Package org.apache.iotdb.db.service.basic

Class ServiceProvider

java.lang.Object

org.apache.iotdb.db.service.basic.ServiceProvider

Direct Known Subclasses:

StandaloneServiceProvider

public abstract class ServiceProvider
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	AUDIT_LOGGER
static IoTDBConfig	CONFIG
static org.apache.iotdb.service.rpc.thrift.TSProtocolVersion	CURRENT_RPC_VERSION
protected IPlanExecutor	executor
static QueryFrequencyRecorder	QUERY_FREQUENCY_RECORDER
static QueryTimeManager	QUERY_TIME_MANAGER
static SessionManager	SESSION_MANAGER
static org.slf4j.Logger	SLOW_SQL_LOGGER
static TracingManager	TRACING_MANAGER

Constructor Summary

Constructors

Constructor	Description
ServiceProvider(PlanExecutor executor)

Method Summary

Modifier and Type	Method	Description
org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet	createQueryDataSet(QueryContext context, PhysicalPlan physicalPlan, int fetchSize)	create QueryDataSet and buffer it for fetchResults
abstract boolean	executeNonQuery(PhysicalPlan plan)
abstract QueryContext	genQueryContext(long queryId, boolean debug, long startTime, java.lang.String statement, long timeout)
IPlanExecutor	getExecutor()
Planner	getPlanner()

Methods inherited from class java.lang.Object

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

Field Detail

AUDIT_LOGGER

public static final org.slf4j.Logger AUDIT_LOGGER

SLOW_SQL_LOGGER

public static final org.slf4j.Logger SLOW_SQL_LOGGER

CURRENT_RPC_VERSION

public static final org.apache.iotdb.service.rpc.thrift.TSProtocolVersion CURRENT_RPC_VERSION

CONFIG

public static final IoTDBConfig CONFIG

SESSION_MANAGER

public static SessionManager SESSION_MANAGER

QUERY_TIME_MANAGER

public static final QueryTimeManager QUERY_TIME_MANAGER

TRACING_MANAGER

public static final TracingManager TRACING_MANAGER

QUERY_FREQUENCY_RECORDER

public static final QueryFrequencyRecorder QUERY_FREQUENCY_RECORDER

executor

protected final IPlanExecutor executor

Constructor Detail

ServiceProvider

public ServiceProvider(PlanExecutor executor)
                throws QueryProcessException

Throws:

QueryProcessException

Method Detail

getPlanner

public Planner getPlanner()

getExecutor

public IPlanExecutor getExecutor()

genQueryContext

public abstract QueryContext genQueryContext(long queryId,
                                             boolean debug,
                                             long startTime,
                                             java.lang.String statement,
                                             long timeout)

executeNonQuery

public abstract boolean executeNonQuery(PhysicalPlan plan)
                                 throws QueryProcessException,
                                        StorageGroupNotSetException,
                                        StorageEngineException

Throws:

QueryProcessException

StorageGroupNotSetException

StorageEngineException

createQueryDataSet

public org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet createQueryDataSet(QueryContext context,
                                                                                  PhysicalPlan physicalPlan,
                                                                                  int fetchSize)
                                                                           throws QueryProcessException,
                                                                                  org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException,
                                                                                  StorageEngineException,
                                                                                  java.io.IOException,
                                                                                  org.apache.iotdb.commons.exception.MetadataException,
                                                                                  java.sql.SQLException,
                                                                                  org.apache.thrift.TException,
                                                                                  java.lang.InterruptedException

create QueryDataSet and buffer it for fetchResults

Throws:

QueryProcessException

org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException

StorageEngineException

java.io.IOException

org.apache.iotdb.commons.exception.MetadataException

java.sql.SQLException

org.apache.thrift.TException

java.lang.InterruptedException