/
SQLMethodInvokeExpr.java
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/
SQLMethodInvokeExpr.java
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/*
* Copyright 1999-2101 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.dialect.oracle.visitor.OracleASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;
public class SQLMethodInvokeExpr extends SQLExprImpl implements Serializable {
private static final long serialVersionUID = 1L;
private String methodName;
private SQLExpr owner;
private final List<SQLExpr> parameters = new ArrayList<SQLExpr>();
private SQLExpr from;
public SQLMethodInvokeExpr(){
}
public SQLMethodInvokeExpr(String methodName){
this.methodName = methodName;
}
public SQLMethodInvokeExpr(String methodName, SQLExpr owner){
this.methodName = methodName;
setOwner(owner);
}
public String getMethodName() {
return this.methodName;
}
public void setMethodName(String methodName) {
this.methodName = methodName;
}
public SQLExpr getOwner() {
return this.owner;
}
public void setOwner(SQLExpr owner) {
if (owner != null) {
owner.setParent(this);
}
this.owner = owner;
}
public SQLExpr getFrom() {
return from;
}
public void setFrom(SQLExpr from) {
this.from = from;
}
public List<SQLExpr> getParameters() {
return this.parameters;
}
public void addParameter(SQLExpr param) {
if (param != null) {
param.setParent(this);
}
this.parameters.add(param);
}
public void output(StringBuffer buf) {
if (this.owner != null) {
this.owner.output(buf);
buf.append(".");
}
buf.append(this.methodName);
buf.append("(");
for (int i = 0, size = this.parameters.size(); i < size; ++i) {
if (i != 0) {
buf.append(", ");
}
this.parameters.get(i).output(buf);
}
buf.append(")");
}
@Override
protected void accept0(SQLASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, this.owner);
acceptChild(visitor, this.parameters);
}
visitor.endVisit(this);
}
protected void accept0(OracleASTVisitor visitor) {
if (visitor.visit(this)) {
acceptChild(visitor, this.owner);
acceptChild(visitor, this.parameters);
}
visitor.endVisit(this);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
SQLMethodInvokeExpr that = (SQLMethodInvokeExpr) o;
if (methodName != null ? !methodName.equals(that.methodName) : that.methodName != null) return false;
if (owner != null ? !owner.equals(that.owner) : that.owner != null) return false;
if (parameters != null ? !parameters.equals(that.parameters) : that.parameters != null) return false;
return from != null ? from.equals(that.from) : that.from == null;
}
@Override
public int hashCode() {
int result = methodName != null ? methodName.hashCode() : 0;
result = 31 * result + (owner != null ? owner.hashCode() : 0);
result = 31 * result + (parameters != null ? parameters.hashCode() : 0);
result = 31 * result + (from != null ? from.hashCode() : 0);
return result;
}
}