org.apache.iotdb.db.engine.cq

类 ContinuousQueryTask

java.lang.Object

org.apache.iotdb.db.concurrent.WrappedRunnable

org.apache.iotdb.db.engine.cq.ContinuousQueryTask

所有已实现的接口:

Runnable

直接已知子类:

ContinuousQuerySchemaCheckTask

public class ContinuousQueryTask
extends WrappedRunnable

字段概要

字段

限定符和类型	字段和说明
protected CreateContinuousQueryPlan	continuousQueryPlan
protected static int	EXECUTION_BATCH_SIZE
protected static org.slf4j.Logger	LOGGER
protected static Pattern	PATH_NODE_NAME_PATTERN
protected ServiceProvider	serviceProvider
protected long	windowEndTimestamp

构造器概要

构造器

构造器和说明
ContinuousQueryTask(CreateContinuousQueryPlan continuousQueryPlan, long windowEndTimestamp)

方法概要

限定符和类型	方法和说明
protected void	doInsert(String sql, QueryOperator queryOperator, GroupByTimePlan queryPlan, QueryDataSet queryDataSet)
protected String	fillTargetPathTemplate(PartialPath rawPath)
protected String	generateSQL()
protected List<PartialPath>	generateTargetPaths(List<Path> rawPaths)
void	onRejection()
void	runMayThrow()

从类继承的方法 org.apache.iotdb.db.concurrent.WrappedRunnable

run

从类继承的方法 java.lang.Object

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

字段详细资料

LOGGER

protected static final org.slf4j.Logger LOGGER

PATH_NODE_NAME_PATTERN

protected static final Pattern PATH_NODE_NAME_PATTERN

EXECUTION_BATCH_SIZE

protected static final int EXECUTION_BATCH_SIZE

另请参阅:

常量字段值

serviceProvider

protected final ServiceProvider serviceProvider

continuousQueryPlan

protected final CreateContinuousQueryPlan continuousQueryPlan

windowEndTimestamp

protected final long windowEndTimestamp

构造器详细资料

ContinuousQueryTask

public ContinuousQueryTask(CreateContinuousQueryPlan continuousQueryPlan,
                           long windowEndTimestamp)

方法详细资料

runMayThrow

public void runMayThrow()
                 throws QueryProcessException,
                        StorageEngineException,
                        IOException,
                        InterruptedException,
                        QueryFilterOptimizationException,
                        MetadataException,
                        org.apache.thrift.TException,
                        SQLException

指定者:

runMayThrow 在类中 WrappedRunnable

抛出:

QueryProcessException

StorageEngineException

IOException

InterruptedException

QueryFilterOptimizationException

MetadataException

org.apache.thrift.TException

SQLException

generateSQL

protected String generateSQL()

doInsert

protected void doInsert(String sql,
                        QueryOperator queryOperator,
                        GroupByTimePlan queryPlan,
                        QueryDataSet queryDataSet)
                 throws MetadataException,
                        QueryProcessException,
                        StorageEngineException,
                        IOException

抛出:

MetadataException

QueryProcessException

StorageEngineException

IOException

generateTargetPaths

protected List<PartialPath> generateTargetPaths(List<Path> rawPaths)
                                         throws IllegalPathException

抛出:

IllegalPathException

fillTargetPathTemplate

protected String fillTargetPathTemplate(PartialPath rawPath)

onRejection

public void onRejection()