com.google.cloud.spring.data.datastore.repository.query

Annotation Type Query

@Retention(value=RUNTIME)
 @Target(value={METHOD,ANNOTATION_TYPE})
 @Documented
public @interface Query

Annotation to mark query methods in user-defined repositories that are supplied with Google Query Language custom queries.

Since:

1.1

Author:

Chengyuan Zhao

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	count Returns whether the defined query should be executed as a count projection.
boolean	exists Returns whether the defined query should be executed as an exists projection.
String	value Takes a Cloud Datastore GQL string to define the actual query to be executed.

Element Detail

value

public abstract String value

Takes a Cloud Datastore GQL string to define the actual query to be executed. This one will take precedence over the method name then.

Returns:

the SQL Cloud Datstore query string.

Default:

""

count

public abstract boolean count

Returns whether the defined query should be executed as a count projection.

Returns:

true if this query method returns a count. false otherwise

Default:

false

exists

public abstract boolean exists

Returns whether the defined query should be executed as an exists projection.

Returns:

true if this query method returns an exists boolean. false otherwise

Default:

false