org.apache.flink.table.client.config.entries.TableConfigEntry 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.flink.table.client.config.entries;

import org.apache.flink.table.client.config.ConfigUtil;
import org.apache.flink.table.descriptors.DescriptorProperties;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.HashMap;
import java.util.Map;

/**
 * Describe for TableConfig.
 */
public class TableConfigEntry extends ConfigEntry {

	private static final Logger LOG = LoggerFactory.getLogger(TableConfigEntry.class);

	public static final String TABLECONFIG_ENTRY = "tableconfig";

	public static final TableConfigEntry DEFAULT_INSTANCE =
		new TableConfigEntry(new DescriptorProperties(true));

	private TableConfigEntry(DescriptorProperties properties) {
		super(properties);
	}

	@Override
	protected void validate(DescriptorProperties properties) {
		// TODO: validate TableConfig properties
	}

	public Map asTopLevelMap() {
		return properties.asPrefixedMap(TABLECONFIG_ENTRY + '.');
	}

	public static TableConfigEntry create(Map config) {
		return new TableConfigEntry(ConfigUtil.normalizeYaml(config));
	}

	public static TableConfigEntry merge(TableConfigEntry tableConfig1, TableConfigEntry tableConfig2) {
		final Map mergedProperties = new HashMap<>(tableConfig1.properties.asMap());
		mergedProperties.putAll(tableConfig2.asMap());

		final DescriptorProperties properties = new DescriptorProperties(true);
		properties.putProperties(mergedProperties);

		return new TableConfigEntry(properties);
	}

	public static TableConfigEntry enrich(TableConfigEntry tableConfig, Map prefixedProperties) {
		final Map richedProperties = new HashMap<>(tableConfig.properties.asMap());

		prefixedProperties.forEach((k, v) -> {
			final String normalizedKey = k.toLowerCase();
			if (k.startsWith(TABLECONFIG_ENTRY + '.')) {
				richedProperties.put(normalizedKey.substring(TABLECONFIG_ENTRY.length() + 1), v);
			}
		});

		final DescriptorProperties properties = new DescriptorProperties(true);
		properties.putProperties(richedProperties);

		return new TableConfigEntry(properties);
	}
}