SQLDataTypeImpl.java

/*
 * 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.ast;

import com.alibaba.druid.sql.visitor.SQLASTVisitor;

import java.util.ArrayList;
import java.util.List;

public class SQLDataTypeImpl extends SQLObjectImpl implements SQLDataType {

    protected String              name;
    protected final List<SQLExpr> arguments = new ArrayList<SQLExpr>();

    public SQLDataTypeImpl(){

    }

    public SQLDataTypeImpl(String name){

        this.name = name;
    }

    @Override
    protected void accept0(SQLASTVisitor visitor) {
        if (visitor.visit(this)) {
            acceptChild(visitor, this.arguments);
        }

        visitor.endVisit(this);
    }

    public String getName() {
        return this.name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public List<SQLExpr> getArguments() {
        return this.arguments;
    }
    
    public void addArgument(SQLExpr argument) {
        if (argument != null) {
            argument.setParent(this);
        }
        this.arguments.add(argument);
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + arguments.hashCode();
        result = prime * result + ((name == null) ? 0 : name.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;
        SQLDataTypeImpl other = (SQLDataTypeImpl) obj;
        if (!arguments.equals(other.arguments)) return false;
        if (name == null) {
            if (other.name != null) return false;
        } else if (!name.equals(other.name)) return false;
        return true;
    }

}