com.jdc.rdb
Class Schema

java.lang.Object
  |
  +--com.jdc.lang.Object
        |
        +--com.jdc.lang.SerializableObject
              |
              +--com.jdc.rdb.Schema

All Implemented Interfaces:

Schema, Serializable

Direct Known Subclasses:

Reference, User

public abstract class Schema

extends SerializableObject

implements Schema

A default implementation of Schema. All application database schema classes should subclass this database Schema class.

An application database Schema is defined by its database schema name and, optionally, an alias.

Note: This class is immutable.

Version:

1.5

Author:

Jay Damon

See Also:

Database, Table, Serialized Form

Field Summary

Fields inherited from class com.jdc.lang.Object

string

Constructor Summary

Schema(String name)
Constructs a new AbstractSchema object for the specified database schema name.

Schema(String name, String alias)
Constructs a new AbstractSchema object for the specified database schema name and alias.

Method Summary

boolean	equals(Object object) Compares this Schema object to the specified object.
String	getAlias() Returns the database schema alias.
abstract Database	getDatabase() Returns the Database object for this schema.
String	getName() Returns the database schema name.
int	hashCode() Returns a hash code value for this Schema object.
String	toString() Returns a String representing this Schema object.

Methods inherited from class java.lang.Object

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

Constructor Detail

Schema

public Schema(String name)

Constructs a new AbstractSchema object for the specified database schema name. This schema will have no alias.

Schema

public Schema(String name,
              String alias)

Constructs a new AbstractSchema object for the specified database schema name and alias.

Method Detail

equals

public boolean equals(Object object)

Compares this Schema object to the specified object. Returns true if the specified object is equivalent to this schema object.

Overrides:

equals in class Object

Returns:

True if a specified object is equal to this schema object.
False if the specified object is not equal to this schema object.

See Also:

hashCode()

getAlias

public String getAlias()

Description copied from interface: Schema

Returns the database schema alias.

Specified by:

getAlias in interface Schema

Returns:

The database schema alias.

getDatabase

public abstract Database getDatabase()

Description copied from interface: Schema

Returns the Database object for this schema.

Specified by:

getDatabase in interface Schema

Returns:

The database object for this schema.

getName

public String getName()

Description copied from interface: Schema

Returns the database schema name.

Specified by:

getName in interface Schema

Returns:

The database schema name.

hashCode

public int hashCode()

Returns a hash code value for this Schema object. This method is supported for the benefit of hashtables such as those provided by Hashtable.

Overrides:

hashCode in class Object

Returns:

A hash code value for this schema object.

See Also:

equals(java.lang.Object)

toString

public String toString()

Returns a String representing this Schema object.

Overrides:

toString in class Object

Returns:

A String representing this Schema object.