content: /*
   * 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.oracle.ast.clause;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.dialect.oracle.ast.OracleSQLObjectImpl;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public class CycleClause extends OracleSQLObjectImpl {
      private final List<SQLExpr> aliases = new ArrayList<SQLExpr>();
      private SQLExpr mark;
      private SQLExpr value;
      private SQLExpr defaultValue;
  
      public SQLExpr getMark() {
          return mark;
      }
  
      public void setMark(SQLExpr mark) {
          if (mark != null) {
              mark.setParent(this);
          }
          this.mark = mark;
      }
  
      public SQLExpr getValue() {
          return value;
      }
  
      public void setValue(SQLExpr value) {
          if (value != null) {
              value.setParent(this);
          }
          this.value = value;
      }
  
      public SQLExpr getDefaultValue() {
          return defaultValue;
      }
  
      public void setDefaultValue(SQLExpr defaultValue) {
          if (defaultValue != null) {
              defaultValue.setParent(this);
          }
          this.defaultValue = defaultValue;
      }
  
      public List<SQLExpr> getAliases() {
          return aliases;
      }
  
      @Override
      public void accept0(OracleASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, aliases);
              acceptChild(visitor, mark);
              acceptChild(visitor, value);
              acceptChild(visitor, defaultValue);
          }
          visitor.endVisit(this);
      }
  
      public CycleClause clone() {
          CycleClause x = new CycleClause();
  
          for (SQLExpr alias : aliases) {
              SQLExpr alias2 = alias.clone();
              alias2.setParent(x);
              x.aliases.add(alias2);
          }
  
          if (mark != null) {
              setMark(mark.clone());
          }
  
          if (value != null) {
              setValue(value.clone());
          }
  
          if (defaultValue != null) {
              setDefaultValue(defaultValue.clone());
          }
  
          return x;
      }
  }
  