Package org.opendaylight.yangtools.transform

Class QNameTransformingStreamWriter

java.lang.Object

com.google.common.collect.ForwardingObject

org.opendaylight.yangtools.yang.data.api.schema.stream.ForwardingNormalizedNodeStreamWriter

org.opendaylight.yangtools.transform.QNameTransformingStreamWriter

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, ExtensibleObject<NormalizedNodeStreamWriter,NormalizedNodeStreamWriter.Extension>, NormalizedNodeStreamWriter

public abstract class QNameTransformingStreamWriter
extends ForwardingNormalizedNodeStreamWriter

Stateless Normalized Node Stream Writer decorator, which performs QName translation.

This class serves as base for Normalized Node Stream Writer decorators with option to transform QNames by user-implemented transform(QName) function.

Nested Class Summary

Nested classes/interfaces inherited from interface org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter

NormalizedNodeStreamWriter.Extension, NormalizedNodeStreamWriter.MetadataExtension, NormalizedNodeStreamWriter.MountPointExtension

Field Summary

Fields inherited from interface org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter

UNKNOWN_SIZE

Constructor Summary

Constructors

Constructor	Description
QNameTransformingStreamWriter()

Method Summary

Modifier and Type	Method	Description
static NormalizedNodeStreamWriter	createQNameModuleReplacing(NormalizedNodeStreamWriter delegate, Map<QNameModule,QNameModule> mapping)	Returns decorator, which uses supplied map to transform QNameModules.
static NormalizedNodeStreamWriter	createQNameReplacing(NormalizedNodeStreamWriter delegate, Map<QName,QName> mapping)	Returns decorator, which uses supplied map to transform QNames.
static NormalizedNodeStreamWriter	fromFunction(NormalizedNodeStreamWriter delegate, Function<QName,QName> transformation)	Returns decorator, which uses supplied function to transform QNames.
void	scalarValue(Object value)	Set the value of current node.
boolean	startAnyxmlNode(YangInstanceIdentifier.NodeIdentifier name, Class<?> objectModel)	Emits a start of anyxml node event.
void	startChoiceNode(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits start of a choice node event.
void	startContainerNode(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits start of new container.
void	startLeafNode(YangInstanceIdentifier.NodeIdentifier name)	Emits a start of leaf node event.
void	startLeafSet(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits a start of system-ordered leaf set (leaf-list).
void	startLeafSetEntryNode(YangInstanceIdentifier.NodeWithValue<?> name)	Emits a leaf set entry node.
void	startMapEntryNode(YangInstanceIdentifier.NodeIdentifierWithPredicates identifier, int childSizeHint)	Emits start of map entry.
void	startMapNode(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits start of map node event.
void	startOrderedLeafSet(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits a start of a user-ordered leaf set (leaf-list).
void	startOrderedMapNode(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits start of map node event.
void	startUnkeyedList(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits start of unkeyed list node event.
void	startUnkeyedListItem(YangInstanceIdentifier.NodeIdentifier name, int childSizeHint)	Emits start of new unkeyed list item.
protected abstract @NonNull QName	transform(@NonNull QName key)	Transforms a QName to new mapping.

Methods inherited from class org.opendaylight.yangtools.yang.data.api.schema.stream.ForwardingNormalizedNodeStreamWriter

close, delegate, domSourceValue, endNode, extension, flush, startAnydataNode, supportedExtensions

Methods inherited from class com.google.common.collect.ForwardingObject

toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opendaylight.yangtools.concepts.ExtensibleObject

findExtension

Methods inherited from interface org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter

nextDataSchemaNode

Constructor Details

QNameTransformingStreamWriter

public QNameTransformingStreamWriter()

Method Details

fromFunction

public static NormalizedNodeStreamWriter fromFunction(NormalizedNodeStreamWriter delegate,
 Function<QName,QName> transformation)

Returns decorator, which uses supplied function to transform QNames.

Parameters:

delegate - Underlying normalized node stream writer

transformation - Transformation function, function is required to return non-null values.

Returns:

decorator, which uses supplied function to transform QNames.

createQNameReplacing

public static NormalizedNodeStreamWriter createQNameReplacing(NormalizedNodeStreamWriter delegate,
 Map<QName,QName> mapping)

Returns decorator, which uses supplied map to transform QNames. QNames not present in map are left unchanged.

Parameters:

delegate - Underlying normalized node stream writer

mapping - Immutable map which represent mapping from original to new values.

Returns:

decorator, which uses supplied mapping to transform QNames.

createQNameModuleReplacing

public static NormalizedNodeStreamWriter createQNameModuleReplacing(NormalizedNodeStreamWriter delegate,
 Map<QNameModule,QNameModule> mapping)

Returns decorator, which uses supplied map to transform QNameModules. QNameModules not present in map are left unchanged.

Parameters:

delegate - Underlying normalized node stream writer

mapping - Immutable map which represent mapping from original to new values.

Returns:

decorator, which uses supplied mapping to transform QNameModules.

startLeafNode

public void startLeafNode(YangInstanceIdentifier.NodeIdentifier name)
                   throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits a start of leaf node event.

Specified by:

startLeafNode in interface NormalizedNodeStreamWriter

Overrides:

startLeafNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

Throws:

IOException - if an underlying IO error occurs

startLeafSet

public void startLeafSet(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                  throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits a start of system-ordered leaf set (leaf-list). While this entity is open, only NormalizedNodeStreamWriter.startLeafSetEntryNode(NodeWithValue) calls are valid. Implementations are free to reorder entries within the leaf-list.

Specified by:

startLeafSet in interface NormalizedNodeStreamWriter

Overrides:

startLeafSet in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startOrderedLeafSet

public void startOrderedLeafSet(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                         throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits a start of a user-ordered leaf set (leaf-list). While this entity is open, only NormalizedNodeStreamWriter.startLeafSetEntryNode(NodeWithValue) calls are valid. Implementations must retain the same entry order.

Specified by:

startOrderedLeafSet in interface NormalizedNodeStreamWriter

Overrides:

startOrderedLeafSet in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startLeafSetEntryNode

public void startLeafSetEntryNode(YangInstanceIdentifier.NodeWithValue<?> name)
                           throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits a leaf set entry node.

Specified by:

startLeafSetEntryNode in interface NormalizedNodeStreamWriter

Overrides:

startLeafSetEntryNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of the node as defined in the schema.

Throws:

IOException - if an underlying IO error occurs

startContainerNode

public void startContainerNode(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                        throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of new container. Valid sub-events are:

• NormalizedNodeStreamWriter.startLeafNode(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier)
• NormalizedNodeStreamWriter.startAnyxmlNode(NodeIdentifier, Class)
• NormalizedNodeStreamWriter.startContainerNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startChoiceNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startLeafSet(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startMapNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startUnkeyedList(NodeIdentifier, int)

Specified by:

startContainerNode in interface NormalizedNodeStreamWriter

Overrides:

startContainerNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startUnkeyedList

public void startUnkeyedList(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                      throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of unkeyed list node event. Valid subevents is only NormalizedNodeStreamWriter.startUnkeyedListItem(NodeIdentifier, int).

Specified by:

startUnkeyedList in interface NormalizedNodeStreamWriter

Overrides:

startUnkeyedList in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startUnkeyedListItem

public void startUnkeyedListItem(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                          throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of new unkeyed list item. Valid sub-events are:

• NormalizedNodeStreamWriter.startLeafNode(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier)
• NormalizedNodeStreamWriter.startContainerNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startChoiceNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startLeafSet(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startMapNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startUnkeyedList(NodeIdentifier, int)

Specified by:

startUnkeyedListItem in interface NormalizedNodeStreamWriter

Overrides:

startUnkeyedListItem in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - Identifier of node

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startMapNode

public void startMapNode(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                  throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of map node event. Valid subevent is only NormalizedNodeStreamWriter.startMapEntryNode(NodeIdentifierWithPredicates, int).

Specified by:

startMapNode in interface NormalizedNodeStreamWriter

Overrides:

startMapNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startMapEntryNode

public void startMapEntryNode(YangInstanceIdentifier.NodeIdentifierWithPredicates identifier,
 int childSizeHint)
                       throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of map entry. Valid sub-events are:

• NormalizedNodeStreamWriter.startLeafNode(org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier)
• NormalizedNodeStreamWriter.startContainerNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startChoiceNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startLeafSet(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startMapNode(NodeIdentifier, int)
• NormalizedNodeStreamWriter.startUnkeyedList(NodeIdentifier, int)

Specified by:

startMapEntryNode in interface NormalizedNodeStreamWriter

Overrides:

startMapEntryNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

identifier - QName to value pairs of keys of map entry node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startOrderedMapNode

public void startOrderedMapNode(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                         throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of map node event. Valid subevent is only NormalizedNodeStreamWriter.startMapEntryNode(NodeIdentifierWithPredicates, int).

Specified by:

startOrderedMapNode in interface NormalizedNodeStreamWriter

Overrides:

startOrderedMapNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startChoiceNode

public void startChoiceNode(YangInstanceIdentifier.NodeIdentifier name,
 int childSizeHint)
                     throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits start of a choice node event.

Specified by:

startChoiceNode in interface NormalizedNodeStreamWriter

Overrides:

startChoiceNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

childSizeHint - Non-negative count of expected direct child nodes or NormalizedNodeStreamWriter.UNKNOWN_SIZE if count is unknown. This is only hint and should not fail writing of child events, if there are more events than count.

Throws:

IOException - if an underlying IO error occurs

startAnyxmlNode

public boolean startAnyxmlNode(YangInstanceIdentifier.NodeIdentifier name,
 Class<?> objectModel)
                        throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Emits a start of anyxml node event.

Specified by:

startAnyxmlNode in interface NormalizedNodeStreamWriter

Overrides:

startAnyxmlNode in class ForwardingNormalizedNodeStreamWriter

Parameters:

name - name of node as defined in schema, namespace and revision are derived from parent node.

objectModel - The object model of anyxml content

Returns:

True if the specified object model is supported by this extension and the process of emitting the node has started. False if the object model is not supported and the node has not started to be emitted.

Throws:

IOException - if an underlying IO error occurs

scalarValue

public void scalarValue(Object value)
                 throws IOException

Description copied from interface: NormalizedNodeStreamWriter

Set the value of current node. This call is only valid within the context in which a value-bearing node is open, such as a LeafNode, LeafSetEntryNode.

Specified by:

scalarValue in interface NormalizedNodeStreamWriter

Overrides:

scalarValue in class ForwardingNormalizedNodeStreamWriter

Parameters:

value - node value, must be effectively immutable

Throws:

IOException - if an underlying IO error occurs

transform

protected abstract @NonNull QName transform(@NonNull QName key)

Transforms a QName to new mapping.

NOTE: If QName should be unchanged implementation needs to return original QName.

Parameters:

key - QName to transform.

Returns:

Returns new value of QName.