| /* |
| * 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.ignite.internal.client; |
| |
| import java.util.BitSet; |
| import java.util.Collection; |
| import java.util.EnumSet; |
| |
| /** |
| * Defines supported bitmask features for thin client. |
| */ |
| public enum ProtocolBitmaskFeature { |
| /** Feature for user attributes. */ |
| USER_ATTRIBUTES(0); |
| |
| /** */ |
| private static final EnumSet<ProtocolBitmaskFeature> ALL_FEATURES_AS_ENUM_SET = |
| EnumSet.allOf(ProtocolBitmaskFeature.class); |
| |
| /** Feature id. */ |
| private final int featureId; |
| |
| /** |
| * @param id Feature ID. |
| */ |
| ProtocolBitmaskFeature(int id) { |
| featureId = id; |
| } |
| |
| /** |
| * @return Feature ID. |
| */ |
| public int featureId() { |
| return featureId; |
| } |
| |
| /** |
| * @param bytes Feature byte array. |
| * @return Set of supported features. |
| */ |
| public static EnumSet<ProtocolBitmaskFeature> enumSet(byte[] bytes) { |
| EnumSet<ProtocolBitmaskFeature> set = EnumSet.noneOf(ProtocolBitmaskFeature.class); |
| |
| if (bytes == null) |
| return set; |
| |
| final BitSet bSet = BitSet.valueOf(bytes); |
| |
| for (ProtocolBitmaskFeature e : ProtocolBitmaskFeature.values()) { |
| if (bSet.get(e.featureId())) |
| set.add(e); |
| } |
| |
| return set; |
| } |
| |
| /** |
| * @param features Feature set. |
| * @return Byte array representing all supported features. |
| */ |
| static byte[] featuresAsBytes(Collection<ProtocolBitmaskFeature> features) { |
| final BitSet set = new BitSet(); |
| |
| for (ProtocolBitmaskFeature f : features) |
| set.set(f.featureId()); |
| |
| return set.toByteArray(); |
| } |
| |
| /** |
| * @return All features as a set. |
| */ |
| public static EnumSet<ProtocolBitmaskFeature> allFeaturesAsEnumSet() { |
| return ALL_FEATURES_AS_ENUM_SET.clone(); |
| } |
| } |