/* * 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 org.apache.cassandra.db.composites; import java.nio.ByteBuffer; import org.apache.cassandra.cql3.CQL3Row; import org.apache.cassandra.cql3.ColumnIdentifier; import org.apache.cassandra.db.marshal.AbstractType; public class SimpleDenseCellNameType extends AbstractSimpleCellNameType { public SimpleDenseCellNameType(AbstractType<?> type) { super(type); } public int clusteringPrefixSize() { return 1; } public CBuilder prefixBuilder() { // Simple dense is "all" prefix return builder(); } public CellNameType setSubtype(int position, AbstractType<?> newType) { if (position != 0) throw new IllegalArgumentException(); return new SimpleDenseCellNameType(newType); } public boolean isDense() { return true; } public CellName create(Composite prefix, ColumnIdentifier columnName) { assert prefix.size() == 1; // We ignore the columnName because it's just the COMPACT_VALUE name which is not store in the cell name return new SimpleDenseCellName(prefix.get(0)); } @Override public Composite fromByteBuffer(ByteBuffer bb) { return !bb.hasRemaining() ? Composites.EMPTY : new SimpleDenseCellName(bb); } public void addCQL3Column(ColumnIdentifier id) {} public void removeCQL3Column(ColumnIdentifier id) {} public CQL3Row.Builder CQL3RowBuilder(long now) { return makeDenseCQL3RowBuilder(now); } }