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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.sharksharding.sql.ast.statement;

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

import com.sharksharding.sql.ast.SQLName;
import com.sharksharding.sql.ast.SQLStatementImpl;
import com.sharksharding.sql.visitor.SQLASTVisitor;

public class SQLDropTableStatement extends SQLStatementImpl implements SQLDDLStatement {

    protected List tableSources = new ArrayList();

    private boolean                    purge;

    protected boolean                  cascade      = false;
    protected boolean                  restrict     = false;
    protected boolean                  ifExists     = false;
    private boolean                    temporary    = false;

    public SQLDropTableStatement(){

    }
    
    public SQLDropTableStatement(String dbType){
        super (dbType);
    }

    public SQLDropTableStatement(SQLName name, String dbType){
        this(new SQLExprTableSource(name), dbType);
    }
    
    public SQLDropTableStatement(SQLName name){
        this (name, null);
    }
    
    public SQLDropTableStatement(SQLExprTableSource tableSource){
        this (tableSource, null);
    }

    public SQLDropTableStatement(SQLExprTableSource tableSource, String dbType){
        this (dbType);
        this.tableSources.add(tableSource);
    }

    public List getTableSources() {
        return tableSources;
    }

    public void setTableSources(List tableSources) {
        this.tableSources = tableSources;
    }

    public void setName(SQLName name) {
        this.addTableSource(new SQLExprTableSource(name));
    }

    public void addTableSource(SQLName name) {
        this.addTableSource(new SQLExprTableSource(name));
    }

    public void addTableSource(SQLExprTableSource tableSource) {
        tableSources.add(tableSource);
    }

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

    public boolean isPurge() {
        return purge;
    }

    public void setPurge(boolean purge) {
        this.purge = purge;
    }

    public boolean isIfExists() {
        return ifExists;
    }

    public void setIfExists(boolean ifExists) {
        this.ifExists = ifExists;
    }

    public boolean isCascade() {
        return cascade;
    }

    public void setCascade(boolean cascade) {
        this.cascade = cascade;
    }

    public boolean isRestrict() {
        return restrict;
    }

    public void setRestrict(boolean restrict) {
        this.restrict = restrict;
    }

    public boolean isTemporary() {
        return temporary;
    }

    public void setTemporary(boolean temporary) {
        this.temporary = temporary;
    }

}