MysqlForeignKey.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.dialect.mysql.ast;

import com.alibaba.druid.sql.ast.SQLName;
import com.alibaba.druid.sql.ast.statement.SQLForeignKeyImpl;
import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlASTVisitor;
import com.alibaba.druid.sql.visitor.SQLASTVisitor;

/**
 * @author kiki
 */
public class MysqlForeignKey extends SQLForeignKeyImpl {

    private SQLName  indexName;

    private boolean  hasConstraint;

    private Match    referenceMatch;

    protected Option onUpdate;
    protected Option onDelete;

    public SQLName getIndexName() {
        return indexName;
    }

    public void setIndexName(SQLName indexName) {
        this.indexName = indexName;
    }

    public boolean isHasConstraint() {
        return hasConstraint;
    }

    public void setHasConstraint(boolean hasConstraint) {
        this.hasConstraint = hasConstraint;
    }

    @Override
    protected void accept0(SQLASTVisitor visitor) {
        if (visitor instanceof MySqlASTVisitor) {
            accept0((MySqlASTVisitor) visitor);
        }
    }

    protected void accept0(MySqlASTVisitor visitor) {
        if (visitor.visit(this)) {
            acceptChild(visitor, this.getName());
            acceptChild(visitor, this.getReferencedTableName());
            acceptChild(visitor, this.getReferencingColumns());
            acceptChild(visitor, this.getReferencedColumns());

            acceptChild(visitor, indexName);
        }
        visitor.endVisit(this);
    }

    public Match getReferenceMatch() {
        return referenceMatch;
    }

    public void setReferenceMatch(Match referenceMatch) {
        this.referenceMatch = referenceMatch;
    }

    public Option getOnUpdate() {
        return onUpdate;
    }

    public void setOnUpdate(Option onUpdate) {
        this.onUpdate = onUpdate;
    }

    public Option getOnDelete() {
        return onDelete;
    }

    public void setOnDelete(Option onDelete) {
        this.onDelete = onDelete;
    }

    public static enum Option {

                               RESTRICT("RESTRICT"), CASCADE("CASCADE"), SET_NULL("SET NULL"), NO_ACTION("NO ACTION");

        public final String name;
        public final String name_lcase;

        Option(String name){
            this.name = name;
            this.name_lcase = name.toLowerCase();
        }

        public String getText() {
            return name;
        }

    }

    public static enum Match {
                              FULL("FULL"), PARTIAL("PARTIAL"), SIMPLE("SIMPLE");

        public final String name;
        public final String name_lcase;

        Match(String name){
            this.name = name;
            this.name_lcase = name.toLowerCase();
        }
    }

    public static enum On {
                           DELETE("DELETE"), //
                           UPDATE("UPDATE");

        public final String name;
        public final String name_lcase;

        On(String name){
            this.name = name;
            this.name_lcase = name.toLowerCase();
        }
    }
}