/* Array.java -- Interface for accessing SQL array object
Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
This file is part of GNU Classpath.
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it under the terms of the GNU General Public License as published by
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making a combined work based on this library. Thus, the terms and
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permission to link this library with independent modules to produce an
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package java.sql;
import java.util.Map;
/**
* This interface provides methods for accessing SQL array types.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public interface Array
{
/**
* Returns the name of the SQL type of the elements in this
* array. This name is database specific.
*
* @param The name of the SQL type of the elements in this array.
* @exception SQLException If an error occurs.
*/
String getBaseTypeName() throws SQLException;
/**
* Returns the JDBC type identifier of the elements in this
* array. This will be one of the values defined in the
* <code>Types</code> class.
*
* @return The JDBC type of the elements in this array.
* @exception SQLException If an error occurs.
* @see Types
*/
int getBaseType() throws SQLException;
/**
* Returns the contents of this array. This object returned
* will be an array of Java objects of the appropriate types.
*
* @return The contents of the array as an array of Java objects.
* @exception SQLException If an error occurs.
*/
Object getArray() throws SQLException;
/**
* Returns the contents of this array. The specified
* <code>Map</code> will be used to override selected mappings
* between SQL types and Java classes.
*
* @param map A mapping of SQL types to Java classes.
* @return The contents of the array as an array of Java objects.
* @exception SQLException If an error occurs.
*/
Object getArray(Map map) throws SQLException;
/**
* Returns a portion of this array starting at <code>index</code>
* into the array and continuing for <code>count</code>
* elements. Fewer than the requested number of elements will be
* returned if the array does not contain the requested number of elements.
* The object returned will be an array of Java objects of
* the appropriate types.
*
* @param offset The offset into this array to start returning elements from.
* @param count The requested number of elements to return.
* @return The requested portion of the array.
* @exception SQLException If an error occurs.
*/
Object getArray(long index, int count) throws SQLException;
/**
* This method returns a portion of this array starting at <code>index</code>
* into the array and continuing for <code>count</code>
* elements. Fewer than the requested number of elements will be
* returned if the array does not contain the requested number of elements.
* The object returned will be an array of Java objects. The specified
* <code>Map</code> will be used for overriding selected SQL type to
* Java class mappings.
*
* @param offset The offset into this array to start returning elements from.
* @param count The requested number of elements to return.
* @param map A mapping of SQL types to Java classes.
* @return The requested portion of the array.
* @exception SQLException If an error occurs.
*/
Object getArray(long index, int count, Map map) throws SQLException;
/**
* Returns the elements in the array as a <code>ResultSet</code>.
* Each row of the result set will have two columns. The first will be
* the index into the array of that row's contents. The second will be
* the actual value of that array element.
*
* @return The elements of this array as a <code>ResultSet</code>.
* @exception SQLException If an error occurs.
* @see ResultSet
*/
ResultSet getResultSet() throws SQLException;
/**
* This method returns the elements in the array as a <code>ResultSet</code>.
* Each row of the result set will have two columns. The first will be
* the index into the array of that row's contents. The second will be
* the actual value of that array element. The specified <code>Map</code>
* will be used to override selected default mappings of SQL types to
* Java classes.
*
* @param map A mapping of SQL types to Java classes.
* @return The elements of this array as a <code>ResultSet</code>.
* @exception SQLException If an error occurs.
* @see ResultSet
*/
ResultSet getResultSet(Map map) throws SQLException;
/**
* This method returns a portion of the array as a <code>ResultSet</code>.
* The returned portion will start at <code>index</code> into the
* array and up to <code>count</code> elements will be returned.
* <p>
* Each row of the result set will have two columns. The first will be
* the index into the array of that row's contents. The second will be
* the actual value of that array element.
*
* @param offset The index into the array to start returning elements from.
* @param length The requested number of elements to return.
* @return The requested elements of this array as a <code>ResultSet</code>.
* @exception SQLException If an error occurs.
* @see ResultSet
*/
ResultSet getResultSet(long index, int count) throws SQLException;
/**
* This method returns a portion of the array as a <code>ResultSet</code>.
* The returned portion will start at <code>index</code> into the
* array and up to <code>count</code> elements will be returned.
*
* <p> Each row of the result set will have two columns. The first will be
* the index into the array of that row's contents. The second will be
* the actual value of that array element. The specified <code>Map</code>
* will be used to override selected default mappings of SQL types to
* Java classes.</p>
*
* @param offset The index into the array to start returning elements from.
* @param length The requested number of elements to return.
* @param map A mapping of SQL types to Java classes.
* @return The requested elements of this array as a <code>ResultSet</code>.
* @exception SQLException If an error occurs.
* @see ResultSet
*/
ResultSet getResultSet(long index, int count, Map map)
throws SQLException;
}