content: /*
   * Copyright 2021-2022 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.aliyun.fastmodel.core.semantic.table;
  
  import java.util.List;
  import java.util.Set;
  import java.util.stream.Collectors;
  
  import com.aliyun.fastmodel.core.exception.SemanticException;
  import com.aliyun.fastmodel.core.semantic.SemanticCheck;
  import com.aliyun.fastmodel.core.semantic.SemanticErrorCode;
  import com.aliyun.fastmodel.core.tree.expr.Identifier;
  import com.aliyun.fastmodel.core.tree.statement.table.constraint.DimConstraint;
  
  /**
   * Desc:
   *
   * @author panguanjing
   * @date 2020/10/15
   */
  public class DimConstraintSemanticCheck implements SemanticCheck<DimConstraint> {
  
      private final Set<String> columns;
  
      public DimConstraintSemanticCheck(Set<String> columns) {
          this.columns = columns;
      }
  
      @Override
      public void check(DimConstraint dimConstraintStatement) throws SemanticException {
          if (dimConstraintStatement.getColNames() == null) {
              //如果为空，那么就做校验了
              return;
          }
          List<String> colNames = dimConstraintStatement.getColNames().stream()
              .map(Identifier::getValue).collect(Collectors.toList());
          if (!isEmpty(colNames)) {
              List<String> notContains = notContains(columns, colNames);
              if (!isEmpty(notContains)) {
                  throw new SemanticException(SemanticErrorCode.TABLE_CONSTRAINT_COL_MUST_EXIST,
                      "Table constraint haven't contains columnName:" + notContains);
              }
              List<String> referenceColNames =
                  dimConstraintStatement.getReferenceColNames().stream().map(Identifier::getValue).collect(
                      Collectors.toList());
              if (isEmpty(referenceColNames)) {
                  throw new SemanticException(
                      SemanticErrorCode.TABLE_CONSTRAINT_REF_SIZE_MUST_EQUAL,
                      "Table constraint dim reference column size not equal, expect:" + colNames.size()
                          + ", but:0");
              }
              if (colNames.size() != referenceColNames.size()) {
                  throw new SemanticException(
                      SemanticErrorCode.TABLE_CONSTRAINT_REF_SIZE_MUST_EQUAL,
                      "Table constraint dim reference column size not equal, expect:" + colNames.size() + ", but:"
                          + referenceColNames.size());
              }
          }
      }
  }
  