org.apache.inlong.sort.filesystem.AbstractFileSystemTable Maven / Gradle / Ivy

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/*
 * 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.inlong.sort.filesystem;

import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.DelegatingConfiguration;
import org.apache.flink.configuration.ReadableConfig;
import org.apache.flink.core.fs.Path;
import org.apache.flink.table.api.TableSchema;
import org.apache.flink.table.catalog.ObjectIdentifier;
import org.apache.flink.table.factories.DynamicTableFactory;
import org.apache.flink.table.types.DataType;
import org.apache.flink.table.utils.TableSchemaUtils;

import java.util.List;

import static org.apache.flink.table.filesystem.FileSystemOptions.PARTITION_DEFAULT_NAME;
import static org.apache.flink.table.filesystem.FileSystemOptions.PATH;

/** Abstract File system table for providing some common methods. */
abstract class AbstractFileSystemTable {

    final DynamicTableFactory.Context context;
    final ObjectIdentifier tableIdentifier;
    final Configuration tableOptions;
    final TableSchema schema;
    final List partitionKeys;
    final Path path;
    final String defaultPartName;

    AbstractFileSystemTable(DynamicTableFactory.Context context) {
        this.context = context;
        this.tableIdentifier = context.getObjectIdentifier();
        this.tableOptions = new Configuration();
        context.getCatalogTable().getOptions().forEach(tableOptions::setString);
        this.schema = TableSchemaUtils.getPhysicalSchema(context.getCatalogTable().getSchema());
        this.partitionKeys = context.getCatalogTable().getPartitionKeys();
        this.path = new Path(tableOptions.get(PATH));
        this.defaultPartName = tableOptions.get(PARTITION_DEFAULT_NAME);
    }

    ReadableConfig formatOptions(String identifier) {
        return new DelegatingConfiguration(tableOptions, identifier + ".");
    }

    DataType getFormatDataType() {
        TableSchema.Builder builder = TableSchema.builder();
        schema.getTableColumns()
                .forEach(
                        column -> {
                            if (!partitionKeys.contains(column.getName())) {
                                builder.add(column);
                            }
                        });
        return builder.build().toRowDataType();
    }
}