HiveNotReadableException.java

/*
 * 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 com.facebook.presto.hive;

import com.facebook.presto.spi.PrestoException;
import com.facebook.presto.spi.SchemaTableName;

import java.util.Optional;

import static com.facebook.presto.hive.HiveErrorCode.HIVE_PARTITION_NOT_READABLE;
import static com.facebook.presto.hive.HiveErrorCode.HIVE_TABLE_READ_ONLY;
import static java.lang.String.format;
import static java.util.Objects.requireNonNull;

public class HiveNotReadableException
        extends PrestoException
{
    private final SchemaTableName tableName;
    private final Optional<String> partition;

    public HiveNotReadableException(SchemaTableName tableName, Optional<String> partition, String message)
    {
        super(partition.isPresent() ? HIVE_PARTITION_NOT_READABLE : HIVE_TABLE_READ_ONLY, composeMessage(tableName, partition, message));
        this.tableName = requireNonNull(tableName, "tableName is null");
        this.partition = requireNonNull(partition, "partition is null");
    }

    private static String composeMessage(SchemaTableName tableName, Optional<String> partition, String message)
    {
        return partition.isPresent()
                ? format("Table '%s' partition '%s' is not readable: %s", tableName, partition.get(), message)
                : format("Table '%s' is not readable: %s", tableName, message);
    }

    public SchemaTableName getTableName()
    {
        return tableName;
    }

    public Optional<String> getPartition()
    {
        return partition;
    }
}