parquet.io.PrimitiveColumnIO Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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;
import java.util.Arrays;
import java.util.List;
import parquet.column.ColumnDescriptor;
import parquet.schema.Type;
import parquet.schema.PrimitiveType;
import parquet.schema.PrimitiveType.PrimitiveTypeName;
/**
* Primitive level of the IO structure
*
*
* @author Julien Le Dem
*
*/
public class PrimitiveColumnIO extends ColumnIO {
// private static final Logger logger = Logger.getLogger(PrimitiveColumnIO.class.getName());
private ColumnIO[] path;
private ColumnDescriptor columnDescriptor;
private final int id;
PrimitiveColumnIO(Type type, GroupColumnIO parent, int index, int id) {
super(type, parent, index);
this.id = id;
}
@Override
void setLevels(int r, int d, String[] fieldPath, int[] fieldIndexPath, List repetition, List path) {
super.setLevels(r, d, fieldPath, fieldIndexPath, repetition, path);
PrimitiveType type = getType().asPrimitiveType();
this.columnDescriptor = new ColumnDescriptor(
fieldPath,
type.getPrimitiveTypeName(),
type.getTypeLength(),
getRepetitionLevel(),
getDefinitionLevel());
this.path = path.toArray(new ColumnIO[path.size()]);
}
@Override
List getColumnNames() {
return Arrays.asList(new String[][] { getFieldPath() });
}
public ColumnDescriptor getColumnDescriptor() {
return columnDescriptor;
}
public ColumnIO[] getPath() {
return path;
}
public boolean isLast(int r) {
return getLast(r) == this;
}
private PrimitiveColumnIO getLast(int r) {
ColumnIO parent = getParent(r);
PrimitiveColumnIO last = parent.getLast();
return last;
}
@Override
PrimitiveColumnIO getLast() {
return this;
}
@Override
PrimitiveColumnIO getFirst() {
return this;
}
public boolean isFirst(int r) {
return getFirst(r) == this;
}
private PrimitiveColumnIO getFirst(int r) {
ColumnIO parent = getParent(r);
return parent.getFirst();
}
public PrimitiveTypeName getPrimitive() {
return getType().asPrimitiveType().getPrimitiveTypeName();
}
public int getId() {
return id;
}
}