| /* |
| * 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.processors.cache; |
| |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Cache operation filter. |
| */ |
| public enum CacheOperationFilter { |
| /** Always pass. */ |
| ALWAYS, |
| |
| /** No value. */ |
| NO_VAL, |
| |
| /** Has value. */ |
| HAS_VAL, |
| |
| /** Equals to value. */ |
| EQUALS_VAL; |
| |
| /** |
| * Creare predicate from operation filter. |
| * |
| * @param val Optional value. |
| * @return Predicate. |
| */ |
| @Nullable public CacheEntryPredicate createPredicate(@Nullable CacheObject val) { |
| switch (this) { |
| case ALWAYS: |
| return null; |
| |
| case NO_VAL: |
| return new CacheEntryPredicateNoValue(); |
| |
| case HAS_VAL: |
| return new CacheEntryPredicateHasValue(); |
| |
| default: |
| assert this == EQUALS_VAL; |
| |
| return new CacheEntryPredicateContainsValue(val); |
| } |
| } |
| } |