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.common.statement;
  
  import java.util.List;
  
  import org.apache.asterix.common.exceptions.CompilationException;
  import org.apache.asterix.common.functions.FunctionSignature;
  import org.apache.asterix.lang.common.base.AbstractStatement;
  import org.apache.asterix.lang.common.base.Expression;
  import org.apache.asterix.lang.common.base.Statement;
  import org.apache.asterix.lang.common.struct.VarIdentifier;
  import org.apache.asterix.lang.common.visitor.base.ILangVisitor;
  
  public class FunctionDecl extends AbstractStatement {
      private final FunctionSignature signature;
      private final List<VarIdentifier> paramList;
      private Expression funcBody;
      private Expression funcBodyNormalized;
      private final boolean isStored;
      private final boolean transform;
  
      public FunctionDecl(FunctionSignature signature, List<VarIdentifier> paramList, Expression funcBody,
              boolean isStored, boolean transform) {
          this.signature = signature;
          this.paramList = paramList;
          this.funcBody = funcBody;
          this.isStored = isStored;
          this.transform = transform;
      }
  
      public FunctionDecl(FunctionSignature signature, List<VarIdentifier> paramList, Expression funcBody,
              boolean isStored) {
          this(signature, paramList, funcBody, isStored, false);
      }
  
      public FunctionSignature getSignature() {
          return signature;
      }
  
      public List<VarIdentifier> getParamList() {
          return paramList;
      }
  
      public Expression getFuncBody() {
          return funcBody;
      }
  
      public void setFuncBody(Expression funcBody) {
          this.funcBody = funcBody;
          this.funcBodyNormalized = null;
      }
  
      public Expression getNormalizedFuncBody() {
          return funcBodyNormalized;
      }
  
      public void setNormalizedFuncBody(Expression funcBody) {
          this.funcBodyNormalized = funcBody;
      }
  
      public boolean isStored() {
          return isStored;
      }
  
      public boolean isTransform() {
          return transform;
      }
  
      @Override
      public int hashCode() {
          return signature.hashCode();
      }
  
      @Override
      public boolean equals(Object o) {
          return (o instanceof FunctionDecl && ((FunctionDecl) o).getSignature().equals(signature));
      }
  
      @Override
      public Kind getKind() {
          return Statement.Kind.FUNCTION_DECL;
      }
  
      @Override
      public <R, T> R accept(ILangVisitor<R, T> visitor, T arg) throws CompilationException {
          return visitor.visit(this, arg);
      }
  
      @Override
      public byte getCategory() {
          return Category.QUERY;
      }
  }
  