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

Class StorageGroupCollector<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.StorageGroupCollector<T>

public abstract class StorageGroupCollector<T>
extends CollectorTraverser<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	collectInternal

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

Method Summary

Modifier and Type	Method	Description
protected abstract void	collectStorageGroup(IStorageGroupMNode node)
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	setCollectInternal(boolean collectInternal)

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

getCurOffset, getResult, setLimit, setOffset, setResultSet, traverse

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

collectInternal

protected boolean collectInternal

Constructor Detail

StorageGroupCollector

public StorageGroupCollector(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)

Specified by:

processInternalMatchedMNode in class Traverser

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)

Specified by:

processFullMatchedMNode in class Traverser

Returns:

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

collectStorageGroup

protected abstract void collectStorageGroup(IStorageGroupMNode node)

setCollectInternal

public void setCollectInternal(boolean collectInternal)