content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * <p>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
   *
   * <p>http://www.apache.org/licenses/LICENSE-2.0
   *
   * <p>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.graphscope.groot.schema.ddl;
  
  import com.alibaba.graphscope.groot.common.exception.DdlException;
  import com.alibaba.graphscope.groot.common.schema.wrapper.GraphDef;
  import com.alibaba.graphscope.groot.common.schema.wrapper.PropertyDef;
  import com.google.protobuf.ByteString;
  import com.google.protobuf.InvalidProtocolBufferException;
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  public abstract class AbstractDdlExecutor {
  
      public abstract DdlResult execute(ByteString ddlBlob, GraphDef graphDef, int partitionCount)
              throws InvalidProtocolBufferException;
  
      protected void checkDuplicatedPropertiesExists(List<PropertyDef> propertyDefs) {
          Set<String> propertyNameSet = new HashSet<>();
          for (PropertyDef property : propertyDefs) {
              String propertyName = property.getName();
              if (propertyNameSet.contains(propertyName)) {
                  throw new DdlException(
                          "incoming propertyName [" + propertyName + "] has duplicated");
              }
              propertyNameSet.add(propertyName);
          }
      }
  }
  