QueryResultIF (Ontopia)

All Known Implementing Classes:: RDBMSQueryResult

public interface QueryResultIF

INTERNAL: Interface for representing two-dimensional (or potentially even N-dimensional) query results.

Note: it is a goal that this interface is aligned with net.ontopia.topicmaps.query.core.QueryResultIF.

Method Summary

Modifier and Type

Method

Description

void

close()

INTERNAL: Closes the query result, which allows it to free its resources.

String

getColumnName(int ix)

PUBLIC: Returns the name of the given column.

String[]

getColumnNames()

PUBLIC: Returns the names of the columns.

Object

getValue(int index)

INTERNAL: Get the value of the field with the specified index from the current result row.

Object[]

getValues()

INTERNAL: Get the values of all fields from the current result row.

Object[]

getValues(Object[] values)

INTERNAL: Reads the values of all fields from the current result row into the specified array.

int

getWidth()

INTERNAL: Returns the number of fields that each row in the query result set have.

boolean

next()

INTERNAL: Skip to the next row in the query result set.

Method Details
- next
  
  boolean next()
  
  INTERNAL: Skip to the next row in the query result set. The method returns false if the skip was not valid, i.e. we're at the end of the result set.
- getWidth
  
  int getWidth()
  
  INTERNAL: Returns the number of fields that each row in the query result set have.
- getColumnNames
  
  String[] getColumnNames()
  
  PUBLIC: Returns the names of the columns.
- getColumnName
  
  String getColumnName(int ix)
  
  PUBLIC: Returns the name of the given column. The column index is zero-based.
  
  Throws:
  
  IndexOutOfBoundsException - if there is no such column.
- getValue
  
  Object getValue(int index)
  
  INTERNAL: Get the value of the field with the specified index from the current result row. The index is zero-based.
- getValues
  
  Object[] getValues()
  
  INTERNAL: Get the values of all fields from the current result row.
- getValues
  
  Object[] getValues(Object[] values)
  
  INTERNAL: Reads the values of all fields from the current result row into the specified array.
- close
  
  void close()
  
  INTERNAL: Closes the query result, which allows it to free its resources.