Package org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read

Class DevicesCountNode

java.lang.Object

org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.source.SourceNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read.SchemaQueryScanNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read.DevicesCountNode

All Implemented Interfaces:

java.lang.AutoCloseable, org.apache.iotdb.consensus.common.request.IConsensusRequest, IPartitionRelatedNode

public class DevicesCountNode
extends SchemaQueryScanNode

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read.SchemaQueryScanNode

isPrefixPath, limit, offset, path

Fields inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode

CHILD_COUNT_NO_LIMIT, NO_CHILD_ALLOWED, ONE_CHILD

Constructor Summary

Constructors

Constructor	Description
DevicesCountNode(PlanNodeId id, org.apache.iotdb.commons.path.PartialPath partialPath, boolean isPrefixPath)

Method Summary

Modifier and Type	Method	Description
PlanNode	clone()
static PlanNode	deserialize(java.nio.ByteBuffer buffer)
java.util.List<java.lang.String>	getOutputColumnNames()
protected void	serializeAttributes(java.io.DataOutputStream stream)
protected void	serializeAttributes(java.nio.ByteBuffer byteBuffer)

Methods inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read.SchemaQueryScanNode

accept, addChild, allowedChildCount, close, equals, getChildren, getLimit, getOffset, getPath, getRegionReplicaSet, hashCode, isHasLimit, isPrefixPath, open, setHasLimit, setLimit, setOffset, setPath, setRegionReplicaSet, toString

Methods inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode

cloneWithChildren, getPlanNodeId, serialize, serialize, serializeToByteBuffer, setPlanNodeId

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DevicesCountNode

public DevicesCountNode(PlanNodeId id,
                        org.apache.iotdb.commons.path.PartialPath partialPath,
                        boolean isPrefixPath)

Method Detail

clone

public PlanNode clone()

Specified by:

clone in class PlanNode

getOutputColumnNames

public java.util.List<java.lang.String> getOutputColumnNames()

Specified by:

getOutputColumnNames in class PlanNode

serializeAttributes

protected void serializeAttributes(java.nio.ByteBuffer byteBuffer)

Specified by:

serializeAttributes in class PlanNode

serializeAttributes

protected void serializeAttributes(java.io.DataOutputStream stream)
                            throws java.io.IOException

Specified by:

serializeAttributes in class PlanNode

Throws:

java.io.IOException

deserialize

public static PlanNode deserialize(java.nio.ByteBuffer buffer)