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.expr;
  
  import com.alibaba.druid.sql.ast.SQLDataType;
  import com.alibaba.druid.sql.ast.SQLDataTypeImpl;
  import com.alibaba.druid.sql.ast.SQLObject;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.Collections;
  import java.util.List;
  
  public class SQLFloatExpr extends SQLNumericLiteralExpr implements SQLValuableExpr, Comparable<SQLFloatExpr> {
      private float value;
  
      public SQLFloatExpr() {
          super(new SQLDataTypeImpl(SQLDataType.Constants.FLOAT));
      }
  
      public SQLFloatExpr(String value) {
          this();
          this.value = Float.parseFloat(value);
      }
  
      public SQLFloatExpr(float value) {
          this();
          this.value = value;
      }
  
      public SQLFloatExpr clone() {
          return new SQLFloatExpr(value);
      }
  
      @Override
      public List<SQLObject> getChildren() {
          return Collections.emptyList();
      }
  
      @Override
      public Float getNumber() {
          return value;
      }
  
      public Float getValue() {
          return value;
      }
  
      public void setValue(float value) {
          this.value = value;
      }
  
      protected void accept0(SQLASTVisitor visitor) {
          visitor.visit(this);
  
          visitor.endVisit(this);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          SQLFloatExpr that = (SQLFloatExpr) o;
  
          return Double.compare(that.value, value) == 0;
      }
  
      @Override
      public int hashCode() {
          long temp = Double.doubleToLongBits(value);
          return (int) (temp ^ (temp >>> 32));
      }
  
      @Override
      public void setNumber(Number number) {
          if (number == null) {
              this.setValue(Float.NaN);
              return;
          }
  
          this.setValue(number.floatValue());
      }
  
      @Override
      public int compareTo(SQLFloatExpr o) {
          return Float.compare(value, o.value);
      }
  }
  