oracle.jdeveloper.cm.ds.db
Class DBWorkArea

java.lang.Object
  oracle.jdeveloper.cm.ds.db.DBObject
      oracle.jdeveloper.cm.ds.db.DBWorkArea

All Implemented Interfaces:

Copyable

public class DBWorkArea

extends DBObject

Database WorkArea - basically a todo list when this is committed. This is the model that represents all of the tables, and/or other objects to be constructed by the DBObjectBuilder or one of it's subclasses. For a table to be linked by foreign keys, then the other table must exist in this workarea as well.

Field Summary

Fields inherited from class oracle.jdeveloper.cm.ds.db.DBObject

ANONYMOUS_BLOCK, COLUMN, CONSTRAINT, FUNCTION, INDEX, PACKAGE_BODY, PACKAGE_SPEC, PROCEDURE, SEQUENCE, SYNONYM, TABLE, WORKAREA

Constructor Summary

DBWorkArea()
Constructor

Method Summary

void	addObject(DBObject obj)
java.lang.Object	copyTo(java.lang.Object target) Copies the internal state of this object to the specified copy.
protected void	copyToImpl(DBWorkArea copy)
boolean	equals(java.lang.Object target)
protected boolean	equalsImpl(DBWorkArea target)
java.lang.String	getAnsiDataTypes()
java.util.Iterator	getChildren() If this object has subobjects (i.e.
java.lang.String	getType() Returns the type of object this is.
void	removeObject(DBObject obj)
void	setAnsiDataTypes(java.lang.String newAnsiDataTypes)

Methods inherited from class oracle.jdeveloper.cm.ds.db.DBObject

copyToImpl, equalsImpl, getName, setName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

DBWorkArea

public DBWorkArea()

Constructor

Method Detail

copyTo

public java.lang.Object copyTo(java.lang.Object target)

Description copied from interface: Copyable

Copies the internal state of this object to the specified copy. If copy is null, then this method should create a new instance of this class and proceed to copy the internal state to the newly created object. Generally, only the persistent state of the object should be copied, but whether or not it is appropriate to copy transient properties is at the discretion of the individual implementor.

Regardless of whether the copy occurs to an existing object or to a newly created object, the return value is object to which this object's state was copied.

There is a standard implementation pattern for the copyTo method that helps avoid problems that arise when a Copyable object is subclassed. The pattern is:

public Object copyTo( Object target )
{
final <this_class> copy =
target != null ? (<this_class>) target : new <this_class>();
copyToImpl( copy );
return copy;
} protected final void copyToImpl( <this_class> copy ) { super.copyToImpl( copy ); // if necessary // put code here for copying the properties of <this_class> }

The parameter passed into the copyToImpl method is the same type of this class. The responsibility of copyToImpl is to copy the state of this class through direct access of the fields. The copyToImpl method should not use getters and setters since these may be overridden, causing the state of this class to be incompletely copied.

Specified by:

copyTo in interface Copyable

Specified by:

copyTo in class DBObject

copyToImpl

protected void copyToImpl(DBWorkArea copy)

equals

public boolean equals(java.lang.Object target)

Specified by:

equals in class DBObject

equalsImpl

protected boolean equalsImpl(DBWorkArea target)

addObject

public void addObject(DBObject obj)

removeObject

public void removeObject(DBObject obj)

getAnsiDataTypes

public java.lang.String getAnsiDataTypes()

setAnsiDataTypes

public void setAnsiDataTypes(java.lang.String newAnsiDataTypes)

getType

public java.lang.String getType()

Description copied from class: DBObject

Returns the type of object this is. The object type is defined as constants in DBObject

Specified by:

getType in class DBObject

See Also:

DBObject.TABLE, DBObject.WORKAREA, DBObject.COLUMN

getChildren

public java.util.Iterator getChildren()

Description copied from class: DBObject

If this object has subobjects (i.e. a table contains columns), then this will return an Iterator on that list of children, otherwise it will return null.

Specified by:

getChildren in class DBObject