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.ast;
  
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.ArrayList;
  import java.util.List;
  
  public final class SQLParameter extends SQLObjectImpl implements SQLObjectWithDataType {
      private SQLName name;
      private SQLDataType dataType;
      private SQLExpr defaultValue;
      private ParameterType paramType;
      private boolean noCopy;
      private boolean constant;
      private boolean isNotNull;
      private SQLName cursorName;
      private final List<SQLParameter> cursorParameters = new ArrayList<>();
      private boolean order;
      private boolean map;
      private boolean member;
  
      public SQLParameter() {
      }
  
      public SQLParameter(SQLName name, SQLDataType dataType) {
          this.setName(name);
          this.setDataType(dataType);
      }
  
      public SQLParameter(SQLName name, SQLDataType dataType, SQLExpr defaultValue) {
          this.setName(name);
          this.setDataType(dataType);
          this.setDefaultValue(defaultValue);
      }
  
      public SQLDataType computeDataType() {
          return dataType;
      }
  
      public SQLExpr getDefaultValue() {
          return defaultValue;
      }
  
      public void setDefaultValue(SQLExpr deaultValue) {
          if (deaultValue != null) {
              deaultValue.setParent(this);
          }
          this.defaultValue = deaultValue;
      }
  
      public SQLName getName() {
          return name;
      }
  
      public void setName(SQLName name) {
          if (name != null) {
              name.setParent(this);
          }
          this.name = name;
      }
  
      public SQLDataType getDataType() {
          return dataType;
      }
  
      public void setDataType(SQLDataType dataType) {
          if (dataType != null) {
              dataType.setParent(this);
          }
          this.dataType = dataType;
      }
  
      public ParameterType getParamType() {
          return paramType;
      }
  
      public void setParamType(ParameterType paramType) {
          this.paramType = paramType;
      }
  
      @Override
      public void accept0(SQLASTVisitor visitor) {
          if (visitor.visit(this)) {
              acceptChild(visitor, name);
              acceptChild(visitor, dataType);
              acceptChild(visitor, defaultValue);
          }
          visitor.endVisit(this);
      }
  
      public void setNotNull(boolean isNotNull) {
          this.isNotNull = isNotNull;
      }
  
      public boolean isNotNull() {
          return this.isNotNull;
      }
  
      public static enum ParameterType {
          DEFAULT,
          IN, // in
          OUT, // out
          INOUT// inout
      }
  
      public boolean isNoCopy() {
          return noCopy;
      }
  
      public void setNoCopy(boolean noCopy) {
          this.noCopy = noCopy;
      }
  
      public boolean isConstant() {
          return constant;
      }
  
      public void setConstant(boolean constant) {
          this.constant = constant;
      }
  
      public List<SQLParameter> getCursorParameters() {
          return cursorParameters;
      }
  
      public SQLName getCursorName() {
          return cursorName;
      }
  
      public void setCursorName(SQLName cursorName) {
          if (cursorName != null) {
              cursorName.setParent(this);
          }
          this.cursorName = cursorName;
      }
  
      public SQLParameter clone() {
          SQLParameter x = new SQLParameter();
          if (name != null) {
              x.setName(name.clone());
          }
          if (dataType != null) {
              x.setDataType(dataType.clone());
          }
          if (defaultValue != null) {
              x.setDefaultValue(defaultValue.clone());
          }
          x.paramType = paramType;
          x.noCopy = noCopy;
          x.constant = constant;
          x.order = order;
          x.map = map;
          if (cursorName != null) {
              x.setCursorName(cursorName.clone());
          }
          for (SQLParameter p : cursorParameters) {
              SQLParameter p2 = p.clone();
              p2.setParent(x);
              x.cursorParameters.add(p2);
          }
          return x;
      }
  
      public boolean isOrder() {
          return order;
      }
  
      public void setOrder(boolean order) {
          this.order = order;
      }
  
      public boolean isMap() {
          return map;
      }
  
      public void setMap(boolean map) {
          this.map = map;
      }
  
      public boolean isMember() {
          return member;
      }
  
      public void setMember(boolean member) {
          this.member = member;
      }
  }
  