Module de.haumacher.msgbuf

Package de.haumacher.msgbuf.graph

Interface ScopeMixin

All Superinterfaces:

Scope

All Known Implementing Classes:

DefaultScope

public interface ScopeMixin
extends Scope

Scope implementation that can be mixed in to another class.

Author:

Bernhard Haumacher

Method Summary

Modifier and Type	Method	Description
default void	enter(SharedGraphNode node, int id)	Assigns the given ID to the given node.
int	id(SharedGraphNode node)	Looks up the ID of the given node in this Scope.
Map<Object,SharedGraphNode>	index()	The index implementation associating object with IDs.
void	initId(SharedGraphNode node, int id)	Assigns the given ID to the given node.
int	newId()	Creates a fresh ID.
default void	readData(SharedGraphNode node, int id, JsonReader in)	Reads object data of the given node and assigns the given ID to this node.
default SharedGraphNode	resolveOrFail(int id)	Looks up the object with the given ID.
default void	writeRefOrData(JsonWriter out, SharedGraphNode node)	Writes the given graph node to the given writer.

Method Detail

resolveOrFail

default SharedGraphNode resolveOrFail(int id)

Description copied from interface: Scope

Looks up the object with the given ID.

Specified by:

resolveOrFail in interface Scope

Parameters:

id - The ID of the requested object.

Returns:

The object with the given ID.

enter

default void enter(SharedGraphNode node,
                   int id)

Assigns the given ID to the given node.

readData

default void readData(SharedGraphNode node,
                      int id,
                      JsonReader in)
               throws IOException

Description copied from interface: Scope

Reads object data of the given node and assigns the given ID to this node.

Specified by:

readData in interface Scope

Parameters:

node - The node to read data for.

id - The ID to assign ot the given node.

Throws:

IOException

writeRefOrData

default void writeRefOrData(JsonWriter out,
                            SharedGraphNode node)
                     throws IOException

Description copied from interface: Scope

Writes the given graph node to the given writer.

If the node has already an ID in this scope, only the ID is transmitted as plain numeric value. Otherwise, a fresh ID is assigned to the node and the the full data of the given node is transmitted (by calling back to SharedGraphNode.writeData(Scope, JsonWriter, int)).

Specified by:

writeRefOrData in interface Scope

Parameters:

out - The JsonWriter to write to.

node - The graph node to transmit.

Throws:

IOException

id

int id(SharedGraphNode node)

Looks up the ID of the given node in this Scope.

See Also:

initId(SharedGraphNode, int)

initId

void initId(SharedGraphNode node,
            int id)

Assigns the given ID to the given node.

See Also:

id(SharedGraphNode)

newId

int newId()

Creates a fresh ID.

index

Map<Object,SharedGraphNode> index()

The index implementation associating object with IDs.