gov.usda.gdpc.database
Class AbstractDatabaseMapping

java.lang.Object
  gov.usda.gdpc.database.AbstractDatabaseMapping

All Implemented Interfaces:

DatabaseMapping

Direct Known Subclasses:

ConstantDatabaseMapping, MultiDatabaseMapping, NullDatabaseMapping, PanzeaPositionMinutesDatabaseMapping, SimpleDatabaseMapping

public abstract class AbstractDatabaseMapping

extends java.lang.Object

implements DatabaseMapping

This class provides a skeletal implementation of the DatabaseMapping interface, to minimize the effort required to implement this interface.

Author:

terryc

Field Summary

protected Property

myProperty Property associated with this database mapping

Constructor Summary

AbstractDatabaseMapping(Property property)
AbstractDatabaseMapping Constructor.

Method Summary

SQLStatements	getDistinctSQL() Returns the SQL statements required to get the distinct values for the property associated with this mapping.
java.util.List	getJavaObjects(java.sql.ResultSet rs, ExtraInfo extraInfo) Gets the data from the given result set as Java objects.
Property	getProperty() Gets the property associated with this database mapping.
java.lang.String	getSQLSubString(Filter filter, ExtraInfo extraInfo) Gets the SQL sub-string based on the given filter.
java.lang.String	toString() Returns the string representation of this database mapping.

Methods inherited from class java.lang.Object

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

Field Detail

myProperty

protected final Property myProperty

Property associated with this database mapping

Constructor Detail

AbstractDatabaseMapping

public AbstractDatabaseMapping(Property property)

AbstractDatabaseMapping Constructor.

Parameters:

property - associated property

Method Detail

getProperty

public Property getProperty()

Gets the property associated with this database mapping.

Specified by:

getProperty in interface DatabaseMapping

Returns:

the property

getSQLSubString

public java.lang.String getSQLSubString(Filter filter,
                                        ExtraInfo extraInfo)

Gets the SQL sub-string based on the given filter.

Specified by:

getSQLSubString in interface DatabaseMapping

Parameters:

filter - filter

extraInfo - this is extra information that can be used by this database mapping to generate the SQL.

Returns:

SQL sub-string

getJavaObjects

public java.util.List getJavaObjects(java.sql.ResultSet rs,
                                     ExtraInfo extraInfo)
                              throws java.sql.SQLException

Gets the data from the given result set as Java objects. The actual type of objects returned will match what's specified by the property associated with this mapping.

Specified by:

getJavaObjects in interface DatabaseMapping

Parameters:

rs - result set

extraInfo - this is extra information that can be used by this database mapping to generate the Java objects.

Returns:

list of converted data

Throws:

java.sql.SQLException

getDistinctSQL

public SQLStatements getDistinctSQL()

Returns the SQL statements required to get the distinct values for the property associated with this mapping.

Specified by:

getDistinctSQL in interface DatabaseMapping

Returns:

SQL statements and corresponding extra information

toString

public java.lang.String toString()

Returns the string representation of this database mapping.

Returns:

string representation