Package org.apache.lens.server.api.query

Interface Summary

InMemoryOutputFormatter	Query result formatter, if the result from driver is in in-memory.
PersistedOutputFormatter	Query result formatter, if the result is persisted by driver.
QueryAcceptor	The Interface QueryAcceptor.
QueryExecutionService	The Interface QueryExecutionService.
QueryOutputFormatter	The interface for query result formatting This is an abstract interface, user should implement InMemoryOutputFormatter or PersistedOutputFormatter for formatting the result.
QueryRewriter	The Interface QueryRewriter.

Class Summary

AbstractQueryContext
DriverSelectorQueryContext
DriverSelectorQueryContext.DriverQueryContext
ExplainQueryContext	The class ExplainQueryContext
FinishedLensQuery	Class to represent the Finished lens query which is serialized to database.
PreparedQueryContext	The Class PreparedQueryContext.
PriorityChange	Event fired when query priority changes.
QueryAccepted	The Class QueryAccepted.
QueryCancelled	Event fired when query is cancelled.
QueryClosed	Event fired when a query is closed.
QueryContext	The Class QueryContext.
QueryEnded	Generic event denoting that query has ended.
QueryEvent<T>	A generic event related to state change of a query Subclasses must declare the specific type of change they are interested in.
QueryExecuted	Event fired when query is successfully completed by the driver.
QueryFailed	Event fired when a query fails to execute.
QueryLaunched	Event fired when query is LAUNCHED.
QueryQueued	Event fired when a query is QUEUED.
QueryRejected	The Class QueryRejected.
QueryRunning	Event fired when query enters a RUNNING state.
QuerySuccess	Event fired when query is successfully completed.
QueuePositionChange	Event fired when query moves up or down in the execution engine's queue.
StatusChange	The Class StatusChange.