parquet.io.api.PrimitiveConverter Maven / Gradle / Ivy
/**
* Copyright 2012 Twitter, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package parquet.io.api;
import parquet.column.Dictionary;
/**
* converter for leaves of the schema
*
* @author Julien Le Dem
*
*/
abstract public class PrimitiveConverter extends Converter {
@Override
public boolean isPrimitive() {
return true;
}
@Override
public PrimitiveConverter asPrimitiveConverter() {
return this;
}
/**
* if it returns true we will attempt to use dictionary based conversion instead
* @return if dictionary is supported
*/
public boolean hasDictionarySupport() {
return false;
}
/**
* Set the dictionary to use if the data was encoded using dictionary encoding
* and the converter hasDictionarySupport().
* @param dictionary the dictionary to use for conversion
*/
public void setDictionary(Dictionary dictionary) {
throw new UnsupportedOperationException(getClass().getName());
}
/** runtime calls **/
/**
* add a value based on the dictionary set with setDictionary()
* Will be used if the Converter has dictionary support and the data was encoded using a dictionary
* @param dictionaryId the id in the dictionary of the value to add
*/
public void addValueFromDictionary(int dictionaryId) {
throw new UnsupportedOperationException(getClass().getName());
}
/**
* @param value value to set
*/
public void addBinary(Binary value) {
throw new UnsupportedOperationException(getClass().getName());
}
/**
* @param value value to set
*/
public void addBoolean(boolean value) {
throw new UnsupportedOperationException(getClass().getName());
}
/**
* @param value value to set
*/
public void addDouble(double value) {
throw new UnsupportedOperationException(getClass().getName());
}
/**
* @param value value to set
*/
public void addFloat(float value) {
throw new UnsupportedOperationException(getClass().getName());
}
/**
* @param value value to set
*/
public void addInt(int value) {
throw new UnsupportedOperationException(getClass().getName());
}
/**
* @param value value to set
*/
public void addLong(long value) {
throw new UnsupportedOperationException(getClass().getName());
}
}