/**
* Alipay.com Inc.
* Copyright (c) 2004-2012 All Rights Reserved.
*/
package com.alipay.zdal.parser.sql.ast.expr;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import com.alipay.zdal.parser.sql.ast.SQLExpr;
import com.alipay.zdal.parser.sql.ast.SQLExprImpl;
import com.alipay.zdal.parser.sql.visitor.SQLASTVisitor;
/**
*
* @author xiaoqing.zhouxq
* @version $Id: SQLInListExpr.java, v 0.1 2012-11-17 ����3:17:35 xiaoqing.zhouxq Exp $
*/
public class SQLInListExpr extends SQLExprImpl implements Serializable {
private static final long serialVersionUID = 1L;
private boolean not = false;
private SQLExpr expr;
private List<SQLExpr> targetList = new ArrayList<SQLExpr>();
public SQLInListExpr() {
}
public SQLInListExpr(SQLExpr expr) {
this.expr = expr;
}
public SQLInListExpr(SQLExpr expr, boolean not) {
this.expr = expr;
this.not = not;
}
public boolean isNot() {
return this.not;
}
public void setNot(boolean not) {
this.not = not;
}
public SQLExpr getExpr() {
return this.expr;
}
public void setExpr(SQLExpr expr) {
this.expr = expr;
}
public List<SQLExpr> getTargetList() {
return this.targetList;
}
public void setTargetList(List<SQLExpr> targetList) {
this.targetList = targetList;
}
public void output(StringBuffer buf) {
this.expr.output(buf);
if (this.not)
buf.append(" NOT IN ");
else {
buf.append(" IN ");
}
buf.append("(");
int i = 0;
for (int size = this.targetList.size(); i < size; ++i) {
if (i != 0) {
buf.append(", ");
}
((SQLExpr) this.targetList.get(i)).output(buf);
}
buf.append(")");
}
protected void accept0(SQLASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, this.expr);
acceptChild(visitor, this.targetList);
}
visitor.endVisit(this);
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((expr == null) ? 0 : expr.hashCode());
result = prime * result + (not ? 1231 : 1237);
result = prime * result + ((targetList == null) ? 0 : targetList.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;
}
SQLInListExpr other = (SQLInListExpr) obj;
if (expr == null) {
if (other.expr != null) {
return false;
}
} else if (!expr.equals(other.expr)) {
return false;
}
if (not != other.not) {
return false;
}
if (targetList == null) {
if (other.targetList != null) {
return false;
}
} else if (!targetList.equals(other.targetList)) {
return false;
}
return true;
}
}