TriggerBody.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    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.
//

using System;
using System.Collections.Generic;

using Deveel.Data.Sql.Statements;

namespace Deveel.Data.Sql.Triggers {
    public sealed class TriggerBody {
        private readonly List<SqlStatement> statements;

        internal TriggerBody(TriggerInfo triggerInfo) {
            if (triggerInfo == null)
                throw new ArgumentNullException("triggerInfo");

            TriggerInfo = triggerInfo;

            statements = new List<SqlStatement>();
        }

        public TriggerInfo TriggerInfo { get; private set; }

        private void AssertStatementIsAllowed(SqlStatement statement) {
            // TODO: validate this statement
        }


        public void AddStatement(SqlStatement statement) {
            if (statement == null)
                throw new ArgumentNullException("statement");

            if (TriggerInfo.TriggerType != TriggerType.Procedure)
                throw new ArgumentException(String.Format("The trigger '{0}' is not a PROCEDURE TRIGGER and cannot have any body.",
                    TriggerInfo.TriggerName));

            AssertStatementIsAllowed(statement);

            statements.Add(statement);
        }
    }
}