use to categorize the data into different categories
+1. Add entry to the database
+2. Update an existing entry
+3. Delete an existing entry
+4. Get a existing entry
+ */
public interface Group {
- void addEntry(String key, Object value);
- void updateEntry(String key, Object value);
- void deleteEntry(String key);
- Object getValue(String key);
+ void addEntry(String key, String value) throws DuplicateEntryException;
+ void updateEntry(String key, String value) throws EntryNotFoundException;
+ void deleteEntry(String key) throws EntryNotFoundException;
+ String getEntry(String key) throws EntryNotFoundException;
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Session.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Session.java index 5f43259bbe..3d2b93cc4b 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Session.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/Session.java @@ -18,8 +18,19 @@ */
package org.apache.tuscany.nosqldatastore;
+import org.apache.tuscany.nosqldatastore.exception.DatabaseNotFoundException;
+import org.apache.tuscany.nosqldatastore.exception.GroupNotFoundException;
+import org.apache.tuscany.nosqldatastore.exception.SessionException;
+
+/*
+Session:
+Session is a database session use to access the database
+1. Create a database
+2. Get instance of existing database
+3. Delete a database
+*/
public interface Session {
- Database createDatabase(String databaseName);
- Database getDatabase(String databaseName);
- void deleteDatabase(String databaseName);
+ Database createDatabase(String databaseName) throws SessionException;
+ Database getDatabase(String databaseName) throws SessionException;
+ void deleteDatabase(String databaseName) throws DatabaseNotFoundException, SessionException;
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java index cb5ec2d47e..1db8ecc3d7 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java @@ -20,16 +20,17 @@ package org.apache.tuscany.nosqldatastore; import org.apache.tuscany.nosqldatastore.cassandra.CassandraSession;
-public class SessionFactory {
-
- private static org.apache.tuscany.nosqldatastore.Session session;
-
- private SessionFactory(){
- }
-
- public static Session getCassandraSession(){
- session = new CassandraSession("DataCluster");
- return session;
- }
-
+public class
+ SessionFactory {
+
+ private org.apache.tuscany.nosqldatastore.Session session;
+
+ public SessionFactory(){
+ }
+
+ public Session getCassandraSession(){
+ session = new CassandraSession("DataCluster");
+ return session;
+ }
+
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraDatabase.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraDatabase.java index 0760a78f34..da12203690 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraDatabase.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraDatabase.java @@ -23,17 +23,19 @@ import me.prettyprint.hector.api.Cluster; import me.prettyprint.hector.api.Keyspace;
import me.prettyprint.hector.api.ddl.KeyspaceDefinition;
import me.prettyprint.hector.api.exceptions.HInvalidRequestException;
+import me.prettyprint.hector.api.exceptions.HectorException;
import me.prettyprint.hector.api.factory.HFactory;
import org.apache.tuscany.nosqldatastore.Database;
import org.apache.tuscany.nosqldatastore.Group;
+import org.apache.tuscany.nosqldatastore.exception.GroupNotFoundException;
class CassandraDatabase implements Database {
-
+
private Keyspace keyspace;
private Cluster cluster;
-
- CassandraDatabase(String databaseName, Cluster cluster) {
- try{
+
+ CassandraDatabase(String databaseName, Cluster cluster) throws HectorException{
+ try{
KeyspaceDefinition ksDef = new ThriftKsDef(databaseName, "org.apache.cassandra.locator.SimpleStrategy", 1, null);
cluster.addKeyspace(ksDef);
}catch (HInvalidRequestException e){
@@ -44,17 +46,22 @@ class CassandraDatabase implements Database { }
public Group createGroup(String groupId) {
- CassandraGroup group = new CassandraGroup(groupId, keyspace, cluster);
- return group;
+ Group group = new CassandraGroup(groupId, keyspace, cluster);
+ return group;
}
public Group getGroup(String groupId) {
- return createGroup(groupId);
+ Group group = createGroup(groupId);
+ return group;
}
- public void deleteGroup(String key) {
- cluster.dropColumnFamily(keyspace.getKeyspaceName(), key);
+ public void deleteGroup(String groupId) throws GroupNotFoundException {
+ try{
+ cluster.dropColumnFamily(keyspace.getKeyspaceName(), groupId);
+ } catch(HInvalidRequestException e){
+ throw new GroupNotFoundException("Group does not exists "+groupId);
+ }
}
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraGroup.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraGroup.java index 3b29399e3e..30ab8698b4 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraGroup.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraGroup.java @@ -29,6 +29,8 @@ import me.prettyprint.hector.api.ddl.ColumnFamilyDefinition; import me.prettyprint.hector.api.exceptions.HInvalidRequestException;
import me.prettyprint.hector.api.factory.HFactory;
import org.apache.tuscany.nosqldatastore.Group;
+import org.apache.tuscany.nosqldatastore.exception.DuplicateEntryException;
+import org.apache.tuscany.nosqldatastore.exception.EntryNotFoundException;
class CassandraGroup implements Group {
@@ -36,35 +38,57 @@ class CassandraGroup implements Group { private ColumnFamilyUpdater<String, String> updater;
private final StringSerializer se = StringSerializer.get();
- CassandraGroup(String groupId, Keyspace keyspace, Cluster cluster) {
+ CassandraGroup(String groupId, Keyspace keyspace, Cluster cluster) {
try{
- ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(keyspace.getKeyspaceName(), groupId);
- cluster.addColumnFamily(cfDef);
+ ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(keyspace.getKeyspaceName(), groupId);
+ cluster.addColumnFamily(cfDef);
}catch (HInvalidRequestException e){
System.out.println("Connect to the existing group...");
}
template = new ThriftColumnFamilyTemplate<String, String>(keyspace,groupId,se,se,HFactory.createMutator(keyspace, se));
- }
+ }
- public void addEntry(String key, Object value) {
- updater = template.createUpdater(key);
- updater.setString(key, (String) value);
- template.update(updater);
- template.addColumn(key, se);
- }
+ public void addEntry(String key, String value) throws DuplicateEntryException {
+ ColumnFamilyResult wrapper = template.queryColumns(key);
+ if(wrapper.getString(key) == null){
+ updater = template.createUpdater(key);
+ updater.setString(key, value);
+ template.update(updater);
+ template.addColumn(key, se);
+ return;
+ }
+ throw new DuplicateEntryException("Entry already exist for key "+key);
+ }
- public void deleteEntry(String key) {
- template.deleteColumn(key, key);
-
- }
+ public void deleteEntry(String key) throws EntryNotFoundException {
+ ColumnFamilyResult wrapper = template.queryColumns(key);
+ if(wrapper.getString(key) != null){
+ template.deleteColumn(key, key);
+ return;
+ }
+ throw new EntryNotFoundException("Entry does not exist for key "+key);
+ }
- public Object getValue(String key) {
+ public String getEntry(String key) throws EntryNotFoundException {
ColumnFamilyResult wrapper = template.queryColumns(key);
- return wrapper.getString(key);
+ String entry = wrapper.getString(key);
+ if(entry != null){
+ return entry;
+ }
+ throw new EntryNotFoundException("Entry does not exist for key "+key);
+
}
- public void updateEntry(String key, Object value) {
- addEntry(key, value);
- }
+ public void updateEntry(String key, String value) throws EntryNotFoundException {
+ ColumnFamilyResult wrapper = template.queryColumns(key);
+ if(wrapper.getString(key) != null){
+ updater = template.createUpdater(key);
+ updater.setString(key, value);
+ template.update(updater);
+ template.addColumn(key, se);
+ return;
+ }
+ throw new EntryNotFoundException("Entry does not exist for key "+key);
+ }
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraSession.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraSession.java index 7a9faf7b43..186d9f8d1a 100644 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraSession.java +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraSession.java @@ -20,31 +20,46 @@ package org.apache.tuscany.nosqldatastore.cassandra; import me.prettyprint.cassandra.service.CassandraHostConfigurator;
import me.prettyprint.hector.api.Cluster;
+import me.prettyprint.hector.api.exceptions.HInvalidRequestException;
+import me.prettyprint.hector.api.exceptions.HectorException;
import me.prettyprint.hector.api.factory.HFactory;
import org.apache.tuscany.nosqldatastore.Database;
import org.apache.tuscany.nosqldatastore.Session;
+import org.apache.tuscany.nosqldatastore.exception.DatabaseNotFoundException;
+import org.apache.tuscany.nosqldatastore.exception.GroupNotFoundException;
+import org.apache.tuscany.nosqldatastore.exception.SessionException;
public class CassandraSession implements Session {
-
- private CassandraHostConfigurator cassandraHostConfigurator;
- private Cluster cluster;
-
- public CassandraSession(String clusterName) {
- cluster = HFactory.getOrCreateCluster("Test Cluster", "127.0.0.1:9160");
- }
-
- public Database createDatabase(String keyspaceName) {
- Database database = new CassandraDatabase(keyspaceName, cluster);
- return database;
- }
-
- public Database getDatabase(String keyspaceName) {
- Database database = new CassandraDatabase(keyspaceName, cluster);
- return database;
- }
-
- public void deleteDatabase(String keyspaceName) {
- cluster.dropKeyspace(keyspaceName);
- }
+
+ private CassandraHostConfigurator cassandraHostConfigurator;
+ private Cluster cluster;
+
+ public CassandraSession(String clusterName) {
+ cluster = HFactory.getOrCreateCluster("Test Cluster", "127.0.0.1:9160");
+ }
+
+ public Database createDatabase(String databaseName) throws SessionException {
+ Database database = null;
+ try{
+ database = new CassandraDatabase(databaseName, cluster);
+ } catch (HectorException e){
+ throw new SessionException("Session error");
+ }
+ return database;
+ }
+
+ public Database getDatabase(String databaseName) throws SessionException {
+ return createDatabase(databaseName);
+ }
+
+ public void deleteDatabase(String databaseName) throws DatabaseNotFoundException, SessionException {
+ try{
+ cluster.dropKeyspace(databaseName);
+ } catch(HInvalidRequestException e){
+ throw new DatabaseNotFoundException("Database "+databaseName+" not found");
+ } catch (HectorException e){
+ throw new SessionException("Session error");
+ }
+ }
}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/DatabaseNotFoundException.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/DatabaseNotFoundException.java new file mode 100644 index 0000000000..871d0ac7ed --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/DatabaseNotFoundException.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.exception; + +public class DatabaseNotFoundException extends Exception{ + + public DatabaseNotFoundException(String msg){ + super(msg); + } +} diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/DuplicateEntryException.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/DuplicateEntryException.java new file mode 100644 index 0000000000..4bd19fcd99 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/DuplicateEntryException.java @@ -0,0 +1,25 @@ +/* + * 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.exception; + +public class DuplicateEntryException extends Exception{ + public DuplicateEntryException(String msg) { + super(msg); + } +} diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/EntryNotFoundException.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/EntryNotFoundException.java new file mode 100644 index 0000000000..f2f459d200 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/EntryNotFoundException.java @@ -0,0 +1,25 @@ +/* + * 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.exception; + +public class EntryNotFoundException extends Exception{ + public EntryNotFoundException(String msg) { + super(msg); + } +} diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/GroupNotFoundException.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/GroupNotFoundException.java new file mode 100644 index 0000000000..70f5326745 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/GroupNotFoundException.java @@ -0,0 +1,25 @@ +/* + * 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.exception; + +public class GroupNotFoundException extends Exception{ + public GroupNotFoundException(String msg){ + super(msg); + } +} diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/SessionException.java b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/SessionException.java new file mode 100644 index 0000000000..016c7e6264 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/main/java/org/apache/tuscany/nosqldatastore/exception/SessionException.java @@ -0,0 +1,25 @@ +/* + * 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.exception; + +public class SessionException extends Exception{ + public SessionException(String msg){ + super(msg); + } +} diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/test/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraTest.java b/collaboration/GSoC-2011-Eranda/cassandra/src/test/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraTest.java deleted file mode 100644 index 8ca38d2f9f..0000000000 --- a/collaboration/GSoC-2011-Eranda/cassandra/src/test/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraTest.java +++ /dev/null @@ -1,68 +0,0 @@ -/*
- * 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.cassandra;
-
-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 CassandraTest {
-
- Session session;
-
- public CassandraTest(){
- session = SessionFactory.getCassandraSession();
- }
-
- public static void main(String[] args){
- CassandraTest test = new CassandraTest();
- test.create();
- test.delete();
- }
-
- public void create(){
- Database db = session.createDatabase("TwitApp");
- Group group1 = db.createGroup("twits");
-
- group1.addEntry("twitName1", "Here I am");
- group1.addEntry("twitName2", "I am not here");
- group1.addEntry("twitName3", "Sometimes");
-
- Group group2 = db.createGroup("users");
-
- group2.addEntry("userName1", "eranda");
- group2.addEntry("userName2", "ishara");
- group2.addEntry("userName3", "ravi");
-
- group2.deleteEntry("userName3");
- group2.updateEntry("userName2", "eranda");
-
- System.out.println(group2.getValue("userName1"));
- }
-
- public void delete(){
- Database db = session.getDatabase("TwitApp");
- db.deleteGroup("twits");
- db.deleteGroup("users");
- session.deleteDatabase("TwitApp");
- }
-
-}
diff --git a/collaboration/GSoC-2011-Eranda/cassandra/src/test/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraTestCase.java b/collaboration/GSoC-2011-Eranda/cassandra/src/test/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraTestCase.java new file mode 100644 index 0000000000..267808dfa1 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/cassandra/src/test/java/org/apache/tuscany/nosqldatastore/cassandra/CassandraTestCase.java @@ -0,0 +1,96 @@ +/*
+ * 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.cassandra;
+
+import org.apache.tuscany.nosqldatastore.Database;
+import org.apache.tuscany.nosqldatastore.Group;
+import org.apache.tuscany.nosqldatastore.Session;
+import org.apache.tuscany.nosqldatastore.SessionFactory;
+import org.apache.tuscany.nosqldatastore.exception.*;
+import org.junit.Before;
+import org.junit.Test;
+
+import org.junit.Assert;
+
+
+public class CassandraTestCase {
+
+ private Session session;
+
+ @Before
+ public void init(){
+ SessionFactory factory = new SessionFactory();
+ session = factory.getCassandraSession();
+ }
+
+ @Test
+ public void testAddEntry() throws Exception {
+ Database db = session.createDatabase("TwitApp");
+ Group group = db.createGroup("twits");
+
+ group.addEntry("twitName1", "Here I am");
+ group.addEntry("twitName2", "I am not here");
+ group.addEntry("twitName3", "Sometimes");
+
+ Assert.assertEquals(group.getEntry("twitName1"), "Here I am");
+ Assert.assertEquals(group.getEntry("twitName2"), "I am not here");
+ Assert.assertEquals(group.getEntry("twitName3"), "Sometimes");
+
+ db.deleteGroup("twits");
+ session.deleteDatabase("TwitApp");
+ }
+
+ @Test
+ public void testDeleteEntry() throws Exception {
+ Database db = session.createDatabase("TwitApp");
+ Group group = db.createGroup("twits");
+
+ group.addEntry("twitName1", "Here I am");
+ group.addEntry("twitName2", "I am not here");
+ group.addEntry("twitName3", "Sometimes");
+
+ group.deleteEntry("twitName1");
+
+ try {
+ Assert.assertNull(group.getEntry("twitName1"));
+ Assert.fail("Deleted entry exists");
+ } catch(EntryNotFoundException e) {
+ //Expected
+ }
+
+ db.deleteGroup("twits");
+ session.deleteDatabase("TwitApp");
+ }
+
+ @Test
+ public void testUpdateEntry() throws Exception {
+ Database db = session.createDatabase("TwitApp");
+ Group group = db.createGroup("twits");
+
+ group.addEntry("twitName1", "Here I am");
+ group.addEntry("twitName2", "I am not here");
+ group.addEntry("twitName3", "Sometimes");
+
+ group.updateEntry("twitName3", "Never");
+ Assert.assertEquals(group.getEntry("twitName3"), "Never");
+
+ db.deleteGroup("twits");
+ session.deleteDatabase("TwitApp");
+ }
+}
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