本文整理汇总了Java中com.google.cloud.datastore.Datastore.run方法的典型用法代码示例。如果您正苦于以下问题:Java Datastore.run方法的具体用法?Java Datastore.run怎么用?Java Datastore.run使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.google.cloud.datastore.Datastore
的用法示例。
在下文中一共展示了Datastore.run方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: tearDownClass
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void tearDownClass() {
// Clear the datastore
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book3").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
// Delete any objects in the bucket
Storage storage = StorageOptions.getDefaultInstance().getService();
Page<Blob> blobs = storage.list(System.getProperty("bookshelf.bucket"));
List<BlobId> blobIds = new ArrayList<BlobId>();
for (Blob b : blobs.iterateAll()) {
blobIds.add(b.getBlobId());
}
storage.delete(blobIds);
service.stop();
}
示例2: tearDownClass
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void tearDownClass() {
// Clear the datastore if we're not using the local emulator
if (!LOCAL_TEST) {
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book5").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}
service.stop();
}
示例3: createAndStopService
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void createAndStopService() {
service.stop();
// Clear the datastore if we're not using the local emulator
if (!LOCAL_TEST) {
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book2").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}
}
示例4: tearDownClass
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void tearDownClass() {
// Delete any objects in the bucket
Storage storage = StorageOptions.getDefaultInstance().getService();
Page<Blob> blobs = storage.list(System.getProperty("bookshelf.bucket"));
List<BlobId> blobIds = new ArrayList<BlobId>();
for (Blob b : blobs.iterateAll()) {
blobIds.add(b.getBlobId());
}
storage.delete(blobIds);
// Clear the datastore if we're not using the local emulator
if (!LOCAL_TEST) {
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book3").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}
service.stop();
}
示例5: tearDownClass
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void tearDownClass() {
// Clear the datastore if we're not using the local emulator
if (!LOCAL_TEST) {
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book4").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}
service.stop();
}
示例6: getNamespaces
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@Override
public QueryResponse<String> getNamespaces(DatastoreCursor fromCursor, int limit) {
try {
String query = "SELECT __key__ FROM " + ENTITY_NAMESPACES + " ORDER BY __key__";
if (limit > 0) {
query += " LIMIT @Limit";
}
query += " OFFSET @Offset";
GqlQuery.Builder<Key> gqlQueryBuilder = Query.newGqlQueryBuilder(ResultType.KEY, query);
if (limit > 0) {
gqlQueryBuilder.setBinding("Limit", limit);
}
gqlQueryBuilder.setBinding("Offset", Cursor.fromUrlSafe(fromCursor.getEncoded()));
GqlQuery<Key> gqlQuery = gqlQueryBuilder.build();
Datastore datastore = entityManager.getDatastore();
QueryResults<Key> results = datastore.run(gqlQuery);
DefaultQueryResponse<String> response = new DefaultQueryResponse<>();
List<String> namespaces = new ArrayList<>(Math.max(limit, 50));
response.setStartCursor(new DefaultDatastoreCursor(results.getCursorAfter().toUrlSafe()));
while (results.hasNext()) {
Key key = results.next();
String name = key.getName();
namespaces.add(name == null ? "" : name);
}
response.setResults(namespaces);
response.setEndCursor(new DefaultDatastoreCursor(results.getCursorAfter().toUrlSafe()));
return response;
} catch (DatastoreException exp) {
throw new EntityManagerException(exp);
}
}
示例7: tearDown
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@After
public void tearDown() throws Exception {
// clear datastore after each test
Datastore datastore = helper.getOptions().getService();
KeyQuery query = Query.newKeyQueryBuilder().build();
final QueryResults<Key> keys = datastore.run(query);
while (keys.hasNext()) {
datastore.delete(keys.next());
}
}
示例8: entitiesOfKind
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
private List<Entity> entitiesOfKind(String kind) {
Datastore datastore = helper.getOptions().getService();
EntityQuery query = Query.newEntityQueryBuilder().setKind(kind).build();
QueryResults<Entity> keys = datastore.run(query);
List<Entity> entities = new ArrayList<>();
while (keys.hasNext()) {
entities.add(keys.next());
}
return entities;
}
示例9: tearDown
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@After
public void tearDown() throws Exception {
// clear datastore after each test
Datastore datastore = localDatastore.getOptions().getService();
KeyQuery query = Query.newKeyQueryBuilder().build();
final QueryResults<Key> keys = datastore.run(query);
while (keys.hasNext()) {
datastore.delete(keys.next());
}
}
示例10: tearDown
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@After
public void tearDown() throws Exception {
// clear datastore after each test
Datastore datastore = localDatastore.getOptions().getService();
KeyQuery query = Query.newKeyQueryBuilder().build();
final QueryResults<Key> keys = datastore.run(query);
while (keys.hasNext()) {
datastore.delete(keys.next());
}
serviceHelper.stubClient().clear();
}
示例11: tearDown
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@After
public void tearDown() throws Exception {
serviceHelper.close();
// clear datastore after each test
Datastore datastore = localDatastore.getOptions().getService();
KeyQuery query = Query.newKeyQueryBuilder().build();
final QueryResults<Key> keys = datastore.run(query);
while (keys.hasNext()) {
datastore.delete(keys.next());
}
}
示例12: retrieve
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@Override
public List<Message> retrieve(int limit) {
// Get Message saved in Datastore
Datastore datastore = getDatastoreInstance();
Query<Entity> query =
Query.newEntityQueryBuilder()
.setKind(messagesKind)
.setLimit(limit)
.addOrderBy(StructuredQuery.OrderBy.desc("publishTime"))
.build();
QueryResults<Entity> results = datastore.run(query);
List<Message> messages = new ArrayList<>();
while (results.hasNext()) {
Entity entity = results.next();
Message message = new Message(entity.getString("messageId"));
String data = entity.getString("data");
if (data != null) {
message.setData(data);
}
String publishTime = entity.getString("publishTime");
if (publishTime != null) {
message.setPublishTime(publishTime);
}
if (entity.contains("sourceLang")) {
String sourceLang = entity.getString("sourceLang");
if (sourceLang != null) {
message.setSourceLang(sourceLang);
}
}
if (entity.contains("targetLang")) {
String targetLang = entity.getString("targetLang");
if (targetLang != null) {
message.setTargetLang(targetLang);
}
}
messages.add(message);
}
return messages;
}
示例13: tearDownClass
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void tearDownClass() {
service.stop();
// Clear the datastore
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book5").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}
示例14: createAndStopService
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void createAndStopService() {
service.stop();
// Clear the datastore
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book2").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}
示例15: tearDownClass
import com.google.cloud.datastore.Datastore; //导入方法依赖的package包/类
@AfterClass
public static void tearDownClass() {
service.stop();
// Clear the datastore
Datastore datastore = DatastoreOptions.getDefaultInstance().getService();
Batch batch = datastore.newBatch();
StructuredQuery<Key> query = Query.newKeyQueryBuilder()
.setKind("Book6").build();
for (QueryResults<Key> keys = datastore.run(query); keys.hasNext(); ) {
batch.delete(keys.next());
}
batch.submit();
}