NamedGeneratedKeysHelperpublic class NamedGeneratedKeysHelper extends Object
| Fields Summary |
|---|
| private static final Method | PREPARE_STATEMENT_METHOD | | private static final Method | GET_GENERATED_KEYS_METHOD |
| Constructors Summary |
|---|
private NamedGeneratedKeysHelper()
|
| Methods Summary |
|---|
| public static java.sql.ResultSet | getGeneratedKey(java.sql.PreparedStatement ps)
try {
return ( ResultSet ) GET_GENERATED_KEYS_METHOD.invoke( ps, null );
}
catch ( InvocationTargetException ite ) {
if ( ite.getTargetException() instanceof SQLException ) {
throw ( SQLException ) ite.getTargetException();
}
else if ( ite.getTargetException() instanceof RuntimeException ) {
throw ( RuntimeException ) ite.getTargetException();
}
else {
throw new AssertionFailure( "InvocationTargetException extracting generated keys (JDBC3)", ite );
}
}
catch ( IllegalAccessException iae ) {
throw new AssertionFailure( "IllegalAccessException extracting generated keys (JDBC3)", iae );
}
| | public static java.sql.PreparedStatement | prepareStatement(java.sql.Connection conn, java.lang.String sql, java.lang.String[] columnNames)
try {
PREPARE_STATEMENT_METHOD = Connection.class.getMethod(
"prepareStatement",
new Class[] { String.class, String[].class }
);
GET_GENERATED_KEYS_METHOD = Statement.class.getDeclaredMethod(
"getGeneratedKeys",
null
);
}
catch ( Exception e ) {
throw new AssertionFailure( "could not initialize getGeneratedKeys() support", e );
}
Object[] args = new Object[] { sql, columnNames } ;
try {
return ( PreparedStatement ) PREPARE_STATEMENT_METHOD.invoke( conn, args );
}
catch ( InvocationTargetException ite ) {
if ( ite.getTargetException() instanceof SQLException ) {
throw ( SQLException ) ite.getTargetException();
}
else if ( ite.getTargetException() instanceof RuntimeException ) {
throw ( RuntimeException ) ite.getTargetException();
}
else {
throw new AssertionFailure( "InvocationTargetException preparing statement capable of returning generated keys (JDBC3)", ite );
}
}
catch ( IllegalAccessException iae ) {
throw new AssertionFailure( "IllegalAccessException preparing statement capable of returning generated keys (JDBC3)", iae );
}
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