net.ontopia.persistence.query.jdo
Class JDOPrimitive

java.lang.Object
  net.ontopia.persistence.query.jdo.JDOPrimitive

All Implemented Interfaces:

JDOValueIF

public class JDOPrimitive
extends java.lang.Object
implements JDOValueIF

INTERNAL: JDOQL value: primitive. Class used to reference primitive values. These can be boolean, byte, short, integer, long, float or double. [FIXME: In addition the classes BigInteger and BigDouble are supported.] Syntax: the same as their Java syntax representations.

Field Summary

static int	BIGDECIMAL
static int	BIGINTEGER
static int	BOOLEAN
static int	BYTE
static int	DOUBLE
static int	FLOAT
static int	INTEGER
static int	LONG
static int	SHORT
protected java.lang.Object	value
protected int	value_type

Fields inherited from interface net.ontopia.persistence.query.jdo.JDOValueIF

COLLECTION, FIELD, FUNCTION, NATIVE_VALUE, NULL, OBJECT, PARAMETER, PRIMITIVE, STRING, VARIABLE

Constructor Summary

JDOPrimitive(int value_type, java.lang.Object value)

Method Summary

boolean	equals(java.lang.Object obj)
int	getPrimitiveType() INTERNAL: Returns the type of primitive as indicated by one of the constants in the JDOPrimitive interface.
int	getType() INTERNAL: Returns the type of JDO value indicated by one of the constants in the JDOValueIF interface.
java.lang.Object	getValue() INTERNAL: Returns the primitive value.
java.lang.Class	getValueType()
int	hashCode()
boolean	isNumeric() INTERNAL: Returns true if the primitive is of numeric type.
java.lang.String	toString()
void	visit(JDOVisitorIF visitor) INTERNAL: Allows the value to be visited.

Methods inherited from class java.lang.Object

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

Field Detail

BOOLEAN

public static final int BOOLEAN

See Also:

Constant Field Values

BYTE

public static final int BYTE

See Also:

Constant Field Values

SHORT

public static final int SHORT

See Also:

Constant Field Values

INTEGER

public static final int INTEGER

See Also:

Constant Field Values

LONG

public static final int LONG

See Also:

Constant Field Values

FLOAT

public static final int FLOAT

See Also:

Constant Field Values

DOUBLE

public static final int DOUBLE

See Also:

Constant Field Values

BIGDECIMAL

public static final int BIGDECIMAL

See Also:

Constant Field Values

BIGINTEGER

public static final int BIGINTEGER

See Also:

Constant Field Values

value_type

protected int value_type

value

protected java.lang.Object value

Constructor Detail

JDOPrimitive

public JDOPrimitive(int value_type,
                    java.lang.Object value)

Method Detail

getType

public int getType()

Description copied from interface: JDOValueIF

INTERNAL: Returns the type of JDO value indicated by one of the constants in the JDOValueIF interface.

Specified by:

getType in interface JDOValueIF

getValueType

public java.lang.Class getValueType()

getPrimitiveType

public int getPrimitiveType()

INTERNAL: Returns the type of primitive as indicated by one of the constants in the JDOPrimitive interface.

getValue

public java.lang.Object getValue()

INTERNAL: Returns the primitive value. An object wrapper is represented using its primitive wrapper class.

isNumeric

public boolean isNumeric()

INTERNAL: Returns true if the primitive is of numeric type.

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

visit

public void visit(JDOVisitorIF visitor)

Description copied from interface: JDOValueIF

INTERNAL: Allows the value to be visited. This method is used for retrieval of nested data in expressions.

Specified by:

visit in interface JDOValueIF