| /* |
| * 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.query; |
| |
| import java.io.Externalizable; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import org.apache.ignite.internal.util.typedef.F; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Immutable query metrics key used to group metrics. |
| */ |
| class GridCacheQueryMetricsKey implements Externalizable { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** */ |
| private GridCacheQueryType type; |
| |
| /** */ |
| private Class<?> cls; |
| |
| /** */ |
| private String clause; |
| |
| /** |
| * Constructs key. |
| * |
| * @param type Query type. |
| * @param cls Query return type. |
| * @param clause Query clause. |
| */ |
| GridCacheQueryMetricsKey(@Nullable GridCacheQueryType type, |
| @Nullable Class<?> cls, @Nullable String clause) { |
| this.type = type; |
| this.cls = cls; |
| this.clause = clause; |
| } |
| |
| /** |
| * Required by {@link Externalizable}. |
| */ |
| public GridCacheQueryMetricsKey() { |
| // No-op. |
| } |
| |
| /** |
| * @return Query type. |
| */ |
| GridCacheQueryType type() { |
| return type; |
| } |
| |
| /** |
| * @return Query return type. |
| */ |
| Class<?> queryClass() { |
| return cls; |
| } |
| |
| /** |
| * @return Query clause. |
| */ |
| String clause() { |
| return clause; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object obj) { |
| if (obj == this) |
| return true; |
| |
| if (!(obj instanceof GridCacheQueryMetricsKey)) |
| return false; |
| |
| GridCacheQueryMetricsKey oth = (GridCacheQueryMetricsKey)obj; |
| |
| return oth.type() == type && F.eq(oth.queryClass(), cls) && F.eq(oth.clause(), clause); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| return (type != null ? type.ordinal() : -1) + |
| 31 * (cls != null ? cls.hashCode() : 0) + |
| 31 * 31 * (clause != null ? clause.hashCode() : 0); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeExternal(ObjectOutput out) throws IOException { |
| U.writeEnum(out, type); |
| out.writeObject(cls); |
| U.writeString(out, clause); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| type = GridCacheQueryType.fromOrdinal(in.readByte()); |
| cls = (Class<?>)in.readObject(); |
| clause = U.readString(in); |
| } |
| } |