com.shulie.druid.sql.dialect.oracle.ast.OracleSQLObjectImpl Maven / Gradle / Ivy
/*
* 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.shulie.druid.sql.dialect.oracle.ast;
import com.shulie.druid.sql.SQLUtils;
import com.shulie.druid.sql.ast.SQLDataType;
import com.shulie.druid.sql.ast.SQLObjectImpl;
import com.shulie.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
import com.shulie.druid.sql.visitor.SQLASTOutputVisitor;
import com.shulie.druid.sql.visitor.SQLASTVisitor;
public abstract class OracleSQLObjectImpl extends SQLObjectImpl implements OracleSQLObject {
public OracleSQLObjectImpl(){
}
@Override
protected void accept0(SQLASTVisitor v) {
if (v instanceof OracleASTVisitor) {
this.accept0((OracleASTVisitor) v);
return;
}
if (v instanceof SQLASTOutputVisitor) {
((SQLASTOutputVisitor) v).print(this.toString());
}
}
public abstract void accept0(OracleASTVisitor visitor);
public OracleSQLObject clone() {
throw new UnsupportedOperationException(this.getClass().getName());
}
public SQLDataType computeDataType() {
return null;
}
public String toString() {
return SQLUtils.toOracleString(this);
}
}