| /* |
| * 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.utils.obs; |
| |
| import java.io.Closeable; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.cassandra.db.TypeSizes; |
| |
| public interface IBitSet extends Closeable |
| { |
| public long capacity(); |
| |
| /** |
| * Returns true or false for the specified bit index. The index should be |
| * less than the capacity. |
| */ |
| public boolean get(long index); |
| |
| /** |
| * Sets the bit at the specified index. The index should be less than the |
| * capacity. |
| */ |
| public void set(long index); |
| |
| /** |
| * clears the bit. The index should be less than the capacity. |
| */ |
| public void clear(long index); |
| |
| public void serialize(DataOutput out) throws IOException; |
| |
| public long serializedSize(TypeSizes type); |
| |
| public void clear(); |
| |
| public void close(); |
| |
| /** |
| * Returns the amount of memory in bytes used off heap. |
| * @return the amount of memory in bytes used off heap |
| */ |
| public long offHeapSize(); |
| } |