All Classes

Class	Description
AdminDatastoreService	An AsyncDatastoreService implementation that is pinned to a specific appId and namesapce.
AdminDatastoreService.EntityBuilder	An Entity builder that pins it to the AdminUtils appId and namespace.
AdminDatastoreService.KeyBuilder	A Key builder that pins it to the AdminUtils appId and namespace.
AdminDatastoreService.QueryBuilder	A Query builder that pins it to the AdminUtils appId and namespace.
AdminSearchServiceFactory	Builds SearchService instances that are pinned to a specific application and namespace regardless of the "current" appId provided by ApiProxy.getCurrentEnvironment().getAppId() and the "current" namespace provided by NamespaceManager.get().
AppEngineInternal	Annotation that marks a package or class as internal to App Engine.
AppIdentityService	The AppIdentityService allows you to sign an arbitrary byte array using a per app private key maintained by App Engine, and to retrieve a list of public certificates which can be used to verify the signature.
AppIdentityService.GetAccessTokenResult	GetAccessTokenResult is returned by getAccessToken.
AppIdentityService.ParsedAppId	Class holding the results of parsing a full application id into its constituent parts.
AppIdentityService.SigningResult	SigningResult is returned by signForApp, which contains signing key name and signature.
AppIdentityServiceFactory	Creates new instances of the App Identity service.
AppIdentityServiceFailureException	AppIdentityServiceFailureException is thrown when any unknown error occurs while communicating with the App Identity service.
AppLogLine	An AppLogLine contains all the information for a single application log.
AsyncDatastoreService	An asynchronous version of DatastoreService.
AsyncMemcacheService	An asynchronous version of MemcacheService.
BackendService	Deprecated.
BackendServiceFactory	Factory for getting the Backends API implementation for the current environment.
BaseDatastoreService	Methods that are common between DatastoreService and AsyncDatastoreService.
BaseMemcacheService	Methods that are common between MemcacheService and AsyncMemcacheService.
Blob	Blob contains an array of bytes.
BlobInfo	BlobInfo contains metadata about a blob.
BlobInfoFactory	BlobInfoFactory provides a trivial interface for retrieving BlobInfo metadata.
BlobKey	BlobKey contains the string identifier of a large (possibly larger than 1MB) blob of binary data that was uploaded in a previous request and can be streamed directly to users.
BlobstoreFailureException	BlobstoreFailureException is an unchecked exception that is thrown for any unexpected error that occurs while communicating with the blobstore.
BlobstoreInputStream	BlobstoreInputStream provides an InputStream view of a blob in Blobstore.
BlobstoreInputStream.BlobstoreIOException	A subclass of IOException that indicates that there was a problem interacting with Blobstore.
BlobstoreInputStream.ClosedStreamException	A subclass of IOException that indicates operations on a stream after it is closed.
BlobstoreService	BlobstoreService allows you to manage the creation and serving of large, immutable blobs to users.
BlobstoreServiceFactory	Creates BlobstoreService implementations.
BounceNotification	The BounceNotification object represents an incoming bounce notification.
BounceNotification.Details	The BounceNotification.Details class describes either the original message that caused a bounce, or the notification message describing the bounce.
BounceNotificationParser	The BounceNotificationParser parses an incoming HTTP request into a description of a bounce notification.
ByteRange	A byte range as parsed from a request Range header.
CallbackContext<T>	Describes the context in which a callback runs.
CapabilitiesService	Allows applications to identify API outages.
CapabilitiesServiceFactory	Factory for creating a CapabilitiesService.
Capability	A capability represents a particular feature or set of features available on the App Engine platform.
CapabilityState	Represents the state of a Capability.
CapabilityStatus	Represents the status of a Capability.
Category	A tag, ie a descriptive word or phrase.
CloudDatastoreRemoteServiceConfig	User-configurable global properties of Cloud Datastore.
CloudDatastoreRemoteServiceConfig.AppId	An App Engine application ID.
CloudDatastoreRemoteServiceConfig.AppId.Location	Locations for App Engine applications.
CloudDatastoreRemoteServiceConfig.Builder	Builder for CloudDatastoreRemoteServiceConfig.
CommittedButStillApplyingException	CommittedButStillApplyingException is thrown when the write or transaction was committed, but some entities or index rows may not have been fully updated.
Composite	A Composite represents a composition of an image onto a canvas.
Composite.Anchor	Valid anchoring positions for a compositing operation.
CompositeIndexManager	Composite index management operations needed by the datastore api.
CompositeIndexUtils	Static utilities for working with composite indexes.
CompositeTransform	A transform that represents zero or more transforms executed in series.
ConsistentErrorHandler	A marker interface to indicate that all MemcacheServiceException exceptions should be handled by ErrorHandler.handleServiceError(MemcacheServiceException).
ConsistentLogAndContinueErrorHandler	Similar to the deprecated LogAndContinueErrorHandler but consistently handles all back-end related errors.
Cursor	A cursor that represents a position in a query.
Cursor	Represents a cursor on the set of results found for executing a Query during a search on the Index.
Cursor.Builder	A builder which constructs Cursor objects.
CursorChecker	Checks values of Cursor.
DatastoreApiHelper	Helper methods and constants shared by classes that implement the Java api on top of the datastore.
DatastoreAttributes	Attributes of a datastore.
DatastoreAttributes.DatastoreType	Indicates the type of datastore being used.
DatastoreCallbacksProcessor	Processes datastore callback annotations ( PrePut, PostPut, PreDelete, PostDelete, PreGet, PostLoad, PreQuery) and generates a config file that the Datastore API can load at runtime.
DatastoreConfig	Deprecated. Use DatastoreServiceConfig instead.
DatastoreFailureException	DatastoreFailureException is thrown when any unknown error occurs while communicating with the data store.
DatastoreNeedIndexException	DatastoreNeedIndexException is thrown when no matching index was found for a query requiring an index.
DatastoreService	The DatastoreService provides synchronous access to a schema-less data storage system.
DatastoreService.KeyRangeState	Indicates the state of a KeyRange.
DatastoreServiceConfig	User-configurable properties of the datastore.
DatastoreServiceConfig.Builder	Contains static creation methods for DatastoreServiceConfig.
DatastoreServiceFactory	Creates DatastoreService implementations.
DatastoreTimeoutException	DatastoreTimeoutException is thrown when a datastore operation times out.
DataTypeTranslator	DataTypeTranslator is a utility class for converting between the data store's Property protocol buffers and the user-facing classes (String, User, etc.).
DataTypeTranslator.ComparableByteArray	A wrapper for a byte[] that implements Comparable.
DataTypeUtils	DataTypeUtils presents a simpler interface that allows user-code to determine what Classes can safely be stored as properties in the data store.
DateUtil	A utility class that centralizes processing of dates.
DeferredTask	Interface for deferred tasks.
DeferredTaskContext	Resources for managing DeferredTask.
DeferredTaskCreationException	Indicates a failure to create a task payload.
DeferredTaskServlet	Implementation of HttpServlet to dispatch tasks with a DeferredTask payload; see TaskOptions.payload(DeferredTask).
DeleteContext	Concrete CallbackContext implementation that is specific to delete() callbacks.
DeleteException	Thrown to indicate that a search service failure occurred while deleting objects.
Document	Represents a user generated document.
Document.Builder	A builder of documents.
DocumentChecker	Checks values of a Document.
Email	An e-mail address datatype.
EmbeddedEntity	A property value containing embedded entity properties (and optionally a Key).
Entities	Utility functions and constants for entities.
Entity	Entity is the fundamental unit of data storage.
EntityNotFoundException	EntityNotFoundException is thrown when no Entity with the specified Key could be found.
EntityProtoComparators	Utilities for comparing OnestoreEntity.EntityProto.
EntityProtoComparators.EntityProtoComparator	A comparator for OnestoreEntity.EntityProto objects with the same ordering as EntityComparator.
EntityTranslator	EntityTranslator contains the logic to translate an Entity into the protocol buffers that are used to pass it to the implementation of the API.
ErrorHandler	Handles errors raised by the MemcacheService, registered with BaseMemcacheService.setErrorHandler(ErrorHandler).
ErrorHandlers	Static utility for getting built-in ErrorHandlers.
Expiration	Expiration specifications on MemcacheService.putAll(Map , Expiration) and MemcacheService.put(Object, Object, Expiration) operations.
ExpressionLexer
ExpressionParser
ExpressionParser.addExpr_return
ExpressionParser.addOp_return
ExpressionParser.atom_return
ExpressionParser.cmpExpr_return
ExpressionParser.cmpOp_return
ExpressionParser.condExpr_return
ExpressionParser.conjunction_return
ExpressionParser.disjunction_return
ExpressionParser.expression_return
ExpressionParser.fn_return
ExpressionParser.fnName_return
ExpressionParser.index_return
ExpressionParser.multExpr_return
ExpressionParser.multOp_return
ExpressionParser.name_return
ExpressionParser.negation_return
ExpressionParser.num_return
ExpressionParser.str_return
ExpressionParser.unary_return
ExpressionParser.var_return
ExpressionTreeBuilder	A generator of AST representation of an expression.
ExtendableEntityUtil	Internal class that provides utility methods for extendable entity objects.
Facet	A Facet can be used to categorize a Document.
FacetChecker	Provides checks for Facet names and values: atom or number.
FacetOptions	A FacetOptions represents facet options such as the number of facets to discover (discoveryLimit), the number of values to be included in each discovered facet (discoveryValueLimit), and the depth of the results to check (depth).
FacetOptions.Builder	Builder for FacetOptions.
FacetQueryChecker	Provides checks for faceted search related query options.
FacetRange	A FacetRange is a range with a start (inclusive) and an end (exclusive).
FacetRefinement	A Facet Refinement to filter out search results based on a facet value.
FacetRequest	A facet request representing parameters for requesting specific facets to be returned with a query result.
FacetRequest.Builder	A facet request builder.
FacetResult	Represents a facet result computed from an extended search result set.
FacetResult.Builder	A builder of facet result.
FacetResultValue	Represents a single facet result value.
FactoryProvider<I>	A base class for service factory creation that can be registered with the ProviderRegistry.
FetchOptions	Describes the limit, offset, and chunk size to be applied when executing a PreparedQuery.
FetchOptions	Allows users to customize the behavior of URLFetchService operations.
FetchOptions.Builder	Contains static creation methods for FetchOptions.
FetchOptions.Builder	Contains static creation methods for FetchOptions.
Field	Represents a field of a Document, which is a name, an optional locale, and at most one value: text, HTML, atom, date, GeoPoint, untokenizedPrefix, tokenizedPrefix or vector.
Field.Builder	A field builder.
Field.FieldType	The type of the field value.
FieldChecker	Provides checks for Field names, language code, and values: text, HTML, atom or date.
FieldExpression	Represents an expression bound to a returned Field with the given name.
FieldExpression.Builder	A field expression builder.
FileInfo	FileInfo contains metadata about an uploaded file.
FriendHacks	Provides limited access to unlaunched (package-private) methods and classes from outside this package.
FutureHelper	Utilities for working with Futures in the synchronous datastore api.
FutureWrapper<K extends @Nullable Object,V>	FutureWrapper is a simple Future that wraps a parent Future.
GeoPoint	Represents a point on the Earth's surface, in latitude and longitude coordinates.
GeoPointChecker	Provides checks for GeoPoint.
GeoPt	A geographical point, specified by float latitude and longitude coordinates.
GetException	Thrown to indicate that a search service failure occurred while performing a request to get requested objects.
GetIndexesRequest	A request to get a range of indexes.
GetIndexesRequest.Builder	The builder of GetIndexesRequests.
GetIndexesRequestChecker	Checks values of GetIndexesRequest.
GetRequest	A request to list objects in an index.
GetRequest.Builder	The builder of GetRequests.
GetRequestChecker	Checks values of GetRequest.
GetResponse<T>	Represents a result of executing a GetRequest.
GMTransport	Implementation of the 'Google Message Transport' which really just connects to the exposed MailService and uses it to deliver a message.
HTTPHeader	HTTPHeader can represent either an HTTP request header, or an HTTP response header.
HTTPMethod	HTTPMethod is an enumeration of HTTP methods that can be sent to a remote server via the URLFetchService.
HTTPRequest	HTTPRequest encapsulates a single HTTP request that is made via the URLFetchService.
HttpRequestParser	HttpRequestParser encapsulates helper methods used to parse incoming multipart/form-data HTTP requests.
HTTPResponse	HTTPResponse encapsulates the results of a HTTPRequest made via the URLFetchService.
IAppIdentityServiceFactory	Creates new instances of the App Identity service.
IAppIdentityServiceFactoryProvider	Factory provider for IAppIdentityServiceFactory.
IBackendServiceFactory	Factory for getting the Backends API implementation for the current environment.
IBackendServiceFactoryProvider	Factory provider for IBackendServiceFactory.
IBlobstoreServiceFactory	Creates BlobstoreService implementations.
IBlobstoreServiceFactoryProvider	Factory provider for IBlobstoreServiceFactory.
ICapabilitiesServiceFactory	Factory for creating a CapabilitiesService.
ICapabilitiesServiceFactoryProvider	Factory provider for ICapabilitiesServiceFactory.
IDatastoreServiceFactory	This interface should be implemented by providers of the DatastoreService and registered with ServiceFactoryFactory.
IDatastoreServiceFactoryProvider	Creates IDatastoreServiceFactory implementations.
IImagesServiceFactory	Factory for creating an ImagesService, Images and Transforms.
IImagesServiceFactoryProvider	Factory provider for IImagesServiceFactory.
ILogServiceFactory	Creates LogService implementations.
ILogServiceFactoryProvider	Factory provider for ILogServiceFactory.
Image	Image represents an image that can be manipulated by the ImagesService.
Image.Format	Image formats usable by the images api.
ImagesService	The images service provides methods to apply transformations to images.
ImagesService.OutputEncoding	Valid output encoding formats usable for image transforms.
ImagesServiceFactory	Factory for creating an ImagesService, Images and Transforms.
ImagesServiceFailureException	ImagesServiceFailureException is thrown when any unknown error occurs while communicating with the images service.
IMailServiceFactory	Factory for creating a MailService.
IMailServiceFactoryProvider	Factory provider for IMailServiceFactory.
IMemcacheServiceFactory	The factory by which users acquire a handle to the MemcacheService.
IMemcacheServiceFactoryProvider	Factory provider for IMemcacheServiceFactory.
IMHandle	An instant messaging handle.
IMHandle.Scheme	Supported IM schemes.
ImmutableCopy	Makes immutable copies of collections using only standard Java classes.
IModulesServiceFactory	Factory interface for use by providers of ModulesService for registration with ServiceFactoryFactory.
IModulesServiceFactoryProvider	Google App Engine's FactoryProvider for IModulesServiceFactory.
ImplicitTransactionManagementPolicy	Describes the various policies the datastore can follow for implicit transaction management.
Index	A Datastore Index definition.
Index	An Index allows synchronous and asynchronous adding and deleting of Documents as well as synchronous and asynchronous searching for Documents for a given Query.
Index.IndexState	Indicates the state of the Index.
Index.Property	An indexed property.
IndexChecker	Checks values of Indexes.
IndexSpec	Represents information about an index.
IndexSpec.Builder	A builder of IndexSpec.
IndexTranslator	Helper class to translate between Index to OnestoreEntity.Index.
InputSettings	InputSettings represents the different settings to specify how an Image is interpreted by a transform.
InputSettings.OrientationCorrection	Actions to take with respect to correcting image orientation based on image metadata.
InternalFailureException	Internal task queue error.
InternalTransientException	InternalTransientException is thrown when a temporary error occurs in retrieving the URL.
InvalidOAuthParametersException	InvalidOAuthParametersException is thrown when a request is a malformed OAuth request (for example, it omits a required parameter or contains an invalid signature).
InvalidOAuthTokenException	InvalidOAuthTokenException is thrown when a request contains an invalid OAuth token (for example, a token that has been revoked by the user).
InvalidQueueModeException	Mismatch of task method and queue mode.
InvalidRequestException	Log errors caused by an invalid request due either to an out of range option or an unsupported combination of options.
InvalidValueException	Thrown when a cache entry has content, but it cannot be read.
IOAuthServiceFactory	Creates an OAuthService.
IOAuthServiceFactoryProvider	Factory provider for IOAuthServiceFactory.
IQueueFactory	Creates Queue objects.
IQueueFactoryProvider	Factory provider for IQueueFactory.
IQuotaServiceFactory	The factory by which users acquire a handle to the QuotaService.
IQuotaServiceFactoryProvider	Factory provider for IQuotaServiceFactory.
ISearchServiceFactory	A factory that creates default implementation of SearchService.
ISearchServiceFactoryProvider	Factory provider for ISearchServiceFactory.
IURLFetchServiceFactory	Factory for URLFetchService
IURLFetchServiceFactoryProvider	Factory provider for IURLFetchServiceFactory.
IUserServiceFactory	This interface should be implemented by providers of the UserService and registered with ServiceFactoryFactory.
IUserServiceFactoryProvider	Creates IUserServiceFactory implementations.
JdbcMySqlConnectionCleanupFilter	Filter to cleanup any SQL connections that were opened but not closed during the HTTP-request processing.
Key	The primary key for a datastore entity.
KeyFactory	This class enables direct creation of Key objects, both in the root entity group (no parent) and as the child of a given parent.
KeyFactory.Builder	Helper class that aids in the construction of Keys with ancestors.
KeyRange	Represents a range of unique datastore identifiers from getStart().getId() to getEnd().getId() inclusive.
LeaseOptions	Contains various options for lease requests following the builder pattern.
LeaseOptions.Builder	Provides static creation methods for LeaseOptions.
Link	A Link is a URL of limited length.
LogAndContinueErrorHandler	The default error handler, which will cause most service errors to behave as though there were a cache miss, not an error.
LogQuery	Allows users to customize the behavior of LogService.fetch(LogQuery).
LogQuery.Builder	Contains static creation methods for LogQuery.
LogQuery.Version	Specifies a version of a module.
LogQueryResult	An object that is the result of performing a LogService.fetch() operation.
LogService	LogService allows callers to request the logs for an application using supplied filters.
LogService.LogLevel
LogServiceException	Log errors apart from InvalidRequestException.
LogServiceFactory	Creates LogService implementations.
MailService	The MailService provides a way for user code to send emails to arbitrary destinations.
MailService.Attachment
MailService.Header
MailService.Message	Messages are prepared by the caller, and then submitted to the Mail service for sending.
MailServiceFactory	Factory for creating a MailService.
MatchScorer	Assigns a document score based on frequency of terms in TextFields and HTMLFields.
MatchScorer.Builder	A builder that constructs MatchScorers.
MemcacheSerialization	Static serialization helpers used by MemcacheServiceImpl This class is thread-safe.
MemcacheSerialization.Flag	Values used as flags on the MemcacheService's values.
MemcacheSerialization.ValueAndFlags	Tuple of a serialized byte array value and associated flags to interpret that value.
MemcacheService	The Java API for the App Engine Memcache service.
MemcacheService.CasValues	A holder for compare and set values.
MemcacheService.IdentifiableValue	Encapsulates an Object that is returned by MemcacheService.getIdentifiable(java.lang.Object).
MemcacheService.ItemForPeek	...
MemcacheService.SetPolicy	Cache replacement strategies for MemcacheService.put(java.lang.Object, java.lang.Object, com.google.appengine.api.memcache.Expiration, com.google.appengine.api.memcache.MemcacheService.SetPolicy) operations, indicating how to handle putting a value that already exists.
MemcacheServiceException	An exception for backend non-availability or similar error states which may occur, but are not necessarily indicative of a coding or usage error by the application.
MemcacheServiceFactory	The factory by which users acquire a handle to the MemcacheService.
ModulesException	Exception thrown by the ModulesService.
ModulesService	ModulesService allows the application to fetch information about its own module and version information.
ModulesServiceFactory	Factory by which users get an implementation of the ModulesService.
MultipartMimeUtils	MultipartMimeUtils is a collection of static utility clases that facilitate the parsing of multipart/form-data and multipart/mixed requests using the MimeMultipart class provided by JavaMail.
NamespaceManager	Provides functions for manipulating the current namespace used for App Engine APIs.
NamespaceResources	Reources for namespaces used by front end and back end.
OAuthRequestException	OAuthRequestException is thrown when a request is not a valid OAuth request.
OAuthService	The OAuthService provides methods useful for validating OAuth requests.
OAuthServiceFactory	Creates an OAuthService.
OAuthServiceFailureException	OAuthServiceFailureException is thrown when any unknown error occurs while communicating with the OAuth service.
OperationResult	The result of an operation involving the search service.
OutputSettings	OutputSettings represents the different settings to specify how a particular transform or composite will return an Image.
ParseBlobUploadFilter	ParseBlobUploadFilter is responsible for the parsing multipart/form-data or multipart/mixed requests used to make Blob upload callbacks, and storing a set of string-encoded blob keys as a servlet request attribute.
ParserUtils	A helper class that holds various, state-less utility functions used by the query parser.
PhoneNumber	A human-readable phone number.
PostalAddress	A human-readable mailing address.
PostDelete	Identifies a callback method to be invoked after an Entity of any of the specified kinds is deleted from the datastore.
PostLoad	Identifies a callback method to be invoked after an Entity of any of the specified kinds is loaded from the datastore.
PostLoadContext	Concrete CallbackContext implementation that is specific to intercepted operations that load Entities, currently get and "query".
PostPut	Identifies a callback method to be invoked after an Entity of any of the specified kinds is written to the datastore.
Preconditions	Simple static methods to be called at the start of your own methods to verify correct arguments and state.
PreDelete	Identifies a callback method to be invoked before an Entity of any of the specified kinds is deleted from the datastore.
PreGet	Identifies a callback method to be invoked before an Entity of any of the specified kinds is fetched from the datastore via a get() rpc.
PreGetContext	Concrete CallbackContext implementation that is specific to intercepted get() operations.
PreparedQuery	Contains methods for fetching and returning entities from a Query.
PreparedQuery.TooManyResultsException	Indicates that too many results were found for PreparedQuery.asSingleEntity().
PrePut	Identifies a callback method to be invoked before an Entity of any of the specified kinds is written to the datastore.
PreQuery	Identifies a callback method to be invoked before a Query for any of the specified kinds is executed against the datastore.
PreQueryContext	Concrete CallbackContext implementation that is specific to intercepted queries.
Projection	A query projection.
PropertyContainer	A mutable property container.
PropertyProjection	A property projection.
PropertyType	An enum for all of the Onestore property types.
PublicCertificate	PublicCertificate contains an x509 public certificate in PEM format and a string which is used to identify this certificate.
PutContext	Concrete CallbackContext implementation that is specific to put() callbacks.
PutException	Thrown to indicate that a search service failure occurred while putting objects into the index.
PutResponse	Represents a result of putting a list of objects (documents or queries) into an index.
Query	Query encapsulates a request for zero or more Entity objects out of the datastore.
Query	A query to search an index for documents which match, restricting the document fields returned to those given, and scoring and sorting the results, whilst supporting pagination.
Query.Builder	A builder which constructs Query objects.
Query.CompositeFilter	A Query.Filter that combines several sub filters using a Query.CompositeFilterOperator.
Query.CompositeFilterOperator	Operators supported by Query.CompositeFilter.
Query.Filter	The base class for a query filter.
Query.FilterOperator	Operators supported by Query.FilterPredicate.
Query.FilterPredicate	A Query.Filter on a single property.
Query.GeoRegion	A geographic region intended for use in a Query.StContainsFilter.
Query.GeoRegion.Circle	A geographical region representing all points within a fixed distance from a central point, i.e., a circle.
Query.GeoRegion.Rectangle	A simple geographical region bounded by two latitude lines, and two longitude lines, i.e., a "rectangle".
Query.SortDirection	SortDirection controls the order of a sort.
Query.SortPredicate	SortPredicate is a data container that holds a single sort predicate.
Query.StContainsFilter	A Query.Filter representing a geo-region containment predicate.
QueryChecker	Checks values of Query.
QueryLexer
QueryOnlyCustomerDocumentChecker	This class performs DocumentPb.Document validity checks for search customers that only use the query API.
QueryOptions	Represents options which control where and what in the search results to return, from restricting the document fields returned to those given, and scoring and sorting the results, whilst supporting pagination.
QueryOptions.Builder	A builder which constructs QueryOptions objects.
QueryOptionsChecker	Checks values of QueryOptions.
QueryParser
QueryParser.andOp_return
QueryParser.arg_return
QueryParser.arglist_return
QueryParser.comparable_return
QueryParser.comparator_return
QueryParser.composite_return
QueryParser.expression_return
QueryParser.factor_return
QueryParser.function_return
QueryParser.item_return
QueryParser.member_return
QueryParser.notOp_return
QueryParser.orOp_return
QueryParser.phrase_return
QueryParser.primitive_return
QueryParser.query_return
QueryParser.restriction_return
QueryParser.sep_return
QueryParser.sequence_return
QueryParser.term_return
QueryParser.text_return
QueryParser.value_return
QueryParserFactory	A factory which produces QueryParsers for a given token rewrite stream.
QueryResultIterable<T>	A class that produces QueryResultIterators.
QueryResultIterator<T>	A class that iterates through the results of a Query
QueryResultList<T>	A list of results returned by executing a Query.
QueryTreeBuilder	A generator of AST representation of a query.
QueryTreeContext<T extends QueryTreeContext<T>>	The base class for specific query tree context used by the walker.
QueryTreeContext.Kind	Enumeration of the kind of the term that has a given return type.
QueryTreeContext.RewriteMode	Enumeration of text terms rewrite mode.
QueryTreeContext.Type	Enumeration of supported return types.
QueryTreeException	A parsing exception thrown when the tree resulting from parsing a query is in some sense invalid.
QueryTreeVisitor<T extends QueryTreeContext<T>>	Defines an interface of the visitor invoked by the walker.
QueryTreeWalker<T extends QueryTreeContext<T>>	The walking of the query tree.
Queue	Queue is used to manage a task queue.
QueueConstants	Describes various taskqueue limits.
QueueFactory	Creates Queue objects.
QueueFailureException	Unspecified queue failure.
QueueNameMismatchException	Queue name mismatch failure.
QueueStatistics	QueueStatistics allow observation of the rate that tasks on a given queue are being executed.
QuotaService	The QuotaService provides measurement of API and CPU usage during requests.
QuotaService.DataType	Represents all types of data that a QuotaService might be able to provide.
QuotaServiceFactory	The factory by which users acquire a handle to the QuotaService.
RangeFormatException	RangeFormatException is an unchecked exception that is thrown when an invalid Range header format is provided.
Rating	A user-provided integer rating for a piece of content.
RawValue	A raw datastore value.
ReadPolicy	Policy for reads.
ReadPolicy.Consistency	Setting the Consistency for reads allows you to decide whether freshness or availability is more important.
RemoteApiServlet	Remote API servlet handler.
RemoteApiServlet.UnknownPythonServerException	Exception for unknown errors from a Python remote_api handler.
Repackaged	Utilities for dealing with repackaged classes.
RequestLogs	RequestLogs contain all the log information for a single request.
RequestPayloadTooLargeException	RequestPayloadTooLargeException is thrown when the payload of a URLFetchService request is too large.
RequestStatusUtil	Collection of utility methods for SearchServicePb.RequestStatus.
RescoringMatchScorer	Assigns a document score based on term frequency weighted on document parts.
RescoringMatchScorer.Builder	A builder that constructs RescoringMatchScorers.
ResponseTooLargeException	ResponseTooLargeException is thrown when the result of a URLFetchService operation is too large.
Results<T>	Represents a result of executing a search.
RetryOptions	Contains various options for a task's retry strategy.
RetryOptions.Builder	Provides static creation methods for RetryOptions.
Schema	Contains information about the kinds of document Fields which are supported by the Index.
Schema.Builder	A builder which constructs Schema objects.
ScoredDocument	Represents a document which may have been scored, possibly some computed expression fields, and a cursor to continue the search from.
ScoredDocument.Builder	A builder of scored documents.
SearchApiLimits	Contains limits on field values, document sizes, and other properties of objects in the Search API.
SearchBaseException	Thrown to indicate that a search service failure occurred.
SearchException	Thrown to indicate that a search service failure occurred while performing a search request.
SearchQueryException	Thrown to indicate that a search query was invalid.
SearchService	The SearchService is used to get available indexes, which can be queried about their metadata or have index/delete/search operations performed on them.
SearchServiceConfig	Configuration options for Search API.
SearchServiceConfig.Builder	Builder for SearchServiceConfig.
SearchServiceException	Thrown to indicate that a search service failure occurred.
SearchServiceFactory	An factory that creates default implementation of SearchService.
ServiceFactoryFactory	This class is not intended for end users.
ServiceProvider	Specifies the precedence that ServiceFactoryFactory gives to the annotated FactoryProvider.
ServicesFile	A helper class for reading and writing Services files.
ServingUrlOptions	Allow users to customize the behavior of creating a image serving URL using the ImagesService.
ServingUrlOptions.Builder	Contains static creation methods for ServingUrlOptions.
SessionCleanupServlet	This servlet is run to cleanup expired sessions.
ShortBlob	ShortBlob contains an array of bytes no longer than DataTypeUtils.MAX_SHORT_BLOB_PROPERTY_LENGTH.
SnapshotServlet	Servlet invoked for /_ah/snapshot requests.
SortExpression	Sorting specification for a single dimension.
SortExpression.Builder	A builder that constructs SortExpressions.
SortExpression.SortDirection	The direction search results are sorted by, either ascending or descending.
SortExpressionChecker	Checks the values of a SortExpression.
SortOptions	Definition of how to sort documents.
SortOptions.Builder	A builder that constructs SortOptionss.
SortOptionsChecker	Checks the values of a SortOptions.
Stats	Statistics from the cache, available via MemcacheService.getStatistics()
StatusCode	Status code returned by various index operations.
StrictErrorHandler	A strict error handler, which will throw MemcacheServiceException or InvalidValueException for any service error condition.
SystemProperty	Global system properties which are set by App Engine.
SystemProperty.Environment	The current executing environment.
SystemProperty.Environment.Value	The set of possible values for Environment.
TaskAlreadyExistsException	One or more task names already exists in the queue.
TaskHandle	Created from Queue.add(TaskOptions).
TaskOptions	Contains various options for a task following the builder pattern.
TaskOptions.Builder	Provides static creation methods for TaskOptions.
TaskOptions.Method	Methods supported by Queue.
Text	Text wraps around a string of unlimited size.
ThreadManager	ThreadManager exposes a ThreadFactory that allows App Engine applications to spawn new threads.
Transaction	Describes a logical unit of work to be performed against the datastore.
TransactionalTaskException	Queue operation failure caused by Datastore exception
TransactionCleanupFilter	A servlet Filter that looks for datastore transactions that are still active when request processing is finished.
TransactionHelper	TransactionHelper enables the task queue API to serialize a datastore transaction without knowing the details of how it is implemented.
TransactionOptions	Describes options for transactions, passed at transaction creation time.
TransactionOptions.Builder	Contains static creation methods for TransactionOptions.
TransactionOptions.Mode	The mode of the transaction.
Transform	A transform that can be applied to an Image.
TransientFailureException	Intermittent failure.
UnsupportedRangeFormatException	UnsupportedRangeFormatException is an unchecked exception that is thrown when an valid but unsupported Range header format is provided.
UnsupportedTranslationException	Attempt to convert String to an unsupported charset.
UploadOptions	Allows users to customize the behavior of a single upload to the BlobstoreService.
UploadOptions.Builder	Contains static creation methods for UploadOptions.
URLFetchService	The URLFetchService provides a way for user code to execute HTTP requests to external URLs.
URLFetchServiceFactory	Factory for URLFetchService
URLFetchServiceStreamHandler	Adapts the URLFetchService to the http and https protocol handlers for URL.
User	User represents a specific user, represented by the combination of an email address and a specific Google Apps domain (which we call an authDomain).
UserService	The UserService provides information useful for forcing a user to log in or out, and retrieving information about the user who is currently logged-in.
UserServiceFactory	Creates a UserService.
UserServiceFailureException	UserServiceFailureException is thrown when any unknown error occurs while communicating with the user service.
WarmupServlet	WarmupServlet does very little.