Add DataConsistencyCheckAlgorithmInfoRegistry (#29084)

kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/common/pojo/DataConsistencyCheckAlgorithmInfoRegistry.java

@@ -0,0 +1,61 @@
+/*
+ * 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.shardingsphere.data.pipeline.common.pojo;
+
+import lombok.NoArgsConstructor;
+import org.apache.shardingsphere.data.pipeline.core.consistencycheck.table.TableDataConsistencyChecker;
+import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
+import org.apache.shardingsphere.infra.spi.ShardingSphereServiceLoader;
+import org.apache.shardingsphere.infra.spi.annotation.SPIDescription;
+
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.stream.Collectors;
+
+/**
+ * Data consistency check algorithm info registry.
+ */
+@NoArgsConstructor
+public final class DataConsistencyCheckAlgorithmInfoRegistry {
+
+    private static final Collection<DataConsistencyCheckAlgorithmInfo> ALGORITHM_INFOS = loadAllAlgorithms();
+
+    private static Collection<DataConsistencyCheckAlgorithmInfo> loadAllAlgorithms() {
+        Collection<DataConsistencyCheckAlgorithmInfo> result = new LinkedList<>();
+        for (TableDataConsistencyChecker each : ShardingSphereServiceLoader.getServiceInstances(TableDataConsistencyChecker.class)) {
+            SPIDescription description = each.getClass().getAnnotation(SPIDescription.class);
+            String typeAliases = each.getTypeAliases().stream().map(Object::toString).collect(Collectors.joining(","));
+            result.add(
+                    new DataConsistencyCheckAlgorithmInfo(each.getType(), typeAliases, getSupportedDatabaseTypes(each.getSupportedDatabaseTypes()), null == description ? "" : description.value()));
+        }
+        return result;
+    }
+
+    private static Collection<DatabaseType> getSupportedDatabaseTypes(final Collection<DatabaseType> supportedDatabaseTypes) {
+        return supportedDatabaseTypes.isEmpty() ? ShardingSphereServiceLoader.getServiceInstances(DatabaseType.class) : supportedDatabaseTypes;
+    }
+
+    /**
+     * Get all data consistency check algorithm infos.
+     * 
+     * @return all data consistency check algorithm infos
+     */
+    public static Collection<DataConsistencyCheckAlgorithmInfo> getAllAlgorithmInfos() {
+        return ALGORITHM_INFOS;
+    }
+}

kernel/data-pipeline/core/src/main/java/org/apache/shardingsphere/data/pipeline/core/job/service/InventoryIncrementalJobManager.java

@@ -28,27 +28,20 @@
 import org.apache.shardingsphere.data.pipeline.common.job.progress.JobOffsetInfo;
 import org.apache.shardingsphere.data.pipeline.common.job.progress.yaml.YamlJobOffsetInfo;
 import org.apache.shardingsphere.data.pipeline.common.job.progress.yaml.YamlJobOffsetInfoSwapper;
-import org.apache.shardingsphere.data.pipeline.common.pojo.DataConsistencyCheckAlgorithmInfo;
 import org.apache.shardingsphere.data.pipeline.common.pojo.InventoryIncrementalJobItemInfo;
 import org.apache.shardingsphere.data.pipeline.common.pojo.TableBasedPipelineJobInfo;
 import org.apache.shardingsphere.data.pipeline.core.consistencycheck.result.TableDataConsistencyCheckResult;
-import org.apache.shardingsphere.data.pipeline.core.consistencycheck.table.TableDataConsistencyChecker;
 import org.apache.shardingsphere.data.pipeline.core.job.PipelineJobIdUtils;
 import org.apache.shardingsphere.data.pipeline.core.metadata.PipelineProcessConfigurationPersistService;
 import org.apache.shardingsphere.elasticjob.infra.pojo.JobConfigurationPOJO;
-import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
-import org.apache.shardingsphere.infra.spi.ShardingSphereServiceLoader;
-import org.apache.shardingsphere.infra.spi.annotation.SPIDescription;
 import org.apache.shardingsphere.infra.util.yaml.YamlEngine;
 
-import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Optional;
-import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
 /**
@@ -89,11 +82,9 @@ public PipelineProcessConfiguration showProcessConfiguration(final PipelineConte
      * @return job item infos
      */
     public List<InventoryIncrementalJobItemInfo> getJobItemInfos(final String jobId) {
-        PipelineJobManager jobManager = new PipelineJobManager(jobAPI);
-        PipelineJobConfiguration jobConfig = jobManager.getJobConfiguration(jobId);
+        PipelineJobConfiguration jobConfig = new PipelineJobManager(jobAPI).getJobConfiguration(jobId);
         long startTimeMillis = Long.parseLong(Optional.ofNullable(PipelineJobIdUtils.getElasticJobConfigurationPOJO(jobId).getProps().getProperty("start_time_millis")).orElse("0"));
-        InventoryIncrementalJobManager inventoryIncrementalJobManager = new InventoryIncrementalJobManager(jobAPI);
-        Map<Integer, InventoryIncrementalJobItemProgress> jobProgress = inventoryIncrementalJobManager.getJobProgress(jobConfig);
+        Map<Integer, InventoryIncrementalJobItemProgress> jobProgress = getJobProgress(jobConfig);
         List<InventoryIncrementalJobItemInfo> result = new LinkedList<>();
         PipelineJobItemManager<InventoryIncrementalJobItemProgress> jobItemManager = new PipelineJobItemManager<>(jobAPI.getYamlJobItemProgressSwapper());
         for (Entry<Integer, InventoryIncrementalJobItemProgress> entry : jobProgress.entrySet()) {
@@ -155,25 +146,6 @@ public JobOffsetInfo getJobOffsetInfo(final String jobId) {
         return new YamlJobOffsetInfoSwapper().swapToObject(offsetInfo.isPresent() ? YamlEngine.unmarshal(offsetInfo.get(), YamlJobOffsetInfo.class) : new YamlJobOffsetInfo());
     }
 
-    /**
-     * List all data consistency check algorithms from SPI.
-     *
-     * @return data consistency check algorithms
-     */
-    public Collection<DataConsistencyCheckAlgorithmInfo> listDataConsistencyCheckAlgorithms() {
-        Collection<DataConsistencyCheckAlgorithmInfo> result = new LinkedList<>();
-        for (TableDataConsistencyChecker each : ShardingSphereServiceLoader.getServiceInstances(TableDataConsistencyChecker.class)) {
-            SPIDescription description = each.getClass().getAnnotation(SPIDescription.class);
-            String typeAliases = each.getTypeAliases().stream().map(Object::toString).collect(Collectors.joining(","));
-            result.add(new DataConsistencyCheckAlgorithmInfo(each.getType(), typeAliases, getSupportedDatabaseTypes(each.getSupportedDatabaseTypes()), null == description ? "" : description.value()));
-        }
-        return result;
-    }
-
-    private Collection<DatabaseType> getSupportedDatabaseTypes(final Collection<DatabaseType> supportedDatabaseTypes) {
-        return supportedDatabaseTypes.isEmpty() ? ShardingSphereServiceLoader.getServiceInstances(DatabaseType.class) : supportedDatabaseTypes;
-    }
-
     /**
      * Aggregate data consistency check results.
      *

kernel/data-pipeline/distsql/handler/src/main/java/org/apache/shardingsphere/migration/distsql/handler/query/ShowMigrationCheckAlgorithmsExecutor.java

@@ -17,13 +17,10 @@
 
 package org.apache.shardingsphere.migration.distsql.handler.query;
 
-import org.apache.shardingsphere.data.pipeline.core.job.service.InventoryIncrementalJobAPI;
-import org.apache.shardingsphere.data.pipeline.core.job.service.InventoryIncrementalJobManager;
-import org.apache.shardingsphere.data.pipeline.core.job.service.PipelineJobAPI;
+import org.apache.shardingsphere.data.pipeline.common.pojo.DataConsistencyCheckAlgorithmInfoRegistry;
 import org.apache.shardingsphere.distsql.handler.ral.query.QueryableRALExecutor;
 import org.apache.shardingsphere.infra.database.core.type.DatabaseType;
 import org.apache.shardingsphere.infra.merge.result.impl.local.LocalDataQueryResultRow;
-import org.apache.shardingsphere.infra.spi.type.typed.TypedSPILoader;
 import org.apache.shardingsphere.migration.distsql.statement.ShowMigrationCheckAlgorithmsStatement;
 
 import java.util.Arrays;
@@ -37,8 +34,7 @@ public final class ShowMigrationCheckAlgorithmsExecutor implements QueryableRALE
 
     @Override
     public Collection<LocalDataQueryResultRow> getRows(final ShowMigrationCheckAlgorithmsStatement sqlStatement) {
-        InventoryIncrementalJobManager inventoryIncrementalJobManager = new InventoryIncrementalJobManager((InventoryIncrementalJobAPI) TypedSPILoader.getService(PipelineJobAPI.class, "MIGRATION"));
-        return inventoryIncrementalJobManager.listDataConsistencyCheckAlgorithms().stream().map(
+        return DataConsistencyCheckAlgorithmInfoRegistry.getAllAlgorithmInfos().stream().map(
                 each -> new LocalDataQueryResultRow(each.getType(), each.getTypeAliases(),
                         each.getSupportedDatabaseTypes().stream().map(DatabaseType::getType).collect(Collectors.joining(",")), each.getDescription()))
                 .collect(Collectors.toList());