org.apache.jackrabbit.spi.commons.value
Class AbstractQValue

java.lang.Object
  org.apache.jackrabbit.spi.commons.value.AbstractQValue

All Implemented Interfaces:

Serializable, QValue

Direct Known Subclasses:

DefaultQValue, InternalValue

public abstract class AbstractQValue
extends Object
implements QValue, Serializable

AbstractQValue...

See Also:

Serialized Form

Field Summary

protected int	type
protected Object	val

Fields inherited from interface org.apache.jackrabbit.spi.QValue

EMPTY_ARRAY

Constructor Summary

protected	AbstractQValue(BigDecimal value) Create a new AbstractQValue.
protected	AbstractQValue(Boolean value) Create a new AbstractQValue.
protected	AbstractQValue(Calendar value) Create a new AbstractQValue.
protected	AbstractQValue(Double value) Create a new AbstractQValue.
protected	AbstractQValue(Long value) Create a new AbstractQValue.
protected	AbstractQValue(Name value) Create a new AbstractQValue.
protected	AbstractQValue(Object value, int type) Create a new AbstractQValue.
protected	AbstractQValue(Path value) Create a new AbstractQValue.
protected	AbstractQValue(String value, int type) Create a new AbstractQValue.
protected	AbstractQValue(URI value) Create a new AbstractQValue.

Method Summary

void	discard() Frees temporarily allocated resources such as temporary file, buffer, etc.
boolean	equals(Object obj) Default implementation of the equals method.
Binary	getBinary() This implementation creates a binary instance that uses QValue.getStream() and skipping on the given stream as its underlying mechanism to provide random access defined on Binary.
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.
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.
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.
int	hashCode() Default calculation of the hashCode.
String	toString() Returns the string representation of this internal value.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.jackrabbit.spi.QValue

getStream

Field Detail

val

protected Object val

type

protected final int type

Constructor Detail

AbstractQValue

protected AbstractQValue(Object value,
                         int type)

Create a new AbstractQValue.

Parameters:

value - The value.

type - The property type.

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(String value,
                         int type)

Create a new AbstractQValue.

Parameters:

value -

type -

Throws:

IllegalArgumentException - if the passed value is null or if the type is neither STRING nor REFERENCE/WEAKREFERENCE.

AbstractQValue

protected AbstractQValue(Long value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(Double value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(Boolean value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(Calendar value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(Name value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(Path value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(BigDecimal value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

AbstractQValue

protected AbstractQValue(URI value)

Create a new AbstractQValue.

Parameters:

value -

Throws:

IllegalArgumentException - if the passed value is null.

Method Detail

getType

public int getType()

Description copied from interface: QValue

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

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

Specified by:

getType in interface QValue

Returns:

the PropertyType of this QValue object.

See Also:

QValue.getType()

getLength

public long getLength()
               throws RepositoryException

Description copied from interface: QValue

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().

Specified by:

getLength in interface QValue

Returns:

length of this QValue object.

Throws:

RepositoryException

See Also:

QValue.getLength()

getName

public Name getName()
             throws RepositoryException

Description copied from interface: QValue

Returns a Name representation of this value.

Specified by:

getName in interface QValue

Returns:

A Name representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getName()

getCalendar

public Calendar getCalendar()
                     throws RepositoryException

Description copied from interface: QValue

Returns a Calendar representation of this value.

Specified by:

getCalendar in interface QValue

Returns:

A Calendar representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getCalendar()

getDecimal

public BigDecimal getDecimal()
                      throws RepositoryException

Description copied from interface: QValue

Returns a BigDecimal representation of this value.

Specified by:

getDecimal in interface QValue

Returns:

A BigDecimal representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getDecimal()

getURI

public URI getURI()
           throws RepositoryException

Description copied from interface: QValue

Returns an URI representation of this value.

Specified by:

getURI in interface QValue

Returns:

A URI representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getURI()

getDouble

public double getDouble()
                 throws RepositoryException

Description copied from interface: QValue

Returns a double representation of this value.

Specified by:

getDouble in interface QValue

Returns:

A double representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getDouble()

getLong

public long getLong()
             throws RepositoryException

Description copied from interface: QValue

Returns a long representation of this value.

Specified by:

getLong in interface QValue

Returns:

A long representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getLong()

getBoolean

public boolean getBoolean()
                   throws RepositoryException

Description copied from interface: QValue

Returns a boolean representation of this value.

Specified by:

getBoolean in interface QValue

Returns:

A boolean representation of this value.

Throws:

RepositoryException

See Also:

QValue.getBoolean()

getPath

public Path getPath()
             throws RepositoryException

Description copied from interface: QValue

Returns a Path representation of this value.

Specified by:

getPath in interface QValue

Returns:

A Path representation of this value.

Throws:

RepositoryException - if an error occurs.

See Also:

QValue.getPath()

getString

public String getString()
                 throws RepositoryException

Description copied from interface: QValue

Returns a String representation of this QValue object.

Specified by:

getString in interface QValue

Returns:

A String representation of this QValue object.

Throws:

RepositoryException

See Also:

QValue.getPath()

getBinary

public Binary getBinary()
                 throws RepositoryException

This implementation creates a binary instance that uses QValue.getStream() and skipping on the given stream as its underlying mechanism to provide random access defined on Binary.

Specified by:

getBinary in interface QValue

Returns:

A Binary representation of this value.

Throws:

RepositoryException

See Also:

QValue.getBinary()

discard

public void discard()

Description copied from interface: QValue

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

Specified by:

discard in interface QValue

See Also:

QValue.discard()

toString

public String toString()

Returns the string representation of this internal value.

Overrides:

toString in class Object

Returns:

string representation of this internal value

equals

public boolean equals(Object obj)

Default implementation of the equals method. Subclasses may optimize this e.g. by special handling for DATE properties.

Overrides:

equals in class Object

Parameters:

obj -

See Also:

Object.equals(Object)

hashCode

public int hashCode()

Default calculation of the hashCode. Subclasses may optimize this e.g. by special handling for DATE properties.

Overrides:

hashCode in class Object

Returns:

the hashCode of the internal value object.

See Also:

Object.hashCode()