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/*
 * 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 studio.raptor.sqlparser.ast.statement;

import java.util.ArrayList;
import java.util.List;
import studio.raptor.sqlparser.ast.SQLName;
import studio.raptor.sqlparser.ast.SQLStatementImpl;
import studio.raptor.sqlparser.visitor.SQLASTVisitor;

public class SQLDropTableStatement extends SQLStatementImpl implements SQLDDLStatement {

  protected List tableSources = new ArrayList();
  protected boolean cascade = false;
  protected boolean restrict = false;
  protected boolean ifExists = false;
  private boolean purge;
  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 addPartition(SQLExprTableSource tableSource) {
    if (tableSource != null) {
      tableSource.setParent(this);
    }
    this.tableSources.add(tableSource);
  }

  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;
  }

}