diff options
Diffstat (limited to 'collaboration/GSoC-2011-Eranda/couchdb/src/main')
12 files changed, 315 insertions, 115 deletions
diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Database.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Database.java index ad80b06f04..8dfdee5356 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Database.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Database.java @@ -1,26 +1,34 @@ -/* - * 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); -} +/*
+ * 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.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) throws GroupNotFoundException;
+}
diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Group.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Group.java index 634ab59cf0..78eeffc383 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Group.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Group.java @@ -1,27 +1,37 @@ -/* - * 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); -} +/*
+ * 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.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, 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/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Session.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Session.java index 5aa9641715..3d2b93cc4b 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Session.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/Session.java @@ -1,26 +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; - -public interface Session { - Database createDatabase(String databaseName); - Database getDatabase(String databaseName); - void deleteDatabase(String databaseName); -} +/*
+ * 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.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) throws SessionException;
+ Database getDatabase(String databaseName) throws SessionException;
+ void deleteDatabase(String databaseName) throws DatabaseNotFoundException, SessionException;
+}
diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java index 2438adf228..534a6905c4 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/SessionFactory.java @@ -22,15 +22,15 @@ package org.apache.tuscany.nosqldatastore; import org.apache.tuscany.nosqldatastore.couchdb.CouchDBSession; public class SessionFactory { - - private static org.apache.tuscany.nosqldatastore.Session session; - - private SessionFactory(){ - } - - public static Session getCouchDBSession(){ - session = new CouchDBSession(); - return session; - } - + + private org.apache.tuscany.nosqldatastore.Session session; + + public SessionFactory(){ + } + + public Session getCouchDBSession(){ + session = new CouchDBSession("couchdb"); + return session; + } + } diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBDatatabase.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBDatatabase.java index 20e426a1c4..2e6cbc92e6 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBDatatabase.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBDatatabase.java @@ -21,23 +21,25 @@ package org.apache.tuscany.nosqldatastore.couchdb; import org.apache.tuscany.nosqldatastore.Database; import org.apache.tuscany.nosqldatastore.Group; +import org.apache.tuscany.nosqldatastore.exception.GroupNotFoundException; import org.jcouchdb.db.Server; import org.jcouchdb.document.DesignDocument; +import org.jcouchdb.exception.CouchDBException; public class CouchDBDatatabase implements Database{ private org.jcouchdb.db.Database db; private String dbname; - CouchDBDatatabase(String dbname){ + CouchDBDatatabase(String dbname) throws CouchDBException{ this.dbname = dbname; db = new org.jcouchdb.db.Database("localhost",dbname); Server server = db.getServer(); if(!server.listDatabases().contains(dbname)){ server.createDatabase(dbname); - System.out.println("New database created..."); + return; } - + System.out.println("Connect to the existing database..."); } public Group createGroup(String groupId) { @@ -50,8 +52,12 @@ public class CouchDBDatatabase implements Database{ return group; } - public void deleteGroup(String groupId) { + public void deleteGroup(String groupId) throws GroupNotFoundException{ DesignDocument doc = db.getDesignDocument(groupId); - db.delete(doc); + if(doc != null){ + db.delete(doc); + return; + } + throw new GroupNotFoundException("Group does not exists "+groupId); } } diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBGroup.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBGroup.java index 2590dacc0c..485e87149d 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBGroup.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBGroup.java @@ -20,6 +20,8 @@ package org.apache.tuscany.nosqldatastore.couchdb; import org.apache.tuscany.nosqldatastore.Group; +import org.apache.tuscany.nosqldatastore.exception.DuplicateEntryException; +import org.apache.tuscany.nosqldatastore.exception.EntryNotFoundException; import org.jcouchdb.document.DesignDocument; import org.jcouchdb.document.DocumentHelper; import org.jcouchdb.exception.UpdateConflictException; @@ -42,33 +44,52 @@ public class CouchDBGroup implements Group { try{ database.createOrUpdateDocument(doc); }catch(UpdateConflictException e){ - System.out.println("Connect to the doc "+groupId); + System.out.println("Connect to the doc "+groupId); } } - public void addEntry(String key, Object value) { + public void addEntry(String key, String value) throws DuplicateEntryException { DesignDocument doc = database.getDesignDocument(groupId); Map<String, String> lists = doc.getListFunctions(); - lists.put(key, (String)value); - doc.setListFunctions(lists); - database.updateDocument(doc); + if(!lists.containsKey(key)){ + lists.put(key, value); + doc.setListFunctions(lists); + database.updateDocument(doc); + return; + } + throw new DuplicateEntryException("Entry already exist for key "+key); } - public void updateEntry(String key, Object value) { - addEntry(key, value); + public void updateEntry(String key, String value) throws EntryNotFoundException{ + DesignDocument doc = database.getDesignDocument(groupId); + Map<String, String> lists = doc.getListFunctions(); + if(lists.containsKey(key)){ + lists.put(key, value); + doc.setListFunctions(lists); + database.updateDocument(doc); + return; + } + throw new EntryNotFoundException("Entry does not exist for key "+key); } - public void deleteEntry(String key) { + public void deleteEntry(String key) throws EntryNotFoundException { DesignDocument doc = database.getDesignDocument(groupId); Map<String, String> lists = doc.getListFunctions(); - lists.remove(key); - doc.setListFunctions(lists); - database.updateDocument(doc); + if(lists.containsKey(key)){ + lists.remove(key); + doc.setListFunctions(lists); + database.updateDocument(doc); + return; + } + throw new EntryNotFoundException("Entry does not exist for key "+key); } - public Object getValue(String key) { + public String getEntry(String key) throws EntryNotFoundException { DesignDocument doc = database.getDesignDocument(groupId); Map<String, String> lists = doc.getListFunctions(); - return lists.get(key); + if(lists.containsKey(key)){ + return lists.get(key); + } + throw new EntryNotFoundException("Entry does not exist for key "+key); } } diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBSession.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBSession.java index 3805d03283..add2e258ff 100644 --- a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBSession.java +++ b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/couchdb/CouchDBSession.java @@ -21,25 +21,44 @@ package org.apache.tuscany.nosqldatastore.couchdb; 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.SessionException; import org.jcouchdb.db.Server; +import org.jcouchdb.exception.CouchDBException; public class CouchDBSession implements Session{ - public CouchDBSession(){ + private String sessionName; + + public CouchDBSession(String name){ + sessionName = name; } - public Database createDatabase(String databaseName) { - Database database = new CouchDBDatatabase(databaseName); + public Database createDatabase(String databaseName) throws SessionException { + Database database = null; + try{ + database = new CouchDBDatatabase(databaseName); + } catch(CouchDBException e){ + throw new SessionException("Session error"); + } return database; } - public Database getDatabase(String databaseName) { - Database database = new CouchDBDatatabase(databaseName); + public Database getDatabase(String databaseName) throws SessionException { + Database database = createDatabase(databaseName); return database; } - public void deleteDatabase(String databaseName) { + public void deleteDatabase(String databaseName) throws SessionException, DatabaseNotFoundException { org.jcouchdb.db.Database db = new org.jcouchdb.db.Database("localhost",databaseName); - db.getServer().deleteDatabase(databaseName); + if(db.getServer().listDatabases().contains(databaseName)){ + try{ + db.getServer().deleteDatabase(databaseName); + } catch(CouchDBException e){ + throw new SessionException("Session error"); + } + } else { + throw new DatabaseNotFoundException("Database "+databaseName+" not found"); + } } } diff --git a/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/DatabaseNotFoundException.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/DatabaseNotFoundException.java new file mode 100644 index 0000000000..871d0ac7ed --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/couchdb/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/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/DuplicateEntryException.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/DuplicateEntryException.java new file mode 100644 index 0000000000..4bd19fcd99 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/couchdb/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/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/EntryNotFoundException.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/EntryNotFoundException.java new file mode 100644 index 0000000000..f2f459d200 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/couchdb/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/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/GroupNotFoundException.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/GroupNotFoundException.java new file mode 100644 index 0000000000..70f5326745 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/couchdb/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/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/SessionException.java b/collaboration/GSoC-2011-Eranda/couchdb/src/main/java/org/apache/tuscany/nosqldatastore/exception/SessionException.java new file mode 100644 index 0000000000..016c7e6264 --- /dev/null +++ b/collaboration/GSoC-2011-Eranda/couchdb/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); + } +} |