| /* |
| * 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.platform.entityframework; |
| |
| import org.apache.ignite.binary.BinaryObjectException; |
| import org.apache.ignite.binary.BinaryRawReader; |
| import org.apache.ignite.binary.BinaryRawWriter; |
| import org.apache.ignite.binary.BinaryReader; |
| import org.apache.ignite.binary.BinaryWriter; |
| import org.apache.ignite.binary.Binarylizable; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Arrays; |
| |
| /** |
| * EntityFramework cache key: query + versions. |
| */ |
| @SuppressWarnings("WeakerAccess") |
| public class PlatformDotNetEntityFrameworkCacheKey |
| implements Binarylizable, Comparable<PlatformDotNetEntityFrameworkCacheKey> { |
| /** Query text. */ |
| private String query; |
| |
| /** Entity set versions. */ |
| private long[] versions; |
| |
| /** |
| * Ctor. |
| */ |
| public PlatformDotNetEntityFrameworkCacheKey() { |
| // No-op. |
| } |
| |
| /** |
| * Ctor. |
| * |
| * @param query Query text. |
| * @param versions Versions. |
| */ |
| PlatformDotNetEntityFrameworkCacheKey(String query, long[] versions) { |
| assert query != null; |
| |
| this.query = query; |
| this.versions = versions; |
| } |
| |
| /** |
| * Gets the query text. |
| * |
| * @return Query text. |
| */ |
| public String query() { |
| return query; |
| } |
| |
| /** |
| * Gets the entity set versions. |
| * |
| * @return Entity set versions. |
| */ |
| public long[] versions() { |
| return versions; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| |
| if (o == null || getClass() != o.getClass()) |
| return false; |
| |
| PlatformDotNetEntityFrameworkCacheKey key = (PlatformDotNetEntityFrameworkCacheKey)o; |
| |
| //noinspection SimplifiableIfStatement |
| if (!query.equals(key.query)) |
| return false; |
| |
| return Arrays.equals(versions, key.versions); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int hashCode() { |
| int result = query.hashCode(); |
| |
| result = 31 * result + Arrays.hashCode(versions); |
| |
| return result; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void writeBinary(BinaryWriter writer) throws BinaryObjectException { |
| final BinaryRawWriter raw = writer.rawWriter(); |
| |
| raw.writeString(query); |
| |
| if (versions != null) { |
| raw.writeInt(versions.length); |
| |
| for (long ver : versions) |
| raw.writeLong(ver); |
| } |
| else |
| raw.writeInt(-1); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void readBinary(BinaryReader reader) throws BinaryObjectException { |
| BinaryRawReader raw = reader.rawReader(); |
| |
| query = raw.readString(); |
| |
| int cnt = raw.readInt(); |
| |
| if (cnt >= 0) { |
| versions = new long[cnt]; |
| |
| for (int i = 0; i < cnt; i++) |
| versions[i] = raw.readLong(); |
| } |
| else |
| versions = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int compareTo(@NotNull PlatformDotNetEntityFrameworkCacheKey o) { |
| int cmpQuery = query.compareTo(o.query); |
| |
| if (cmpQuery != 0) |
| return cmpQuery; |
| |
| if (versions == null) { |
| return o.versions == null ? 0 : -1; |
| } |
| |
| if (o.versions == null) |
| return 1; |
| |
| assert versions.length == o.versions.length; |
| |
| for (int i = 0; i < versions.length; i++) { |
| if (versions[i] != o.versions[i]) { |
| return versions[i] > o.versions[i] ? 1 : -1; |
| } |
| } |
| |
| return 0; |
| } |
| } |