Package org.apache.iotdb.db.engine.cq

Class ContinuousQueryTask

java.lang.Object

org.apache.iotdb.commons.concurrent.WrappedRunnable

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

All Implemented Interfaces:

java.lang.Runnable

Direct Known Subclasses:

ContinuousQuerySchemaCheckTask

public class ContinuousQueryTask
extends org.apache.iotdb.commons.concurrent.WrappedRunnable

Field Summary

Fields

Modifier and Type	Field	Description
protected CreateContinuousQueryPlan	continuousQueryPlan
protected static int	EXECUTION_BATCH_SIZE
protected static org.slf4j.Logger	LOGGER
protected static java.util.regex.Pattern	PATH_NODE_NAME_PATTERN
protected ServiceProvider	serviceProvider
protected long	windowEndTimestamp

Constructor Summary

Constructors

Constructor	Description
ContinuousQueryTask(CreateContinuousQueryPlan continuousQueryPlan, long windowEndTimestamp)

Method Summary

Modifier and Type	Method	Description
protected void	doInsert(java.lang.String sql, QueryOperator queryOperator, GroupByTimePlan queryPlan, org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet queryDataSet)
protected java.lang.String	fillTargetPathTemplate(org.apache.iotdb.commons.path.PartialPath rawPath)
protected java.lang.String	generateSQL()
protected java.util.List<org.apache.iotdb.commons.path.PartialPath>	generateTargetPaths(java.util.List<org.apache.iotdb.tsfile.read.common.Path> rawPaths)
void	onRejection()
void	runMayThrow()

Methods inherited from class org.apache.iotdb.commons.concurrent.WrappedRunnable

run, wrap

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final org.slf4j.Logger LOGGER

PATH_NODE_NAME_PATTERN

protected static final java.util.regex.Pattern PATH_NODE_NAME_PATTERN

EXECUTION_BATCH_SIZE

protected static final int EXECUTION_BATCH_SIZE

See Also:

Constant Field Values

serviceProvider

protected final ServiceProvider serviceProvider

continuousQueryPlan

protected final CreateContinuousQueryPlan continuousQueryPlan

windowEndTimestamp

protected final long windowEndTimestamp

Constructor Detail

ContinuousQueryTask

public ContinuousQueryTask(CreateContinuousQueryPlan continuousQueryPlan,
                           long windowEndTimestamp)

Method Detail

runMayThrow

public void runMayThrow()
                 throws QueryProcessException,
                        StorageEngineException,
                        java.io.IOException,
                        java.lang.InterruptedException,
                        org.apache.iotdb.tsfile.exception.filter.QueryFilterOptimizationException,
                        org.apache.iotdb.commons.exception.MetadataException,
                        org.apache.thrift.TException,
                        java.sql.SQLException

Specified by:

runMayThrow in class org.apache.iotdb.commons.concurrent.WrappedRunnable

Throws:

QueryProcessException

StorageEngineException

java.io.IOException

java.lang.InterruptedException

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

org.apache.iotdb.commons.exception.MetadataException

org.apache.thrift.TException

java.sql.SQLException

generateSQL

protected java.lang.String generateSQL()

doInsert

protected void doInsert(java.lang.String sql,
                        QueryOperator queryOperator,
                        GroupByTimePlan queryPlan,
                        org.apache.iotdb.tsfile.read.query.dataset.QueryDataSet queryDataSet)
                 throws org.apache.iotdb.commons.exception.MetadataException,
                        QueryProcessException,
                        StorageEngineException,
                        java.io.IOException

Throws:

org.apache.iotdb.commons.exception.MetadataException

QueryProcessException

StorageEngineException

java.io.IOException

generateTargetPaths

protected java.util.List<org.apache.iotdb.commons.path.PartialPath> generateTargetPaths(java.util.List<org.apache.iotdb.tsfile.read.common.Path> rawPaths)
                                                                                 throws org.apache.iotdb.commons.exception.IllegalPathException

Throws:

org.apache.iotdb.commons.exception.IllegalPathException

fillTargetPathTemplate

protected java.lang.String fillTargetPathTemplate(org.apache.iotdb.commons.path.PartialPath rawPath)
                                           throws org.apache.iotdb.commons.exception.IllegalPathException

Throws:

org.apache.iotdb.commons.exception.IllegalPathException

onRejection

public void onRejection()