| /* |
| * 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.geode.cache.query.cq.internal; |
| |
| import java.util.Collections; |
| import java.util.Set; |
| |
| /** |
| * No op implementation, used when the property CqServiceProvider.MAINTAIN_KEYS is set as false. |
| */ |
| class ServerCQResultsCacheNoOpImpl implements ServerCQResultsCache { |
| private static final Set<Object> EMPTY_CACHE = Collections.emptySet(); |
| |
| @Override |
| public void setInitialized() {} |
| |
| @Override |
| public boolean isInitialized() { |
| return false; |
| } |
| |
| @Override |
| public void add(Object key) {} |
| |
| @Override |
| public void remove(Object key, boolean isTokenMode) {} |
| |
| @Override |
| public void invalidate() {} |
| |
| @Override |
| public boolean contains(Object key) { |
| return false; |
| } |
| |
| @Override |
| public void markAsDestroyed(Object key) {} |
| |
| @Override |
| public int size() { |
| return 0; |
| } |
| |
| @Override |
| public Set<Object> getKeys() { |
| return EMPTY_CACHE; |
| } |
| |
| @Override |
| public boolean isOldValueRequiredForQueryProcessing(Object key) { |
| return true; |
| } |
| |
| @Override |
| public boolean isKeyDestroyed(Object key) { |
| return false; |
| } |
| |
| @Override |
| public void clear() {} |
| } |