diff options
Diffstat (limited to 'sandbox/sca-cloud-tutorial/cloud-google/src/main/java/org/apache/tuscany/sca/cloud/data/impl/DatastoreDocumentServiceImpl.java')
-rw-r--r-- | sandbox/sca-cloud-tutorial/cloud-google/src/main/java/org/apache/tuscany/sca/cloud/data/impl/DatastoreDocumentServiceImpl.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sandbox/sca-cloud-tutorial/cloud-google/src/main/java/org/apache/tuscany/sca/cloud/data/impl/DatastoreDocumentServiceImpl.java b/sandbox/sca-cloud-tutorial/cloud-google/src/main/java/org/apache/tuscany/sca/cloud/data/impl/DatastoreDocumentServiceImpl.java new file mode 100644 index 0000000000..05a11f0338 --- /dev/null +++ b/sandbox/sca-cloud-tutorial/cloud-google/src/main/java/org/apache/tuscany/sca/cloud/data/impl/DatastoreDocumentServiceImpl.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.sca.cloud.data.impl; + +import java.util.UUID; + +import org.apache.tuscany.sca.cloud.data.DocumentService; +import org.apache.tuscany.sca.data.collection.Entry; +import org.apache.tuscany.sca.data.collection.NotFoundException; +import org.oasisopen.sca.annotation.Init; + +import com.google.appengine.api.datastore.DatastoreService; +import com.google.appengine.api.datastore.DatastoreServiceFactory; +import com.google.appengine.api.datastore.Entity; +import com.google.appengine.api.datastore.EntityNotFoundException; +import com.google.appengine.api.datastore.Key; +import com.google.appengine.api.datastore.KeyFactory; + +public class DatastoreDocumentServiceImpl implements DocumentService<Key, Entity> { + private DatastoreService googleDataStoreService; + + @Init + public void init() { + googleDataStoreService = DatastoreServiceFactory.getDatastoreService(); + } + + public Entry<Key, Entity>[] getAll() { + throw new UnsupportedOperationException(); + } + + public Entity get(Key key) throws NotFoundException { + Entity entity = null; + + try { + entity = googleDataStoreService.get(key); + } catch(EntityNotFoundException nf) { + throw new NotFoundException(nf); + } + + return entity; + } + + + public Key post(Key key, Entity entity) { + + if( key == null ) { + key = KeyFactory.createKey("key", UUID.randomUUID().toString()); + } + + return googleDataStoreService.put(entity); + } + + public void put(Key key, Entity entity) throws NotFoundException { + if( get(key) == null) { + throw new NotFoundException("Could not find entity with key '" + key.toString() +"'"); + } + + googleDataStoreService.put(entity); + } + + public void delete(Key key) throws NotFoundException { + googleDataStoreService.delete(key); + + } + + public void delete(Key... keys) throws NotFoundException { + googleDataStoreService.delete(keys); + + } + + public Entry<Key, Entity>[] query(String query) { + throw new UnsupportedOperationException(); + } + +} |