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  /*
   * Firebird Open Source J2ee connector - jdbc driver, public Firebird-specific 
   * JDBC extensions.
   *
   * Redistribution and use in source and binary forms, with or without 
   * modification, are permitted provided that the following conditions are met:
   *    1. Redistributions of source code must retain the above copyright notice, 
   *       this list of conditions and the following disclaimer.
   *    2. Redistributions in binary form must reproduce the above copyright 
  *       notice, this list of conditions and the following disclaimer in the 
  *       documentation and/or other materials provided with the distribution. 
  *    3. The name of the author may not be used to endorse or promote products 
  *       derived from this software without specific prior written permission.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 
  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 package org.firebirdsql.jdbc;
 
 
 public interface FirebirdParameterMetaData extends ParameterMetaData {
    
Retrieves the number of parameters in the PreparedStatement object for which this ParameterMetaData object contains information.

Returns:
the number of parameters
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
 
     int getParameterCount() throws SQLException;

    
Retrieves whether null values are allowed in the designated parameter.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
the nullability status of the given parameter; one of ParameterMetaData.parameterNoNulls, ParameterMetaData.parameterNullable, or ParameterMetaData.parameterNullableUnknown
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
 
     int isNullable(int paramthrows SQLException;

    
The constant indicating that a parameter will not allow NULL values.
 
     int parameterNoNulls = 0;

    
The constant indicating that a parameter will allow NULL values.
 
     int parameterNullable = 1;

    
The constant indicating that the nullability of a parameter is unknown.
 
     int parameterNullableUnknown = 2;

    
Retrieves whether values for the designated parameter can be signed numbers.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
true if so; false otherwise
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
 
     boolean isSigned(int paramthrows SQLException;

    
Retrieves the designated parameter's number of decimal digits.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
precision
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
 
     int getPrecision(int paramthrows SQLException;

    
Retrieves the designated parameter's number of digits to right of the decimal point.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
scale
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
    int getScale(int paramthrows SQLException;    

    
Retrieves the designated parameter's SQL type.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
SQL type from java.sql.Types
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
See also:
java.sql.Types
    int getParameterType(int paramthrows SQLException;

    
Retrieves the designated parameter's database-specific type name.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
type the name used by the database. If the parameter type is a user-defined type, then a fully-qualified type name is returned.
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
    String getParameterTypeName(int paramthrows SQLException;

 
    
Retrieves the fully-qualified name of the Java class whose instances should be passed to the method PreparedStatement.setObject.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
the fully-qualified name of the class in the Java programming language that would be used by the method PreparedStatement.setObject to set the value in the specified parameter. This is the class name used for custom mapping.
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
    String getParameterClassName(int paramthrows SQLException;

    
The constant indicating that the mode of the parameter is unknown.
    int parameterModeUnknown = 0;

    
The constant indicating that the parameter's mode is IN.
    int parameterModeIn = 1;

    
The constant indicating that the parameter's mode is INOUT.
    int parameterModeInOut = 2;

    
The constant indicating that the parameter's mode is OUT.
    int parameterModeOut = 4;

    
Retrieves the designated parameter's mode.

Parameters:
param the first parameter is 1, the second is 2, ...
Returns:
mode of the parameter; one of ParameterMetaData.parameterModeIn, ParameterMetaData.parameterModeOut, or ParameterMetaData.parameterModeInOut ParameterMetaData.parameterModeUnknown.
Throws:
java.sql.SQLException if a database access error occurs
Since:
1.4
    int getParameterMode(int paramthrows SQLException;
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