| /* |
| * 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.io.Serializable; |
| |
| /** |
| * Cache metrics used to obtain statistics on cache itself or any of its entries. |
| * Cache metrics can be fetched from server either for the whole cache or for |
| * specific entry via any of the {@code metrics(...)} methods available on |
| * {@link GridClientData} API. |
| */ |
| public interface GridClientDataMetrics extends Serializable { |
| /** |
| * Gets create time of the owning entity (either cache or entry). |
| * |
| * @return Create time. |
| */ |
| public long createTime(); |
| |
| /** |
| * Gets last write time of the owning entity (either cache or entry). |
| * |
| * @return Last write time. |
| */ |
| public long writeTime(); |
| |
| /** |
| * Gets last read time of the owning entity (either cache or entry). |
| * |
| * @return Last read time. |
| */ |
| public long readTime(); |
| |
| /** |
| * Gets total number of reads of the owning entity (either cache or entry). |
| * |
| * @return Total number of reads. |
| */ |
| public int reads(); |
| |
| /** |
| * Gets total number of writes of the owning entity (either cache or entry). |
| * |
| * @return Total number of writes. |
| */ |
| public int writes(); |
| |
| /** |
| * Gets total number of hits for the owning entity (either cache or entry). |
| * |
| * @return Number of hits. |
| */ |
| public int hits(); |
| |
| /** |
| * Gets total number of misses for the owning entity (either cache or entry). |
| * |
| * @return Number of misses. |
| */ |
| public int misses(); |
| } |