ch.jalu.datasourcecolumns.sqlimplementation

Class ResultSetValueRetriever<C>

java.lang.Object

ch.jalu.datasourcecolumns.sqlimplementation.ResultSetValueRetriever<C>

Type Parameters:

C - the context type

public class ResultSetValueRetriever<C>
extends Object

Retrieves values from a SQL ResultSet.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ResultSetValueRetriever.ResultSetGetter<T>

Constructor Summary

Constructors

Constructor and Description
ResultSetValueRetriever(C context) Constructor.

Method Summary

Modifier and Type	Method and Description
protected <T> ResultSetValueRetriever.ResultSetGetter<T>	createResultSetGetter(ColumnType<T> type) Returns a function based on the input type from which a value can be retrieved from the give result set.
<T> T	get(ResultSet rs, Column<T,C> column) Gets the value for the column from the given result set.

Methods inherited from class java.lang.Object

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

Constructor Detail

ResultSetValueRetriever

public ResultSetValueRetriever(C context)

Constructor.

Parameters:

context - the context

Method Detail

get

public <T> T get(ResultSet rs,
                 Column<T,C> column)
          throws SQLException

Gets the value for the column from the given result set.

Type Parameters:

T - the value type

Parameters:

rs - the result set to fetch from

column - the column to fetch the value for

Returns:

the fetched value

Throws:

SQLException

createResultSetGetter

protected <T> ResultSetValueRetriever.ResultSetGetter<T> createResultSetGetter(ColumnType<T> type)

Returns a function based on the input type from which a value can be retrieved from the give result set.

Type Parameters:

T - the type

Parameters:

type - the type to create a getter for

Returns:

the getter to use