net.ontopia.persistence.proxy
Class WrappedIdentity

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

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, IdentityIF

public final class WrappedIdentity
extends java.lang.Object
implements IdentityIF, java.io.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

java.lang.Object	clone()
java.lang.Object	createInstance() INTERNAL: Creates an object instance of the type defined by this identity.
boolean	equals(java.lang.Object object)
java.lang.Object	getKey(int index) INTERNAL: Returns the primary key component with the specified index.
java.lang.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(java.io.ObjectInput in)
java.lang.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(java.io.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 java.lang.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 java.lang.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 java.lang.Object createInstance()
                                throws java.lang.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:

java.lang.Exception

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object object)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Throws:

java.io.IOException

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

clone

public java.lang.Object clone()

Specified by:

clone in interface IdentityIF

Overrides:

clone in class java.lang.Object