Package org.qubership.atp.dataset.model.utils

Class AbstractDsUiHandler

java.lang.Object

org.qubership.atp.dataset.model.utils.AbstractDsUiHandler

All Implemented Interfaces:

TraverseHandler<DataSet,Attribute>, TraverseVisitor<DataSet,Attribute>

Direct Known Subclasses:

DsAttrPathUiHandler

public abstract class AbstractDsUiHandler
extends Object
implements TraverseVisitor<DataSet,Attribute>

Field Summary

Fields

Modifier and Type	Field	Description
protected Attribute	curAttr
protected DataSet	curDs
protected DataSetList	curDsl
protected int	dslDepth

Constructor Summary

Constructors

Constructor	Description
AbstractDsUiHandler()

Method Summary

Modifier and Type	Method	Description
protected void	attributeEnds()
protected void	attributeStarts(Attribute attr)
TraverseVisitor<?,DataSet>	backToPreviousParent()	Invoked when iteration goes upper to parents in a tree hierarchy.
protected void	dslEnds()
protected void	dslStarts(DataSetList dsl)
TraverseVisitor<Attribute,?>	forwardToNewParent(DataSet parent)	Invoked when iteration goes deeper to children which becomes new parent in a tree hierarchy.
protected Iterator<? extends DataSetList>	getChildren(Attribute item)
Iterator<? extends Attribute>	getChildren(DataSet item)	Explains how to get children from parent.
protected Iterator<? extends Attribute>	getChildren(DataSetList item)
protected void	goBackFromAttribute()	Not invoked for leafs.
protected void	goBackFromDsl()	Not invoked for leafs.
protected void	goForwardUnderAttribute()	Not invoked for leafs.
protected void	goForwardUnderDsl()	Not invoked for leafs.
void	notifyChildrenProcessed()	Not invoked for leafs.
void	notifyItemEnds()
void	notifyItemStarts(DataSet item)
void	notifyProcessingChildren()	Not invoked for leafs.

Methods inherited from class java.lang.Object

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

Field Details

curDs

protected DataSet curDs

curDsl

protected DataSetList curDsl

curAttr

protected Attribute curAttr

dslDepth

protected int dslDepth

Constructor Details

AbstractDsUiHandler

public AbstractDsUiHandler()

Method Details

attributeStarts

protected void attributeStarts(Attribute attr)

goForwardUnderAttribute

protected void goForwardUnderAttribute()

Not invoked for leafs.

goBackFromAttribute

protected void goBackFromAttribute()

Not invoked for leafs.

attributeEnds

protected void attributeEnds()

getChildren

@Nullable
protected Iterator<? extends DataSetList> getChildren(@Nonnull
 Attribute item)

getChildren

@Nullable
protected Iterator<? extends Attribute> getChildren(@Nonnull
 DataSetList item)

getChildren

@Nullable
public Iterator<? extends Attribute> getChildren(@Nonnull
 DataSet item)

Description copied from interface: TraverseHandler

Explains how to get children from parent. May return null. Invoked when iteration goes deeper.

Specified by:

getChildren in interface TraverseHandler<DataSet,Attribute>

Parameters:

item - go get children from

Returns:

children

dslStarts

protected void dslStarts(DataSetList dsl)

goForwardUnderDsl

protected void goForwardUnderDsl()

Not invoked for leafs.

goBackFromDsl

protected void goBackFromDsl()

Not invoked for leafs.

dslEnds

protected void dslEnds()

notifyItemStarts

public void notifyItemStarts(DataSet item)

Specified by:

notifyItemStarts in interface TraverseVisitor<DataSet,Attribute>

notifyProcessingChildren

public void notifyProcessingChildren()

Description copied from interface: TraverseVisitor

Not invoked for leafs.

Specified by:

notifyProcessingChildren in interface TraverseVisitor<DataSet,Attribute>

notifyChildrenProcessed

public void notifyChildrenProcessed()

Description copied from interface: TraverseVisitor

Not invoked for leafs.

Specified by:

notifyChildrenProcessed in interface TraverseVisitor<DataSet,Attribute>

notifyItemEnds

public void notifyItemEnds()

Specified by:

notifyItemEnds in interface TraverseVisitor<DataSet,Attribute>

backToPreviousParent

@Nonnull
public TraverseVisitor<?,DataSet> backToPreviousParent()

Description copied from interface: TraverseHandler

Invoked when iteration goes upper to parents in a tree hierarchy.

Specified by:

backToPreviousParent in interface TraverseHandler<DataSet,Attribute>

Specified by:

backToPreviousParent in interface TraverseVisitor<DataSet,Attribute>

Returns:

handler of previous depth.

forwardToNewParent

@Nonnull
public TraverseVisitor<Attribute,?> forwardToNewParent(@Nonnull
 DataSet parent)

Description copied from interface: TraverseHandler

Invoked when iteration goes deeper to children which becomes new parent in a tree hierarchy.

Specified by:

forwardToNewParent in interface TraverseHandler<DataSet,Attribute>

Specified by:

forwardToNewParent in interface TraverseVisitor<DataSet,Attribute>

Returns:

handler of deeper depth level.