Module de.haumacher.msgbuf

Package de.haumacher.msgbuf.graph.cmd

Class ListUpdate

java.lang.Object

de.haumacher.msgbuf.data.AbstractDataObject

de.haumacher.msgbuf.graph.cmd.Command

de.haumacher.msgbuf.graph.cmd.ListUpdate

All Implemented Interfaces:

BinaryDataObject, DataObject, ReflectiveDataObject, Observable

Direct Known Subclasses:

InsertElement, RemoveElement

public abstract class ListUpdate
extends Command

Base class for operations internally changing the values of repeated properties.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ListUpdate.Visitor<R,A,E extends Throwable>	Visitor interface for the ListUpdate hierarchy.

Nested classes/interfaces inherited from class de.haumacher.msgbuf.graph.cmd.Command

Command.TypeKind

Field Summary

Fields

Modifier and Type	Field	Description
static final String	INDEX
static final int	INDEX__ID	Identifier for the property getIndex() in binary format.
static final String	NEXT

Fields inherited from class de.haumacher.msgbuf.graph.cmd.Command

_listener, ID, ID__ID, NODE, PROPERTY, PROPERTY__ID

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ListUpdate()	Creates a ListUpdate instance.

Method Summary

Modifier and Type	Method	Description
Object	get(String field)	Retrieves value of the field with the given name.
final int	getIndex()	The list index that is modified.
final ListUpdate	getNext()	Pointer to chain updates for the same property.
final boolean	hasNext()	Checks, whether getNext() has a value.
List<String>	properties()	All properties that are supported by this object.
protected void	readField(DataReader in, int field)	Consumes the value for the field with the given ID and assigns its value.
protected void	readField(JsonReader in, String field)	Reads the given field from the given input.
static ListUpdate	readListUpdate(DataReader in)	Reads a new instance from the given reader.
static ListUpdate	readListUpdate(JsonReader in)	Reads a new instance from the given reader.
void	set(String field, Object value)	Sets the value of the property with the given name.
final ListUpdate	setIndex(int value)
final ListUpdate	setNext(ListUpdate value)
final <R, A, E extends Throwable> R	visit(Command.Visitor<R,A,E> v, A arg)	Accepts the given visitor.
abstract <R, A, E extends Throwable> R	visit(ListUpdate.Visitor<R,A,E> v, A arg)	Accepts the given visitor.
protected void	writeFields(DataWriter out)	Serializes all fields of this instance to the given binary output.
protected void	writeFields(JsonWriter out)	Writes all fields of this instance to the given output.

Methods inherited from class de.haumacher.msgbuf.graph.cmd.Command

getId, getNode, getProperty, hasNode, kind, readCommand, readCommand, registerListener, setId, setNode, setProperty, typeId, unregisterListener, writeTo, writeTo

Methods inherited from class de.haumacher.msgbuf.data.AbstractDataObject

readContent, readFields, toString, writeContent

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.haumacher.msgbuf.data.ReflectiveDataObject

jsonType

Field Details

INDEX

public static final String INDEX

See Also:

• getIndex()
• Constant Field Values

NEXT

public static final String NEXT

See Also:

• getNext()
• Constant Field Values

INDEX__ID

public static final int INDEX__ID

Identifier for the property getIndex() in binary format.

See Also:

• Constant Field Values

Constructor Details

ListUpdate

protected ListUpdate()

Creates a ListUpdate instance.

Method Details

getIndex

public final int getIndex()

The list index that is modified.

setIndex

public final ListUpdate setIndex(int value)

See Also:

• getIndex()

getNext

public final ListUpdate getNext()

Pointer to chain updates for the same property.

setNext

public final ListUpdate setNext(ListUpdate value)

See Also:

• getNext()

hasNext

public final boolean hasNext()

Checks, whether getNext() has a value.

properties

public List<String> properties()

Description copied from interface: ReflectiveDataObject

All properties that are supported by this object.

Specified by:

properties in interface ReflectiveDataObject

Overrides:

properties in class Command

See Also:

• ReflectiveDataObject.get(String)

get

public Object get(String field)

Description copied from interface: ReflectiveDataObject

Retrieves value of the field with the given name.

Specified by:

get in interface ReflectiveDataObject

Overrides:

get in class Command

Parameters:

field - The name of the property.

Returns:

The value of the property with the given name.

See Also:

• ReflectiveDataObject.properties()

set

public void set(String field,
 Object value)

Description copied from interface: ReflectiveDataObject

Sets the value of the property with the given name.

Specified by:

set in interface ReflectiveDataObject

Overrides:

set in class Command

Parameters:

field - The name of the property to update.

value - The new value of the property.

See Also:

• ReflectiveDataObject.get(String)

readListUpdate

public static ListUpdate readListUpdate(JsonReader in)
                                 throws IOException

Reads a new instance from the given reader.

Throws:

IOException

writeFields

protected void writeFields(JsonWriter out)
                    throws IOException

Description copied from class: AbstractDataObject

Writes all fields of this instance to the given output.

Overrides:

writeFields in class Command

Parameters:

out - The writer to write to.

Throws:

IOException - If writing fails.

readField

protected void readField(JsonReader in,
 String field)
                  throws IOException

Description copied from class: AbstractDataObject

Reads the given field from the given input.

Overrides:

readField in class Command

Parameters:

in - The reader to take the value from.

field - The name of the field whose value should be read.

Throws:

IOException

writeFields

protected void writeFields(DataWriter out)
                    throws IOException

Description copied from class: Command

Serializes all fields of this instance to the given binary output.

Overrides:

writeFields in class Command

Parameters:

out - The binary output to write to.

Throws:

IOException - If writing fails.

readListUpdate

public static ListUpdate readListUpdate(DataReader in)
                                 throws IOException

Reads a new instance from the given reader.

Throws:

IOException

readField

protected void readField(DataReader in,
 int field)
                  throws IOException

Description copied from class: Command

Consumes the value for the field with the given ID and assigns its value.

Overrides:

readField in class Command

Throws:

IOException

visit

public abstract <R,
A,
E extends Throwable> R visit(ListUpdate.Visitor<R,A,E> v,
 A arg)
                                           throws E

Accepts the given visitor.

Throws:

E extends Throwable

visit

public final <R,
A,
E extends Throwable> R visit(Command.Visitor<R,A,E> v,
 A arg)
                                        throws E

Description copied from class: Command

Accepts the given visitor.

Specified by:

visit in class Command

Throws:

E extends Throwable