org.openrdf.sesame.query
Class QueryResultsTable

java.lang.Object
  org.openrdf.sesame.query.QueryResultsTable

All Implemented Interfaces:

Serializable

public class QueryResultsTable

extends Object

implements Serializable

A table for query results. This table is provided for those who do not want to use the streaming approach provided by the QueryResultListener. The QueryResultsTableBuilder can be used to build the tables. The query results table is guaranteed to be rectangular (i.e. the number of columns is equal for all rows).

See Also:

TableQueryResultListener, QueryResultsTableBuilder, Serialized Form

Constructor Summary

QueryResultsTable(int colCount)
Creates a new QueryResultsTable that can store a query result with the indicated number of columns.

QueryResultsTable(int colCount, String[] columnNames)

Method Summary

boolean	equals(Object other) Compares this QueryResultsTable with another, returning true if both contain the same values.
int	getColumnCount() Gets the number of columns in this table.
String	getColumnName(int column) Return the name of the column at index 'column'
String[]	getColumnNames() return the names of all columns in an array.
int	getRowCount() Gets the number of rows in this table.
Value	getValue(int row, int column) Fetches the value at the specified row and column in this table.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

QueryResultsTable

public QueryResultsTable(int colCount)

Creates a new QueryResultsTable that can store a query result with the indicated number of columns.

Parameters:

colCount - The number of columns that the query result has.

QueryResultsTable

public QueryResultsTable(int colCount,
                         String[] columnNames)

Method Detail

getRowCount

public int getRowCount()

Gets the number of rows in this table.

getColumnCount

public int getColumnCount()

Gets the number of columns in this table.

getColumnNames

public String[] getColumnNames()

return the names of all columns in an array.

Returns:

an array containing the names of all columns, or null if not known.

getColumnName

public String getColumnName(int column)

Return the name of the column at index 'column'

Parameters:

column - the column index

Returns:

the name of the column, or null if not known.

getValue

public Value getValue(int row,
                      int column)

Fetches the value at the specified row and column in this table. Both row and column are 0-based.

Throws:

IndexOutOfBoundsException - If the requested row or column is out of the range of this table.

equals

public boolean equals(Object other)

Compares this QueryResultsTable with another, returning true if both contain the same values. The column names do not necessarily need to be identical for the tables to be considered equal.

hashCode

public int hashCode()

toString

public String toString()