org.nodal.util
Class GetterFilter

java.lang.Object
  org.nodal.util.GetterFilter

All Implemented Interfaces:

Getter, TxnMonitorable

Direct Known Subclasses:

AtomicSetterUtil, SetterFilter, SetterUtil

public class GetterFilter

extends java.lang.Object

implements Getter

Field Summary

protected Getter

getter

Constructor Summary

protected

GetterFilter(Getter g)

Method Summary

void	addTxnHandler(TxnHandler handler) Add a TxnHandler to be invoked when this object changes.
java.lang.Object	get() Obtain the current value of the resource as an Object.
boolean	getBoolean() Obtain a boolean depiction of the current value of the resource if possible.
byte	getByte() Obtain a byte depiction of the current value of the resource if possible.
char	getChar() Obtain a char depiction of the current value of the resource if possible.
double	getDouble() Obtain a double depiction of the current value of the resource if possible.
float	getFloat() Obtain a float depiction of the current value of the resource if possible.
int	getInt() Obtain an int depiction of the current value of the resource if possible.
long	getLong() Obtain a long depiction of the current value of the resource if possible.
Node	getNode() Obtain a Node interface for the current value of the resource.
short	getShort() Obtain a short depiction of the current value of the resource if possible.
java.lang.String	getString() Obtain a String depiction of the current value of the resource.
Path	path() A Path to this Getter.
void	removeTxnHandler(TxnHandler handler) Remove a previously added TxnHandler.
Type	type() The type of the value returned by this Getter.
boolean	valueEquals(java.lang.Object v) Check equality of the value that would be returned against the argument.

Methods inherited from class java.lang.Object

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

Field Detail

getter

protected Getter getter

Constructor Detail

GetterFilter

protected GetterFilter(Getter g)

Method Detail

path

public Path path()

Description copied from interface: Getter

A Path to this Getter. For a Getter that is Node.Property, the Path is normally the Node.path() extended with the property name.

Specified by:

path in interface Getter

Returns:

a bound Path that accesses this Getter

type

public Type type()

Description copied from interface: Getter

The type of the value returned by this Getter.

Specified by:

type in interface Getter

Returns:

the Type of value returned by a get() call

get

public java.lang.Object get()
                     throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain the current value of the resource as an Object.

Specified by:

get in interface Getter

Throws:

PropertyConstraintFailure

getString

public java.lang.String getString()
                           throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a String depiction of the current value of the resource.

Specified by:

getString in interface Getter

Throws:

PropertyConstraintFailure

getNode

public Node getNode()
             throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a Node interface for the current value of the resource.

Specified by:

getNode in interface Getter

Throws:

PropertyConstraintFailure

getBoolean

public boolean getBoolean()
                   throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a boolean depiction of the current value of the resource if possible.

Specified by:

getBoolean in interface Getter

Throws:

PropertyConstraintFailure

getChar

public char getChar()
             throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a char depiction of the current value of the resource if possible.

Specified by:

getChar in interface Getter

Throws:

PropertyConstraintFailure

getByte

public byte getByte()
             throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a byte depiction of the current value of the resource if possible.

Specified by:

getByte in interface Getter

Throws:

PropertyConstraintFailure

getShort

public short getShort()
               throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a short depiction of the current value of the resource if possible.

Specified by:

getShort in interface Getter

Throws:

PropertyConstraintFailure

getInt

public int getInt()
           throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain an int depiction of the current value of the resource if possible.

Specified by:

getInt in interface Getter

Throws:

PropertyConstraintFailure

getLong

public long getLong()
             throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a long depiction of the current value of the resource if possible.

Specified by:

getLong in interface Getter

Throws:

PropertyConstraintFailure

getFloat

public float getFloat()
               throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a float depiction of the current value of the resource if possible.

Specified by:

getFloat in interface Getter

Throws:

PropertyConstraintFailure

getDouble

public double getDouble()
                 throws PropertyConstraintFailure

Description copied from interface: Getter

Obtain a double depiction of the current value of the resource if possible.

Specified by:

getDouble in interface Getter

Throws:

PropertyConstraintFailure

valueEquals

public boolean valueEquals(java.lang.Object v)
                    throws PropertyConstraintFailure

Description copied from interface: Getter

Check equality of the value that would be returned against the argument.

This is especially useful to avoid extraneous copies when we only need to test equality.

Specified by:

valueEquals in interface Getter

Throws:

PropertyConstraintFailure

addTxnHandler

public void addTxnHandler(TxnHandler handler)

Description copied from interface: TxnMonitorable

Add a TxnHandler to be invoked when this object changes.

Specified by:

addTxnHandler in interface TxnMonitorable

Parameters:

handler - a TxnHandler whose notify methods will be invoked when this object changes.

removeTxnHandler

public void removeTxnHandler(TxnHandler handler)

Description copied from interface: TxnMonitorable

Remove a previously added TxnHandler.

Specified by:

removeTxnHandler in interface TxnMonitorable

Parameters:

handler - a TxnHandler that has previously been added.