Package org.apache.druid.server

Class QueryResource

java.lang.Object

org.apache.druid.server.QueryResource

All Implemented Interfaces:

QueryCountStatsProvider

Direct Known Subclasses:

BrokerQueryResource

public class QueryResource
extends Object
implements QueryCountStatsProvider

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	QueryResource.QueryMetricCounter
protected static class	QueryResource.ResourceIOReaderWriter
protected static class	QueryResource.ResourceIOWriter

Field Summary

Fields

Modifier and Type	Field	Description
protected static String	APPLICATION_SMILE	Deprecated.
protected AuthorizerMapper	authorizerMapper
static String	HEADER_ETAG
static String	HEADER_IF_NONE_MATCH
static String	HEADER_RESPONSE_CONTEXT	HTTP response header name containing ResponseContext serialized string
protected com.fasterxml.jackson.databind.ObjectMapper	jsonMapper
protected static org.apache.druid.java.util.emitter.EmittingLogger	log
static org.apache.druid.java.util.emitter.EmittingLogger	NO_STACK_LOGGER
static String	QUERY_ID_RESPONSE_HEADER
protected QueryLifecycleFactory	queryLifecycleFactory
protected QueryScheduler	queryScheduler
protected com.fasterxml.jackson.databind.ObjectMapper	serializeDateTimeAsLongJsonMapper
protected com.fasterxml.jackson.databind.ObjectMapper	serializeDateTimeAsLongSmileMapper
protected com.fasterxml.jackson.databind.ObjectMapper	smileMapper

Constructor Summary

Constructors

Constructor	Description
QueryResource(QueryLifecycleFactory queryLifecycleFactory, com.fasterxml.jackson.databind.ObjectMapper jsonMapper, com.fasterxml.jackson.databind.ObjectMapper smileMapper, QueryScheduler queryScheduler, AuthConfig authConfig, AuthorizerMapper authorizerMapper, ResponseContextConfig responseContextConfig, DruidNode selfNode)

Method Summary

Modifier and Type	Method	Description
javax.ws.rs.core.Response	cancelQuery(String queryId, javax.servlet.http.HttpServletRequest req)
protected QueryResource.ResourceIOReaderWriter	createResourceIOReaderWriter(javax.servlet.http.HttpServletRequest req, boolean pretty)
javax.ws.rs.core.Response	doPost(InputStream in, String pretty, javax.servlet.http.HttpServletRequest req)
long	getFailedQueryCount()	Returns the number of failed queries during the emission period.
long	getInterruptedQueryCount()	Returns the number of queries interrupted due to cancellation during the emission period.
long	getSuccessfulQueryCount()	Returns the number of successful queries processed during the emission period.
long	getTimedOutQueryCount()	Returns the number of timed out queries during the emission period.
protected com.fasterxml.jackson.databind.ObjectMapper	serializeDataTimeAsLong(com.fasterxml.jackson.databind.ObjectMapper mapper)
static void	transferEntityTag(org.apache.druid.query.context.ResponseContext context, javax.ws.rs.core.Response.ResponseBuilder builder)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

protected static final org.apache.druid.java.util.emitter.EmittingLogger log

NO_STACK_LOGGER

public static final org.apache.druid.java.util.emitter.EmittingLogger NO_STACK_LOGGER

APPLICATION_SMILE

@Deprecated
protected static final String APPLICATION_SMILE

Deprecated.

See Also:

Constant Field Values

HEADER_RESPONSE_CONTEXT

public static final String HEADER_RESPONSE_CONTEXT

HTTP response header name containing ResponseContext serialized string

See Also:

Constant Field Values

HEADER_IF_NONE_MATCH

public static final String HEADER_IF_NONE_MATCH

See Also:

Constant Field Values

QUERY_ID_RESPONSE_HEADER

public static final String QUERY_ID_RESPONSE_HEADER

See Also:

Constant Field Values

HEADER_ETAG

public static final String HEADER_ETAG

See Also:

Constant Field Values

queryLifecycleFactory

protected final QueryLifecycleFactory queryLifecycleFactory

jsonMapper

protected final com.fasterxml.jackson.databind.ObjectMapper jsonMapper

smileMapper

protected final com.fasterxml.jackson.databind.ObjectMapper smileMapper

serializeDateTimeAsLongJsonMapper

protected final com.fasterxml.jackson.databind.ObjectMapper serializeDateTimeAsLongJsonMapper

serializeDateTimeAsLongSmileMapper

protected final com.fasterxml.jackson.databind.ObjectMapper serializeDateTimeAsLongSmileMapper

queryScheduler

protected final QueryScheduler queryScheduler

authorizerMapper

protected final AuthorizerMapper authorizerMapper

Constructor Detail

QueryResource

@Inject
public QueryResource(QueryLifecycleFactory queryLifecycleFactory,
                     com.fasterxml.jackson.databind.ObjectMapper jsonMapper,
                     com.fasterxml.jackson.databind.ObjectMapper smileMapper,
                     QueryScheduler queryScheduler,
                     AuthConfig authConfig,
                     AuthorizerMapper authorizerMapper,
                     ResponseContextConfig responseContextConfig,
                     DruidNode selfNode)

Method Detail

cancelQuery

public javax.ws.rs.core.Response cancelQuery(String queryId,
                                             @Context
                                             javax.servlet.http.HttpServletRequest req)

doPost

@Nullable
public javax.ws.rs.core.Response doPost(InputStream in,
                                        String pretty,
                                        @Context
                                        javax.servlet.http.HttpServletRequest req)
                                 throws IOException

Throws:

IOException

serializeDataTimeAsLong

protected com.fasterxml.jackson.databind.ObjectMapper serializeDataTimeAsLong(com.fasterxml.jackson.databind.ObjectMapper mapper)

createResourceIOReaderWriter

protected QueryResource.ResourceIOReaderWriter createResourceIOReaderWriter(javax.servlet.http.HttpServletRequest req,
                                                                            boolean pretty)

getSuccessfulQueryCount

public long getSuccessfulQueryCount()

Description copied from interface: QueryCountStatsProvider

Returns the number of successful queries processed during the emission period.

Specified by:

getSuccessfulQueryCount in interface QueryCountStatsProvider

getFailedQueryCount

public long getFailedQueryCount()

Description copied from interface: QueryCountStatsProvider

Returns the number of failed queries during the emission period.

Specified by:

getFailedQueryCount in interface QueryCountStatsProvider

getInterruptedQueryCount

public long getInterruptedQueryCount()

Description copied from interface: QueryCountStatsProvider

Returns the number of queries interrupted due to cancellation during the emission period.

Specified by:

getInterruptedQueryCount in interface QueryCountStatsProvider

getTimedOutQueryCount

public long getTimedOutQueryCount()

Description copied from interface: QueryCountStatsProvider

Returns the number of timed out queries during the emission period.

Specified by:

getTimedOutQueryCount in interface QueryCountStatsProvider

transferEntityTag

public static void transferEntityTag(org.apache.druid.query.context.ResponseContext context,
                                     javax.ws.rs.core.Response.ResponseBuilder builder)