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

Class MNodeAboveSGCollector<T>

java.lang.Object

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

org.apache.iotdb.db.metadata.mtree.traverser.collector.CollectorTraverser<T>

org.apache.iotdb.db.metadata.mtree.traverser.collector.MNodeCollector<T>

org.apache.iotdb.db.metadata.mtree.traverser.collector.MNodeAboveSGCollector<T>

public abstract class MNodeAboveSGCollector<T>
extends MNodeCollector<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.Set<org.apache.iotdb.commons.path.PartialPath>	involvedStorageGroupMNodes

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

storageGroupFilter, targetLevel

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

count, curOffset, hasLimit, limit, offset, resultSet

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
MNodeAboveSGCollector(IMNode startNode, org.apache.iotdb.commons.path.PartialPath path, IMTreeStore store)

Method Summary

Modifier and Type	Method	Description
java.util.Set<org.apache.iotdb.commons.path.PartialPath>	getInvolvedStorageGroupMNodes()
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)

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

setStorageGroupFilter, setTargetLevel, transferToResult, traverse

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

getCurOffset, getResult, setLimit, setOffset, setResultSet

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

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

Methods inherited from class java.lang.Object

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

Field Detail

involvedStorageGroupMNodes

protected java.util.Set<org.apache.iotdb.commons.path.PartialPath> involvedStorageGroupMNodes

Constructor Detail

MNodeAboveSGCollector

public MNodeAboveSGCollector(IMNode startNode,
                             org.apache.iotdb.commons.path.PartialPath path,
                             IMTreeStore store)
                      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)

Description copied from class: Traverser

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

Overrides:

processInternalMatchedMNode in class MNodeCollector<T>

Returns:

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

processFullMatchedMNode

protected boolean processFullMatchedMNode(IMNode node,
                                          int idx,
                                          int level)

Description copied from class: Traverser

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

Overrides:

processFullMatchedMNode in class MNodeCollector<T>

Returns:

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

getInvolvedStorageGroupMNodes

public java.util.Set<org.apache.iotdb.commons.path.PartialPath> getInvolvedStorageGroupMNodes()