/*
 * 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.cassandra.exceptions;

import org.apache.cassandra.cql3.ColumnIdentifier;
import org.apache.cassandra.cql3.Relation;

/**
 * Exception thrown when an entity is not recognized within a relation.
 */
public final class UnrecognizedEntityException extends InvalidRequestException
{
    /**
     * The unrecognized entity.
     */
    public final ColumnIdentifier entity;

    /**
     * The entity relation.
     */
    public final Relation relation;

    /**
     * Creates a new <code>UnrecognizedEntityException</code>.
     * @param entity the unrecognized entity
     * @param relation the entity relation
     */
    public UnrecognizedEntityException(ColumnIdentifier entity, Relation relation)
    {
        super(String.format("Undefined name %s in where clause ('%s')", entity, relation));
        this.entity = entity;
        this.relation = relation;
    }
}