Package org.apache.iotdb.db.metadata.mtree.traverser.counter

Class MeasurementGroupByLevelCounter

java.lang.Object

org.apache.iotdb.db.metadata.mtree.traverser.Traverser

org.apache.iotdb.db.metadata.mtree.traverser.counter.MeasurementGroupByLevelCounter

public class MeasurementGroupByLevelCounter
extends Traverser

Field Summary

Fields inherited from class org.apache.iotdb.db.metadata.mtree.traverser.Traverser

isInTemplate, isPrefixMatch, isPrefixStart, nodes, shouldTraverseTemplate, startIndex, startLevel, startNode, store, templateMap, traverseContext

Constructor Summary

Constructors

Constructor	Description
MeasurementGroupByLevelCounter(IMNode startNode, org.apache.iotdb.commons.path.PartialPath path, IMTreeStore store, int groupByLevel)
MeasurementGroupByLevelCounter(IMNode startNode, org.apache.iotdb.commons.path.PartialPath path, IMTreeStore store, int groupByLevel, java.util.List<java.lang.String> timeseries, boolean hasTag)

Method Summary

Modifier and Type	Method	Description
java.util.Map<org.apache.iotdb.commons.path.PartialPath,java.lang.Integer>	getResult()
protected boolean	processFullMatchedMNode(IMNode node, int idx, int level)	full match: root.sg.d full match root.sg.**(pattern)
protected boolean	processInternalMatchedMNode(IMNode node, int idx, int level)	internal match: root.sg internal match root.sg.**(pattern)
void	setResult(java.util.Map<org.apache.iotdb.commons.path.PartialPath,java.lang.Integer> result)

Methods inherited from class org.apache.iotdb.db.metadata.mtree.traverser.Traverser

getCurrentPartialPath, getCurrentPathNodes, getStorageGroupNodeInTraversePath, getUpperTemplate, processMultiLevelWildcard, processNameMatch, processOneLevelWildcard, setPrefixMatch, setTemplateMap, traverse, traverse

Methods inherited from class java.lang.Object

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

Constructor Detail

MeasurementGroupByLevelCounter

public MeasurementGroupByLevelCounter(IMNode startNode,
                                      org.apache.iotdb.commons.path.PartialPath path,
                                      IMTreeStore store,
                                      int groupByLevel)
                               throws org.apache.iotdb.commons.exception.MetadataException

Throws:

org.apache.iotdb.commons.exception.MetadataException

MeasurementGroupByLevelCounter

public MeasurementGroupByLevelCounter(IMNode startNode,
                                      org.apache.iotdb.commons.path.PartialPath path,
                                      IMTreeStore store,
                                      int groupByLevel,
                                      java.util.List<java.lang.String> timeseries,
                                      boolean hasTag)
                               throws org.apache.iotdb.commons.exception.MetadataException

Throws:

org.apache.iotdb.commons.exception.MetadataException

Method Detail

processInternalMatchedMNode

protected boolean processInternalMatchedMNode(IMNode node,
                                              int idx,
                                              int level)
                                       throws org.apache.iotdb.commons.exception.MetadataException

Description copied from class: Traverser

internal match: root.sg internal match root.sg.**(pattern)

Specified by:

processInternalMatchedMNode in class Traverser

Returns:

whether this branch of recursive traversal should stop; if true, stop

Throws:

org.apache.iotdb.commons.exception.MetadataException

processFullMatchedMNode

protected boolean processFullMatchedMNode(IMNode node,
                                          int idx,
                                          int level)
                                   throws org.apache.iotdb.commons.exception.MetadataException

Description copied from class: Traverser

full match: root.sg.d full match root.sg.**(pattern)

Specified by:

processFullMatchedMNode in class Traverser

Returns:

whether this branch of recursive traversal should stop; if true, stop

Throws:

org.apache.iotdb.commons.exception.MetadataException

getResult

public java.util.Map<org.apache.iotdb.commons.path.PartialPath,java.lang.Integer> getResult()

setResult

public void setResult(java.util.Map<org.apache.iotdb.commons.path.PartialPath,java.lang.Integer> result)