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An JDBC datasource implementation.
/*
* Copyright 1999-2011 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 java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import com.alibaba.druid.sql.ast.SQLExpr;
import com.alibaba.druid.sql.ast.SQLExprImpl;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class SQLInListExpr extends SQLExprImpl implements Serializable {
private static final long serialVersionUID = 1L;
private boolean not = false;
private SQLExpr expr;
private List targetList = new ArrayList();
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 getTargetList() {
return this.targetList;
}
public void setTargetList(List 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;
}
}