org.revenj.postgres.jinq.jpqlquery

Class ColumnExpressions<T>

java.lang.Object

org.revenj.postgres.jinq.jpqlquery.ColumnExpressions<T>

public class ColumnExpressions<T>
extends Object

Holds the expressions that make up the various columns of the query and the reader used to interpret the returned result as an object.

Field Summary

Fields

Modifier and Type	Field and Description
List<Expression>	columns
RowReader<T>	reader

Constructor Summary

Constructors

Constructor and Description
ColumnExpressions(RowReader<T> reader)

Method Summary

Modifier and Type	Method and Description
int	getNumColumns()
Expression	getOnlyColumn()
boolean	isSingleColumn()
static <U> ColumnExpressions<U>	singleColumn(RowReader<U> reader, Expression expr)

Methods inherited from class java.lang.Object

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

Field Detail

columns

public List<Expression> columns

reader

public RowReader<T> reader

Constructor Detail

ColumnExpressions

public ColumnExpressions(RowReader<T> reader)

Method Detail

singleColumn

public static <U> ColumnExpressions<U> singleColumn(RowReader<U> reader,
                                                    Expression expr)

isSingleColumn

public boolean isSingleColumn()

getNumColumns

public int getNumColumns()

getOnlyColumn

public Expression getOnlyColumn()