Package org.apache.iotdb.db.mpp.plan.planner.plan.node.process

Class MultiChildNode

java.lang.Object

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

org.apache.iotdb.db.mpp.plan.planner.plan.node.process.ProcessNode

org.apache.iotdb.db.mpp.plan.planner.plan.node.process.MultiChildNode

All Implemented Interfaces:

org.apache.iotdb.consensus.common.request.IConsensusRequest

Direct Known Subclasses:

AggregationNode, DeviceMergeNode, DeviceViewNode, GroupByLevelNode, LastQueryCollectNode, LastQueryMergeNode, LastQueryNode, SchemaQueryOrderByHeatNode, TimeJoinNode

public abstract class MultiChildNode
extends ProcessNode

Field Summary

Fields

Modifier and Type	Field	Description
protected java.util.List<PlanNode>	children

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
MultiChildNode(PlanNodeId id)
MultiChildNode(PlanNodeId id, java.util.List<PlanNode> children)

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
int	hashCode()
void	setChildren(java.util.List<PlanNode> children)

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

accept, addChild, allowedChildCount, clone, cloneWithChildren, getChildren, getOutputColumnNames, getPlanNodeId, serialize, serialize, serializeAttributes, serializeAttributes, serializeToByteBuffer, setPlanNodeId

Methods inherited from class java.lang.Object

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

Field Detail

children

protected java.util.List<PlanNode> children

Constructor Detail

MultiChildNode

public MultiChildNode(PlanNodeId id,
                      java.util.List<PlanNode> children)

MultiChildNode

public MultiChildNode(PlanNodeId id)

Method Detail

setChildren

public void setChildren(java.util.List<PlanNode> children)

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class PlanNode

hashCode

public int hashCode()

Overrides:

hashCode in class PlanNode