org.apache.jackrabbit.spi

Interface QValue

All Known Implementing Classes:

AbstractQValue, DefaultQValue, InternalValue

public interface QValue

QValue is the SPI representation of a jcr value. It therefore refers to Names and Paths only and is thus isolated from session-specific namespace mappings.

Field Summary

Fields

Modifier and Type	Field and Description
static QValue[]	EMPTY_ARRAY

Method Summary

Methods

Modifier and Type	Method and Description
void	discard() Frees temporarily allocated resources such as temporary file, buffer, etc.
javax.jcr.Binary	getBinary() Returns a Binary representation of this QValue object.
boolean	getBoolean() Returns a boolean representation of this value.
Calendar	getCalendar() Returns a Calendar representation of this value.
BigDecimal	getDecimal() Returns a BigDecimal representation of this value.
double	getDouble() Returns a double representation of this value.
long	getLength() Returns the length of the internal value or -1 if the implementation cannot determine the length at this time. NOTE: for PropertyType.NAME and PropertyType.PATH the length of the internal value must not be used for indicating the length of a property such as retrieved by calling Property.getLength() and Property.getLengths().
long	getLong() Returns a long representation of this value.
Name	getName() Returns a Name representation of this value.
Path	getPath() Returns a Path representation of this value.
InputStream	getStream() Returns an InputStream representation of this QValue object.
String	getString() Returns a String representation of this QValue object.
int	getType() Returns the PropertyType of this QValue object.
URI	getURI() Returns an URI representation of this value.

Field Detail

EMPTY_ARRAY

static final QValue[] EMPTY_ARRAY

Method Detail

getType

int getType()

Returns the PropertyType of this QValue object. It may be either of the value property types defined by the JSR 283:

• PropertyType.STRING
• PropertyType.BINARY
• PropertyType.BOOLEAN
• PropertyType.DATE
• PropertyType.DECIMAL
• PropertyType.DOUBLE
• PropertyType.LONG
• PropertyType.NAME
• PropertyType.PATH
• PropertyType.REFERENCE
• PropertyType.URI
• PropertyType.WEAKREFERENCE

Returns:

the PropertyType of this QValue object.

getLength

long getLength()
               throws javax.jcr.RepositoryException

Returns the length of the internal value or -1 if the implementation cannot determine the length at this time.
NOTE: for PropertyType.NAME and PropertyType.PATH the length of the internal value must not be used for indicating the length of a property such as retrieved by calling Property.getLength() and Property.getLengths().

Returns:

length of this QValue object.

Throws:

javax.jcr.RepositoryException

getString

String getString()
                 throws javax.jcr.RepositoryException

Returns a String representation of this QValue object.

Returns:

A String representation of this QValue object.

Throws:

javax.jcr.RepositoryException

getStream

InputStream getStream()
                      throws javax.jcr.RepositoryException

Returns an InputStream representation of this QValue object. This method always returns a new stream.

Returns:

A stream representation of this value.

Throws:

javax.jcr.RepositoryException

getBinary

javax.jcr.Binary getBinary()
                           throws javax.jcr.RepositoryException

Returns a Binary representation of this QValue object.

Returns:

A Binary representation of this value.

Throws:

javax.jcr.RepositoryException

getCalendar

Calendar getCalendar()
                     throws javax.jcr.RepositoryException

Returns a Calendar representation of this value.

Returns:

A Calendar representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getDecimal

BigDecimal getDecimal()
                      throws javax.jcr.RepositoryException

Returns a BigDecimal representation of this value.

Returns:

A BigDecimal representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getDouble

double getDouble()
                 throws javax.jcr.RepositoryException

Returns a double representation of this value.

Returns:

A double representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getLong

long getLong()
             throws javax.jcr.RepositoryException

Returns a long representation of this value.

Returns:

A long representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getBoolean

boolean getBoolean()
                   throws javax.jcr.RepositoryException

Returns a boolean representation of this value.

Returns:

A boolean representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getName

Name getName()
             throws javax.jcr.RepositoryException

Returns a Name representation of this value.

Returns:

A Name representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getPath

Path getPath()
             throws javax.jcr.RepositoryException

Returns a Path representation of this value.

Returns:

A Path representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

getURI

URI getURI()
           throws javax.jcr.RepositoryException

Returns an URI representation of this value.

Returns:

A URI representation of this value.

Throws:

javax.jcr.RepositoryException - if an error occurs.

discard

void discard()

Frees temporarily allocated resources such as temporary file, buffer, etc.