com.alibaba.druid.sql.ast.expr.SQLCharExpr Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of druid Show documentation
Show all versions of druid Show documentation
A JDBC datasource implementation.
The newest version!
/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* 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.alibaba.druid.sql.ast.expr;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLDataType;
import com.alibaba.druid.sql.ast.SQLObject;
import com.alibaba.druid.sql.ast.statement.SQLCharacterDataType;
import com.alibaba.druid.sql.visitor.SQLASTOutputVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
import java.util.Collections;
import java.util.List;
public class SQLCharExpr extends SQLTextLiteralExpr implements SQLValuableExpr, Comparable {
public static final SQLDataType DATA_TYPE = new SQLCharacterDataType("char");
public SQLCharExpr() {
}
public SQLCharExpr(String text) {
this.text = text;
}
public SQLCharExpr(String text, SQLObject parent) {
this.text = text;
this.parent = parent;
}
public void output(StringBuilder buf) {
this.accept(new SQLASTOutputVisitor(buf));
}
protected void accept0(SQLASTVisitor visitor) {
visitor.visit(this);
visitor.endVisit(this);
}
@Override
public Object getValue() {
return this.text;
}
public String toString() {
return SQLUtils.toSQLString(this);
}
public SQLCharExpr clone() {
return new SQLCharExpr(this.text);
}
public SQLDataType computeDataType() {
return DATA_TYPE;
}
public List getChildren() {
return Collections.emptyList();
}
@Override
public int compareTo(SQLCharExpr o) {
return this.text.compareTo(o.text);
}
}