| /* |
| * 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.client.fakes; |
| |
| import java.util.concurrent.ConcurrentNavigableMap; |
| import java.util.concurrent.ConcurrentSkipListMap; |
| import java.util.function.Function; |
| import org.apache.ignite.internal.schema.BinaryRow; |
| import org.apache.ignite.internal.schema.SchemaDescriptor; |
| import org.apache.ignite.internal.schema.SchemaRegistry; |
| import org.apache.ignite.internal.schema.registry.SchemaRegistryException; |
| import org.apache.ignite.internal.schema.row.Row; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * Fake schema registry for tests. |
| */ |
| public class FakeSchemaRegistry implements SchemaRegistry { |
| /** Last registered version. */ |
| private static volatile int lastVer = 1; |
| |
| /** Cached schemas. */ |
| private final ConcurrentNavigableMap<Integer, SchemaDescriptor> schemaCache = new ConcurrentSkipListMap<>(); |
| |
| /** Schema store. */ |
| private final Function<Integer, SchemaDescriptor> history; |
| |
| /** |
| * Constructor. |
| * |
| * @param history Schema history. |
| */ |
| public FakeSchemaRegistry(Function<Integer, SchemaDescriptor> history) { |
| this.history = history; |
| } |
| |
| /** |
| * Sets the last schema version |
| * |
| * @param lastVer Last schema version. |
| */ |
| public static void setLastVer(int lastVer) { |
| FakeSchemaRegistry.lastVer = lastVer; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override @NotNull public SchemaDescriptor schema(int ver) { |
| SchemaDescriptor desc = schemaCache.get(ver); |
| |
| if (desc != null) |
| return desc; |
| |
| desc = history.apply(ver); |
| |
| if (desc != null) { |
| schemaCache.putIfAbsent(ver, desc); |
| |
| return desc; |
| } |
| |
| if (lastVer < ver || ver <= 0) |
| throw new SchemaRegistryException("Incorrect schema version requested: ver=" + ver); |
| else |
| throw new SchemaRegistryException("Failed to find schema: ver=" + ver); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public @Nullable SchemaDescriptor schema() { |
| return schema(lastVer); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public int lastSchemaVersion() { |
| return lastVer; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Row resolve(BinaryRow row) { |
| return new Row(schema(row.schemaVersion()), row); |
| } |
| } |