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jeremybenn |
/* Array.java -- Interface for accessing SQL array object
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Copyright (C) 1999, 2000, 2002, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.sql;
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import java.util.Map;
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/**
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* This interface provides methods for accessing SQL array types.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public interface Array
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{
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/**
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* Returns the name of the SQL type of the elements in this
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* array. This name is database specific.
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*
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* @return The name of the SQL type of the elements in this array.
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* @exception SQLException If an error occurs.
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*/
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String getBaseTypeName() throws SQLException;
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/**
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* Returns the JDBC type identifier of the elements in this
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* array. This will be one of the values defined in the
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* <code>Types</code> class.
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*
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* @return The JDBC type of the elements in this array.
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* @exception SQLException If an error occurs.
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* @see Types
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*/
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int getBaseType() throws SQLException;
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/**
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* Returns the contents of this array. This object returned
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* will be an array of Java objects of the appropriate types.
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*
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* @return The contents of the array as an array of Java objects.
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* @exception SQLException If an error occurs.
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*/
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Object getArray() throws SQLException;
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/**
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* Returns the contents of this array. The specified
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* <code>Map</code> will be used to override selected mappings
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* between SQL types and Java classes.
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*
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* @param map A mapping of SQL types to Java classes.
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* @return The contents of the array as an array of Java objects.
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* @exception SQLException If an error occurs.
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*/
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Object getArray(Map<String, Class<?>> map) throws SQLException;
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/**
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* Returns a portion of this array starting at <code>start</code>
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* into the array and continuing for <code>count</code>
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* elements. Fewer than the requested number of elements will be
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* returned if the array does not contain the requested number of elements.
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* The object returned will be an array of Java objects of
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* the appropriate types.
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*
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* @param start The offset into this array to start returning elements from.
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* @param count The requested number of elements to return.
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* @return The requested portion of the array.
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* @exception SQLException If an error occurs.
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*/
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Object getArray(long start, int count) throws SQLException;
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/**
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* This method returns a portion of this array starting at <code>start</code>
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* into the array and continuing for <code>count</code>
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* elements. Fewer than the requested number of elements will be
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* returned if the array does not contain the requested number of elements.
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* The object returned will be an array of Java objects. The specified
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* <code>Map</code> will be used for overriding selected SQL type to
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* Java class mappings.
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*
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* @param start The offset into this array to start returning elements from.
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* @param count The requested number of elements to return.
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* @param map A mapping of SQL types to Java classes.
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* @return The requested portion of the array.
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* @exception SQLException If an error occurs.
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*/
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Object getArray(long start, int count, Map<String, Class<?>> map)
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throws SQLException;
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/**
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* Returns the elements in the array as a <code>ResultSet</code>.
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* Each row of the result set will have two columns. The first will be
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* the index into the array of that row's contents. The second will be
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* the actual value of that array element.
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*
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* @return The elements of this array as a <code>ResultSet</code>.
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* @exception SQLException If an error occurs.
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* @see ResultSet
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*/
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ResultSet getResultSet() throws SQLException;
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/**
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* This method returns the elements in the array as a <code>ResultSet</code>.
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* Each row of the result set will have two columns. The first will be
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* the index into the array of that row's contents. The second will be
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* the actual value of that array element. The specified <code>Map</code>
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* will be used to override selected default mappings of SQL types to
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* Java classes.
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*
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* @param map A mapping of SQL types to Java classes.
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* @return The elements of this array as a <code>ResultSet</code>.
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* @exception SQLException If an error occurs.
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* @see ResultSet
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*/
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ResultSet getResultSet(Map<String, Class<?>> map) throws SQLException;
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/**
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* This method returns a portion of the array as a <code>ResultSet</code>.
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* The returned portion will start at <code>start</code> into the
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* array and up to <code>count</code> elements will be returned.
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* <p>
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* Each row of the result set will have two columns. The first will be
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* the index into the array of that row's contents. The second will be
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* the actual value of that array element.
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*
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* @param start The index into the array to start returning elements from.
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* @param count The requested number of elements to return.
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* @return The requested elements of this array as a <code>ResultSet</code>.
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* @exception SQLException If an error occurs.
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* @see ResultSet
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*/
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ResultSet getResultSet(long start, int count) throws SQLException;
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/**
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* This method returns a portion of the array as a <code>ResultSet</code>.
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* The returned portion will start at <code>start</code> into the
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* array and up to <code>count</code> elements will be returned.
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*
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* <p> Each row of the result set will have two columns. The first will be
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* the index into the array of that row's contents. The second will be
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* the actual value of that array element. The specified <code>Map</code>
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* will be used to override selected default mappings of SQL types to
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* Java classes.</p>
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*
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* @param start The index into the array to start returning elements from.
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* @param count The requested number of elements to return.
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* @param map A mapping of SQL types to Java classes.
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* @return The requested elements of this array as a <code>ResultSet</code>.
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* @exception SQLException If an error occurs.
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* @see ResultSet
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*/
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ResultSet getResultSet(long start, int count, Map<String, Class<?>> map)
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throws SQLException;
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}
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