/* CallableStatement.java -- A statement for calling stored procedures. Copyright (C) 1999, 2000 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. As a special exception, if you link this library with other files to produce an executable, this library does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. */ package java.sql; import java.io.InputStream; import java.io.Reader; import java.math.BigDecimal; import java.util.Calendar; import java.util.Map; /** * This interface provides a mechanism for calling stored procedures. * * @author Aaron M. Renn (arenn@urbanophile.com) */ public interface CallableStatement extends PreparedStatement { /*************************************************************************/ /** * This method tests whether the value of the last parameter that was fetched * was actually a SQL NULL value. * * @return true if the last parameter fetched was a NULL, * false otherwise. * * @exception SQLException If an error occurs. */ public abstract boolean wasNull() throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * String. * * @param index The index of the parameter to return. * * @return The parameter value as a String. * * @exception SQLException If an error occurs. */ public abstract String getString(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * Object. * * @param index The index of the parameter to return. * * @return The parameter value as an Object. * * @exception SQLException If an error occurs. */ public abstract Object getObject(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * Object. * * @param index The index of the parameter to return. * @param map The mapping to use for conversion from SQL to Java types. * * @return The parameter value as an Object. * * @exception SQLException If an error occurs. */ public abstract Object getObject(int index, Map map) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * boolean. * * @param index The index of the parameter to return. * * @return The parameter value as a boolean. * * @exception SQLException If an error occurs. */ public abstract boolean getBoolean(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * byte. * * @param index The index of the parameter to return. * * @return The parameter value as a byte. * * @exception SQLException If an error occurs. */ public abstract byte getByte(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * short. * * @param index The index of the parameter to return. * * @return The parameter value as a short. * * @exception SQLException If an error occurs. */ public abstract short getShort(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * int. * * @param index The index of the parameter to return. * * @return The parameter value as a int. * * @exception SQLException If an error occurs. */ public abstract int getInt(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * long. * * @param index The index of the parameter to return. * * @return The parameter value as a long. * * @exception SQLException If an error occurs. */ public abstract long getLong(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * float. * * @param index The index of the parameter to return. * * @return The parameter value as a float. * * @exception SQLException If an error occurs. */ public abstract float getFloat(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * double. * * @param index The index of the parameter to return. * * @return The parameter value as a double. * * @exception SQLException If an error occurs. */ public abstract double getDouble(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * BigDecimal. * * @param index The index of the parameter to return. * * @return The parameter value as a BigDecimal. * * @exception SQLException If an error occurs. */ public abstract BigDecimal getBigDecimal(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * BigDecimal. * * @param index The index of the parameter to return. * @param scale The number of digits to the right of the decimal to return. * * @return The parameter value as a BigDecimal. * * @exception SQLException If an error occurs. */ public abstract BigDecimal getBigDecimal(int index, int scale) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * byte array. * * @param index The index of the parameter to return. * * @return The parameter value as a byte array * * @exception SQLException If an error occurs. */ public abstract byte[] getBytes(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * java.sql.Date. * * @param index The index of the parameter to return. * * @return The parameter value as a java.sql.Date. * * @exception SQLException If an error occurs. */ public abstract java.sql.Date getDate(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * java.sql.Date. * * @param index The index of the parameter to return. * @param calendar The Calendar to use for timezone and locale. * * @return The parameter value as a java.sql.Date. * * @exception SQLException If an error occurs. */ public abstract java.sql.Date getDate(int index, Calendar calendar) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * java.sql.Time. * * @param index The index of the parameter to return. * * @return The parameter value as a java.sql.Time. * * @exception SQLException If an error occurs. */ public abstract java.sql.Time getTime(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * java.sql.Time. * * @param index The index of the parameter to return. * @param calendar The Calendar to use for timezone and locale. * * @return The parameter value as a java.sql.Time. * * @exception SQLException If an error occurs. */ public abstract java.sql.Time getTime(int index, Calendar calendar) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * java.sql.Timestamp. * * @param index The index of the parameter to return. * * @return The parameter value as a java.sql.Timestamp. * * @exception SQLException If an error occurs. */ public abstract java.sql.Timestamp getTimestamp(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * java.sql.Timestamp. * * @param index The index of the parameter to return. * @param calendar The Calendar to use for timezone and locale. * * @return The parameter value as a java.sql.Timestamp. * * @exception SQLException If an error occurs. */ public abstract java.sql.Timestamp getTimestamp(int index, Calendar calendar) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * Ref. * * @param index The index of the parameter to return. * * @return The parameter value as a Ref. * * @exception SQLException If an error occurs. */ public abstract Ref getRef(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * Blob. * * @param index The index of the parameter to return. * * @return The parameter value as a Blob. * * @exception SQLException If an error occurs. */ public abstract Blob getBlob(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * Clob. * * @param index The index of the parameter to return. * * @return The parameter value as a Clob. * * @exception SQLException If an error occurs. */ public abstract Clob getClob(int index) throws SQLException; /*************************************************************************/ /** * This method returns the value of the specified parameter as a Java * Array. * * @param index The index of the parameter to return. * * @return The parameter value as a Array. * * @exception SQLException If an error occurs. */ public abstract Array getArray(int index) throws SQLException; /*************************************************************************/ /** * This method registers the specified parameter as an output parameter * of the specified SQL type. * * @param index The index of the parameter to register as output. * @param type The SQL type value from Types. * * @exception SQLException If an error occurs. */ public abstract void registerOutParameter(int index, int type) throws SQLException; /*************************************************************************/ /** * This method registers the specified parameter as an output parameter * of the specified SQL type. * * @param index The index of the parameter to register as output. * @param type The SQL type value from Types. * @param name The user defined data type name. * * @exception SQLException If an error occurs. */ public abstract void registerOutParameter(int index, int type, String name) throws SQLException; /*************************************************************************/ /** * This method registers the specified parameter as an output parameter * of the specified SQL type and scale. * * @param index The index of the parameter to register as output. * @param type The SQL type value from Types. * @param scale The scale of the value that will be returned. * * @exception SQLException If an error occurs. */ public abstract void registerOutParameter(int index, int type, int scale) throws SQLException; } // interface CallableStatement