CreateConstant.java

/*
 * Copyright 2014-2015 the original author or authors
 *
 * 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.wplatform.ddal.command.ddl;

import com.wplatform.ddal.command.CommandInterface;
import com.wplatform.ddal.command.expression.Expression;
import com.wplatform.ddal.dbobject.schema.Schema;
import com.wplatform.ddal.engine.Session;
import com.wplatform.ddal.message.DbException;

/**
 * This class represents the statement
 * CREATE CONSTANT
 */
public class CreateConstant extends SchemaCommand {

    private String constantName;
    private Expression expression;
    private boolean ifNotExists;

    public CreateConstant(Session session, Schema schema) {
        super(session, schema);
    }

    public void setIfNotExists(boolean ifNotExists) {
        this.ifNotExists = ifNotExists;
    }

    @Override
    public int update() {
        throw DbException.getUnsupportedException("TODO");
    }

    public void setConstantName(String constantName) {
        this.constantName = constantName;
    }

    public void setExpression(Expression expr) {
        this.expression = expr;
    }

    @Override
    public int getType() {
        return CommandInterface.CREATE_CONSTANT;
    }

    public String getConstantName() {
        return constantName;
    }

    public Expression getExpression() {
        return expression;
    }

    public boolean isIfNotExists() {
        return ifNotExists;
    }
    
    

}