org.jdbdt

Class DataSource

java.lang.Object

org.jdbdt.DataSource

Direct Known Subclasses:

Query, Table

public abstract class DataSource
extends Object

Base class for data sources.

Since:

1.0

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DataSource(org.jdbdt.CallInfo callInfo, DB db, String sql, Object... queryArgs) Constructor.

Method Summary

Modifier and Type	Method and Description
int	getColumnCount() Get column count.
String	getColumnName(int index) Get column name.
List<String>	getColumns() Get columns.
DB	getDB() Get database instance.
String	getSQLForQuery() Get SQL code for query.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataSource

protected DataSource(org.jdbdt.CallInfo callInfo,
                     DB db,
                     String sql,
                     Object... queryArgs)

Constructor.

Parameters:

callInfo - Call info.

db - Database instance.

sql - SQL code for query.

queryArgs - Optional arguments for database query.

Method Detail

getDB

public final DB getDB()

Get database instance.

Returns:

Database instance associated to this data source.

getColumns

public final List<String> getColumns()

Get columns.

Note: the returned list is unmodifiable.

Returns:

The list of columns for the data source.

getColumnCount

public final int getColumnCount()

Get column count.

Returns:

Column count.

getColumnName

public final String getColumnName(int index)

Get column name.

Parameters:

index - Column index between 0 and getColumnCount() - 1

Returns:

Name of column.

getSQLForQuery

public final String getSQLForQuery()

Get SQL code for query.

Returns:

SQL code for the database query.