/**
* Configures this JDBCOutputFormat.
*
* @param parameters Configuration containing all parameters.
*/
@Override
public void configure(Configuration parameters) {
this.driverName = parameters.getString(DRIVER_KEY, null);
this.username = parameters.getString(USERNAME_KEY, null);
this.password = parameters.getString(PASSWORD_KEY, null);
this.dbURL = parameters.getString(URL_KEY, null);
this.query = parameters.getString(QUERY_KEY, null);
this.fieldCount = parameters.getInteger(FIELD_COUNT_KEY, 0);
this.batchInterval = parameters.getInteger(BATCH_INTERVAL, DEFAULT_BATCH_INTERVERAL);
@SuppressWarnings("unchecked")
Class<Value>[] classes = new Class[this.fieldCount];
this.fieldClasses = classes;
for (int i = 0; i < this.fieldCount; i++) {
@SuppressWarnings("unchecked")
Class<? extends Value> clazz =
(Class<? extends Value>) parameters.getClass(FIELD_TYPE_KEY + i, null);
if (clazz == null) {
throw new IllegalArgumentException(
"Invalid configuration for JDBCOutputFormat: " + "No type class for parameter " + i);
}
this.fieldClasses[i] = clazz;
}
}
@Override
public void configure(Configuration parameters) {
super.configure(parameters);
// get the charset for the decoding
String charsetName = parameters.getString(CHARSET_NAME, DEFAULT_CHARSET_NAME);
if (charsetName == null || !Charset.isSupported(charsetName)) {
throw new RuntimeException("Unsupported charset: " + charsetName);
}
if (charsetName.equals("ISO-8859-1") || charsetName.equalsIgnoreCase("ASCII")) {
this.ascii = true;
} else {
this.decoder = Charset.forName(charsetName).newDecoder();
this.byteWrapper = ByteBuffer.allocate(1);
}
// get the field position to write in the record
this.pos = parameters.getInteger(FIELD_POS, 0);
if (this.pos < 0) {
throw new RuntimeException(
"Illegal configuration value for the target position: " + this.pos);
}
}