/*
* 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.dialect.oracle.ast.expr;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLExprImpl;
import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class OracleDbLinkExpr extends SQLExprImpl implements SQLName, OracleExpr {
private SQLExpr expr;
private String dbLink;
public OracleDbLinkExpr(){
}
public String getSimpleName() {
return dbLink;
}
public SQLExpr getExpr() {
return this.expr;
}
public void setExpr(SQLExpr expr) {
this.expr = expr;
}
public String getDbLink() {
return this.dbLink;
}
public void setDbLink(String dbLink) {
this.dbLink = dbLink;
}
public void output(StringBuffer buf) {
this.expr.output(buf);
buf.append("@");
buf.append(this.dbLink);
}
@Override
protected void accept0(SQLASTVisitor visitor) {
this.accept0((OracleASTVisitor) visitor);
}
public void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, this.expr);
}
visitor.endVisit(this);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((dbLink == null) ? 0 : dbLink.hashCode());
result = prime * result + ((expr == null) ? 0 : expr.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
OracleDbLinkExpr other = (OracleDbLinkExpr) obj;
if (dbLink == null) {
if (other.dbLink != null) {
return false;
}
} else if (!dbLink.equals(other.dbLink)) {
return false;
}
if (expr == null) {
if (other.expr != null) {
return false;
}
} else if (!expr.equals(other.expr)) {
return false;
}
return true;
}
}