/*
* Copyright 1999-2012 Alibaba Group.
*
* 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.
*/
/**
* (created at 2011-1-21)
*/
package com.alibaba.cobar.parser.ast.expression.primary;
import com.alibaba.cobar.parser.ast.fragment.VariableScope;
import com.alibaba.cobar.parser.visitor.SQLASTVisitor;
/**
* @author <a href="mailto:shuo.qius@alibaba-inc.com">QIU Shuo</a>
*/
public class SysVarPrimary extends VariableExpression {
private final VariableScope scope;
/** excluding starting "@@", '`' might be included */
private final String varText;
private final String varTextUp;
public SysVarPrimary(VariableScope scope, String varText, String varTextUp) {
this.scope = scope;
this.varText = varText;
this.varTextUp = varTextUp;
}
/**
* @return never null
*/
public VariableScope getScope() {
return scope;
}
public String getVarTextUp() {
return varTextUp;
}
public String getVarText() {
return varText;
}
@Override
public void accept(SQLASTVisitor visitor) {
visitor.visit(this);
}
}