org.apache.derby.client.am
Class ParameterMetaData40

java.lang.Object
  org.apache.derby.client.am.ParameterMetaData
      org.apache.derby.client.am.ParameterMetaData40

All Implemented Interfaces:

java.sql.ParameterMetaData, java.sql.Wrapper

public class ParameterMetaData40
extends ParameterMetaData

Field Summary

Fields inherited from class org.apache.derby.client.am.ParameterMetaData

columnMetaData_

Fields inherited from interface java.sql.ParameterMetaData

parameterModeIn, parameterModeInOut, parameterModeOut, parameterModeUnknown, parameterNoNulls, parameterNullable, parameterNullableUnknown

Constructor Summary

ParameterMetaData40(ColumnMetaData columnMetaData)
Calls the superclass constructor to pass the arguments

Method Summary

boolean	isWrapperFor(java.lang.Class<?> interfaces) Returns false unless interfaces is implemented
<T> T	unwrap(java.lang.Class<T> interfaces) Returns this if this class implements the interface

Methods inherited from class org.apache.derby.client.am.ParameterMetaData

getParameterClassName, getParameterCount, getParameterMode, getParameterType, getParameterTypeName, getPrecision, getScale, isNullable, isSigned

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ParameterMetaData40

public ParameterMetaData40(ColumnMetaData columnMetaData)

Calls the superclass constructor to pass the arguments

Parameters:

columnMetaData - ColumnMetaData

Method Detail

isWrapperFor

public boolean isWrapperFor(java.lang.Class<?> interfaces)
                     throws java.sql.SQLException

Returns false unless interfaces is implemented

Parameters:

interfaces - a Class defining an interface.

Returns:

true if this implements the interface or directly or indirectly wraps an object that does.

Throws:

java.sql.SQLException - if an error occurs while determining whether this is a wrapper for an object with the given interface.

unwrap

public <T> T unwrap(java.lang.Class<T> interfaces)
         throws java.sql.SQLException

Returns this if this class implements the interface

Parameters:

interfaces - a Class defining an interface

Returns:

an object that implements the interface

Throws:

java.sql.SQLExption - if no object if found that implements the interface

java.sql.SQLException