net.ontopia.persistence.proxy
Class WrappedIdentity

java.lang.Object
  net.ontopia.persistence.proxy.WrappedIdentity

All Implemented Interfaces:

Externalizable, Serializable, Cloneable, IdentityIF

public final class WrappedIdentity
extends Object
implements IdentityIF, Externalizable

INTERNAL: Class used for wrapping other identities. See IdentityIF.

See Also:

Serialized Form

Constructor Summary

WrappedIdentity()
INTERNAL: Constructor that is used for externalization purposes only.

WrappedIdentity(IdentityIF wrapped)
INTERNAL: Creates an identity instance that wraps another identity.

Method Summary

Object	clone()
Object	createInstance() INTERNAL: Creates an object instance of the type defined by this identity.
boolean	equals(Object object)
Object	getKey(int index) INTERNAL: Returns the primary key component with the specified index.
Object	getType() INTERNAL: Returns the type of object.
int	getWidth() INTERNAL: Returns the number of primary key components that the identity has.
int	hashCode()
void	readExternal(ObjectInput in)
String	toString()
static IdentityIF	wrap(IdentityIF identity) INTERNAL: Factory method that wraps the identity in a WrappedIdentity if the identity itself is not a WrappedIdentity.
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Constructor Detail

WrappedIdentity

public WrappedIdentity()

INTERNAL: Constructor that is used for externalization purposes only.

WrappedIdentity

public WrappedIdentity(IdentityIF wrapped)

INTERNAL: Creates an identity instance that wraps another identity.

Method Detail

wrap

public static final IdentityIF wrap(IdentityIF identity)

INTERNAL: Factory method that wraps the identity in a WrappedIdentity if the identity itself is not a WrappedIdentity.

getType

public Object getType()

Description copied from interface: IdentityIF

INTERNAL: Returns the type of object. The returned value indicates the classification of the identified object. See also PersistentIF._p_getType().

Specified by:

getType in interface IdentityIF

getWidth

public int getWidth()

Description copied from interface: IdentityIF

INTERNAL: Returns the number of primary key components that the identity has.

Specified by:

getWidth in interface IdentityIF

getKey

public Object getKey(int index)

Description copied from interface: IdentityIF

INTERNAL: Returns the primary key component with the specified index.

Specified by:

getKey in interface IdentityIF

createInstance

public Object createInstance()
                      throws Exception

Description copied from interface: IdentityIF

INTERNAL: Creates an object instance of the type defined by this identity.

Specified by:

createInstance in interface IdentityIF

Throws:

Exception

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException

clone

public Object clone()

Specified by:

clone in interface IdentityIF

Overrides:

clone in class Object