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Trino - Faker connector

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/*
 * Licensed 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 io.trino.plugin.faker;

import io.trino.spi.connector.ColumnMetadata;

import java.util.Optional;

import static java.util.Objects.requireNonNull;

public record ColumnInfo(FakerColumnHandle handle, ColumnMetadata metadata)
{
    public static final String NULL_PROBABILITY_PROPERTY = "null_probability";
    public static final String GENERATOR_PROPERTY = "generator";

    public ColumnInfo
    {
        requireNonNull(handle, "handle is null");
        requireNonNull(metadata, "metadata is null");
    }

    public String name()
    {
        return metadata.getName();
    }

    @Override
    public String toString()
    {
        return metadata.getName() + "::" + metadata.getType();
    }

    public ColumnInfo withComment(Optional comment)
    {
        return new ColumnInfo(handle, ColumnMetadata.builderFrom(metadata)
                .setComment(comment)
                .build());
    }
}