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Class designer.DBProxy

java.lang.Object
   |
   +----designer.DBProxy

public class DBProxy

extends Object

DBProxy()

add(String, Object, String, String)

Method Name: add()
Purpose: This method will add a key,value pair into the database.

elementType(String)

Method Name: elementType
Purpose: This looks up the element's type.

get(Object)

Method Name: get
Purpose: Retrieves the value of the passed key (or variable).

getDisplayType(Object)

Purpose: Returns the display type of the key passed
PRE: key is not null
POST: String representation of type returned

getNames()

Method Name: getNames
Purpose: Returns names of all variables in database
Pre: none
Post: names returned in Vector

lookupBoolean(String)

Method Name: lookupBoolean
Purpose: Used for database entries that are booleans.

lookupNumber(String)

Method Name: lookupNumber
Purpose: Used for database entries that are integers.

remove(Object)

Method Name: remove
Purpose: Removes the variable from the database.

updateValue(String, Object)

Method Name: updateValue
Purpose: Places a new value in for the database variable.

validEntry(String)

Method Name: validEntry
Purpose: Checks the database to see if dbEntry is an entry.

 public DBProxy()

 public static boolean validEntry(String dbEntry)

Method Name: validEntry
Purpose: Checks the database to see if dbEntry is an entry.
PRE: dbEntry is not null and not equal to "".
POST: return whether it exists in the database.

 public static Number lookupNumber(String dbEntry)

Method Name: lookupNumber
Purpose: Used for database entries that are integers. Looks up
the value.
PRE: dbEntry is not null and not equal to "".
POST: Value returned, unless database entry not of type Number.

 public static Boolean lookupBoolean(String dbEntry)

Method Name: lookupBoolean
Purpose: Used for database entries that are booleans. Looks up
the value.
PRE: dbEntry is not null and not equal to "".
POST: Value returned, unless database entry not of type Number.

 public static String elementType(String dbEntry)

Method Name: elementType
Purpose: This looks up the element's type.
PRE: dbEntry is not null and not equal to "".
POST: type returned.

 public static void add(String key,
                        Object value,
                        String type,
                        String displayType)

Method Name: add()
Purpose: This method will add a key,value pair into the database.
PRE: value is not null.
POST: element added.

 public static void updateValue(String key,
                                Object value)

Method Name: updateValue
Purpose: Places a new value in for the database variable.
PRE: key is not null and not equal to "".
POST: key has been updated.

 public static Object get(Object key)

Method Name: get
Purpose: Retrieves the value of the passed key (or variable).
PRE: key is not null
POST: value returned.

 public static String getDisplayType(Object key)

Purpose: Returns the display type of the key passed
PRE: key is not null
POST: String representation of type returned

 public static void remove(Object key)

Method Name: remove
Purpose: Removes the variable from the database.
PRE: key is not null
POST: key removed.

 public static Vector getNames()

Method Name: getNames
Purpose: Returns names of all variables in database
Pre: none
Post: names returned in Vector

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