content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.asterix.lang.sqlpp.rewrites;
  
  import org.apache.asterix.common.exceptions.CompilationException;
  import org.apache.asterix.lang.common.base.IStatementRewriter;
  import org.apache.asterix.lang.common.base.Statement;
  import org.apache.asterix.lang.sqlpp.rewrites.visitor.SqlppCopyToRewriteVisitor;
  import org.apache.asterix.lang.sqlpp.visitor.SqlppDeleteRewriteVisitor;
  import org.apache.asterix.lang.sqlpp.visitor.SqlppSynonymRewriteVisitor;
  import org.apache.asterix.metadata.declared.MetadataProvider;
  
  class SqlppStatementRewriter implements IStatementRewriter {
  
      @Override
      public boolean isRewritable(Statement.Kind kind) {
          switch (kind) {
              case LOAD:
              case INSERT:
              case UPSERT:
              case DELETE:
              case COPY_TO:
              case TRUNCATE:
                  return true;
              default:
                  return false;
          }
      }
  
      @Override
      public void rewrite(Statement stmt, MetadataProvider metadataProvider) throws CompilationException {
          if (stmt != null) {
              stmt.accept(SqlppSynonymRewriteVisitor.INSTANCE, metadataProvider);
              stmt.accept(SqlppDeleteRewriteVisitor.INSTANCE, metadataProvider);
              stmt.accept(SqlppCopyToRewriteVisitor.INSTANCE, metadataProvider);
          }
      }
  }
  