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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.shardingsphere.infra.algorithm.core.config;
19  
20  import com.google.common.base.Preconditions;
21  import com.google.common.base.Strings;
22  import lombok.EqualsAndHashCode;
23  import lombok.Getter;
24  
25  import java.util.Properties;
26  
27  /**
28   * Algorithm configuration.
29   */
30  @Getter
31  @EqualsAndHashCode
32  public final class AlgorithmConfiguration {
33      
34      private final String type;
35      
36      private final Properties props;
37      
38      public AlgorithmConfiguration(final String type, final Properties props) {
39          Preconditions.checkArgument(!Strings.isNullOrEmpty(type), "Type is required.");
40          this.type = type;
41          this.props = null == props ? new Properties() : props;
42      }
43  }