org.apache.jackrabbit.value

Class WeakReferenceValue

java.lang.Object

org.apache.jackrabbit.value.BaseValue

org.apache.jackrabbit.value.WeakReferenceValue

All Implemented Interfaces:

javax.jcr.Value

public class WeakReferenceValue
extends BaseValue

A WeakReferenceValue provides an implementation of the Value interface representing a WEAKREFERENCE value (a UUID of an existing node).

Field Summary

Fields

Modifier and Type	Field and Description
static int	TYPE

Fields inherited from class org.apache.jackrabbit.value.BaseValue

DEFAULT_ENCODING, stream, type

Constructor Summary

Constructors

Modifier	Constructor and Description
	WeakReferenceValue(javax.jcr.Node target) Constructs a ReferenceValue object representing the UUID of an existing node.
protected	WeakReferenceValue(String uuid) Protected constructor creating a ReferenceValue object without validating the UUID format.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj) Indicates whether some other object is "equal to" this one.
boolean	getBoolean()
Calendar	getDate()
BigDecimal	getDecimal()
double	getDouble()
protected String	getInternalString() Returns the internal string representation of this value without modifying the value state.
long	getLong()
int	hashCode() Returns zero to satisfy the Object equals/hashCode contract.
static WeakReferenceValue	valueOf(String s) Returns a new ReferenceValue initialized to the value represented by the specified String.

Methods inherited from class org.apache.jackrabbit.value.BaseValue

getBinary, getStream, getString, getType

Methods inherited from class java.lang.Object

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

Field Detail

TYPE

public static final int TYPE

See Also:

Constant Field Values

Constructor Detail

WeakReferenceValue

public WeakReferenceValue(javax.jcr.Node target)
                   throws javax.jcr.RepositoryException

Constructs a ReferenceValue object representing the UUID of an existing node.

Parameters:

target - the node to be referenced

Throws:

IllegalArgumentException - If target is nonreferenceable.

javax.jcr.RepositoryException - If another error occurs.

WeakReferenceValue

protected WeakReferenceValue(String uuid)

Protected constructor creating a ReferenceValue object without validating the UUID format.

Parameters:

uuid - the UUID of the node to be referenced

See Also:

valueOf(java.lang.String)

Method Detail

valueOf

public static WeakReferenceValue valueOf(String s)
                                  throws javax.jcr.ValueFormatException

Returns a new ReferenceValue initialized to the value represented by the specified String.

The specified String must denote the UUID of an existing node.

Parameters:

s - the string to be parsed.

Returns:

a newly constructed ReferenceValue representing the the specified value.

Throws:

javax.jcr.ValueFormatException - If the String is not a valid not a valid UUID format.

equals

public boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

The result is true if and only if the argument is not null and is a ReferenceValue object that represents the same value as this object.

Overrides:

equals in class Object

Parameters:

obj - the reference object with which to compare.

Returns:

true if this object is the same as the obj argument; false otherwise.

hashCode

public int hashCode()

Returns zero to satisfy the Object equals/hashCode contract. This class is mutable and not meant to be used as a hash key.

Overrides:

hashCode in class Object

Returns:

always zero

See Also:

Object.hashCode()

getInternalString

protected String getInternalString()
                            throws javax.jcr.ValueFormatException

Returns the internal string representation of this value without modifying the value state.

Specified by:

getInternalString in class BaseValue

Returns:

the internal string representation

Throws:

javax.jcr.ValueFormatException - if the value can not be represented as a String or if the value is null.

getDate

public Calendar getDate()
                 throws javax.jcr.ValueFormatException,
                        IllegalStateException,
                        javax.jcr.RepositoryException

Specified by:

getDate in interface javax.jcr.Value

Overrides:

getDate in class BaseValue

Throws:

javax.jcr.ValueFormatException

IllegalStateException

javax.jcr.RepositoryException

getLong

public long getLong()
             throws javax.jcr.ValueFormatException,
                    IllegalStateException,
                    javax.jcr.RepositoryException

Specified by:

getLong in interface javax.jcr.Value

Overrides:

getLong in class BaseValue

Throws:

javax.jcr.ValueFormatException

IllegalStateException

javax.jcr.RepositoryException

getBoolean

public boolean getBoolean()
                   throws javax.jcr.ValueFormatException,
                          IllegalStateException,
                          javax.jcr.RepositoryException

Specified by:

getBoolean in interface javax.jcr.Value

Overrides:

getBoolean in class BaseValue

Throws:

javax.jcr.ValueFormatException

IllegalStateException

javax.jcr.RepositoryException

getDouble

public double getDouble()
                 throws javax.jcr.ValueFormatException,
                        IllegalStateException,
                        javax.jcr.RepositoryException

Specified by:

getDouble in interface javax.jcr.Value

Overrides:

getDouble in class BaseValue

Throws:

javax.jcr.ValueFormatException

IllegalStateException

javax.jcr.RepositoryException

getDecimal

public BigDecimal getDecimal()
                      throws javax.jcr.ValueFormatException,
                             IllegalStateException,
                             javax.jcr.RepositoryException

Specified by:

getDecimal in interface javax.jcr.Value

Overrides:

getDecimal in class BaseValue

Throws:

javax.jcr.ValueFormatException

IllegalStateException

javax.jcr.RepositoryException