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.expr;
  
  import com.alibaba.druid.sql.ast.SQLExpr;
  import com.alibaba.druid.sql.ast.SQLExprImpl;
  import com.alibaba.druid.sql.ast.SQLObject;
  import com.alibaba.druid.sql.ast.SQLReplaceable;
  import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
  import com.alibaba.druid.sql.ast.expr.SQLLiteralExpr;
  import com.alibaba.druid.sql.dialect.oracle.visitor.OracleASTVisitor;
  import com.alibaba.druid.sql.visitor.SQLASTVisitor;
  
  import java.util.Collections;
  import java.util.List;
  
  public class OracleIntervalExpr extends SQLExprImpl implements SQLLiteralExpr, OracleExpr, SQLReplaceable {
      private SQLExpr value;
      private OracleIntervalType type;
      private SQLExpr precision;
      private Integer factionalSecondsPrecision;
      private OracleIntervalType toType;
      private SQLExpr toFactionalSecondsPrecision;
  
      public OracleIntervalExpr() {
      }
  
      @Override
      public OracleIntervalExpr clone() {
          OracleIntervalExpr x = new OracleIntervalExpr();
          if (value != null) {
              x.setValue(value.clone());
          }
          x.type = type;
          x.precision = precision;
          x.factionalSecondsPrecision = factionalSecondsPrecision;
          x.toType = toType;
          x.toFactionalSecondsPrecision = toFactionalSecondsPrecision;
          return x;
      }
  
      @Override
      public boolean replace(SQLExpr expr, SQLExpr target) {
          if (this.value == expr) {
              setValue(target);
              return true;
          }
  
          if (this.precision == expr) {
              setPrecision(target);
              return true;
          }
  
          if (this.toFactionalSecondsPrecision == expr) {
              setToFactionalSecondsPrecision(target);
              return true;
          }
  
          return false;
      }
  
      @Override
      public List<SQLObject> getChildren() {
          return Collections.<SQLObject>singletonList(this.value);
      }
  
      public SQLExpr getValue() {
          return this.value;
      }
  
      public void setValue(SQLExpr value) {
          if (value != null) {
              value.setParent(this);
          }
          this.value = value;
      }
  
      public OracleIntervalType getType() {
          return this.type;
      }
  
      public void setType(OracleIntervalType type) {
          this.type = type;
      }
  
      public SQLExpr getPrecision() {
          return this.precision;
      }
  
      public void setPrecision(Integer precision) {
          this.setPrecision(new SQLIntegerExpr(precision));
      }
  
      public void setPrecision(SQLExpr precision) {
          if (precision != null) {
              precision.setParent(this);
          }
          this.precision = precision;
      }
  
      public Integer getFactionalSecondsPrecision() {
          return this.factionalSecondsPrecision;
      }
  
      public void setFactionalSecondsPrecision(Integer factionalSecondsPrecision) {
          this.factionalSecondsPrecision = factionalSecondsPrecision;
      }
  
      public OracleIntervalType getToType() {
          return this.toType;
      }
  
      public void setToType(OracleIntervalType toType) {
          this.toType = toType;
      }
  
      public SQLExpr getToFactionalSecondsPrecision() {
          return this.toFactionalSecondsPrecision;
      }
  
      public void setToFactionalSecondsPrecision(SQLExpr x) {
          if (x != null) {
              x.setParent(this);
          }
          this.toFactionalSecondsPrecision = x;
      }
  
      @Override
      protected void accept0(SQLASTVisitor visitor) {
          this.accept0((OracleASTVisitor) visitor);
      }
  
      @Override
      public void accept0(OracleASTVisitor visitor) {
          if (visitor.visit(this)) {
              this.acceptChild(visitor, value);
              this.acceptChild(visitor, precision);
              this.acceptChild(visitor, toFactionalSecondsPrecision);
          }
          visitor.endVisit(this);
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + ((factionalSecondsPrecision == null) ? 0 : factionalSecondsPrecision.hashCode());
          result = prime * result + ((precision == null) ? 0 : precision.hashCode());
          result = prime * result + ((toFactionalSecondsPrecision == null) ? 0 : toFactionalSecondsPrecision.hashCode());
          result = prime * result + ((toType == null) ? 0 : toType.hashCode());
          result = prime * result + ((type == null) ? 0 : type.hashCode());
          result = prime * result + ((value == null) ? 0 : value.hashCode());
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj) {
              return true;
          }
          if (obj == null) {
              return false;
          }
          if (getClass() != obj.getClass()) {
              return false;
          }
          OracleIntervalExpr other = (OracleIntervalExpr) obj;
          if (factionalSecondsPrecision == null) {
              if (other.factionalSecondsPrecision != null) {
                  return false;
              }
          } else if (!factionalSecondsPrecision.equals(other.factionalSecondsPrecision)) {
              return false;
          }
          if (precision == null) {
              if (other.precision != null) {
                  return false;
              }
          } else if (!precision.equals(other.precision)) {
              return false;
          }
          if (toFactionalSecondsPrecision == null) {
              if (other.toFactionalSecondsPrecision != null) {
                  return false;
              }
          } else if (!toFactionalSecondsPrecision.equals(other.toFactionalSecondsPrecision)) {
              return false;
          }
          if (toType != other.toType) {
              return false;
          }
          if (type != other.type) {
              return false;
          }
          if (value == null) {
              if (other.value != null) {
                  return false;
              }
          } else if (!value.equals(other.value)) {
              return false;
          }
          return true;
      }
  
  }
  