code: /**
   * Copyright (c) 2010 Yahoo! Inc., 2016 YCSB contributors. All rights reserved.
   *
   * 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. See accompanying
   * LICENSE file.
   */
  package com.yahoo.ycsb.db;
  
  /**
   * The statement type for the prepared statements.
   */
  public class StatementType {
  
    enum Type {
      INSERT(1), DELETE(2), READ(3), UPDATE(4), SCAN(5);
  
      private final int internalType;
  
      private Type(int type) {
        internalType = type;
      }
  
      int getHashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + internalType;
        return result;
      }
    }
  
    private Type type;
    private int shardIndex;
    private int numFields;
    private String tableName;
    private String fieldString;
  
    public StatementType(Type type, String tableName, int numFields, String fieldString, int shardIndex) {
      this.type = type;
      this.tableName = tableName;
      this.numFields = numFields;
      this.fieldString = fieldString;
      this.shardIndex = shardIndex;
    }
  
    public String getTableName() {
      return tableName;
    }
  
    public String getFieldString() {
      return fieldString;
    }
  
    public int getNumFields() {
      return numFields;
    }
  
    @Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + numFields + 100 * shardIndex;
      result = prime * result + ((tableName == null) ? 0 : tableName.hashCode());
      result = prime * result + ((type == null) ? 0 : type.getHashCode());
      return result;
    }
  
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj == null) {
        return false;
      }
      if (getClass() != obj.getClass()) {
        return false;
      }
      StatementType other = (StatementType) obj;
      if (numFields != other.numFields) {
        return false;
      }
      if (shardIndex != other.shardIndex) {
        return false;
      }
      if (tableName == null) {
        if (other.tableName != null) {
          return false;
        }
      } else if (!tableName.equals(other.tableName)) {
        return false;
      }
      if (type != other.type) {
        return false;
      }
      if (!fieldString.equals(other.fieldString)) {
        return false;
      }
      return true;
    }
  }
  