| /* |
| * 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.tajo.function; |
| |
| import com.google.common.base.Objects; |
| import com.google.gson.annotations.Expose; |
| import org.apache.tajo.catalog.proto.CatalogProtos.UDFtype; |
| import org.apache.tajo.catalog.proto.CatalogProtos.UDFinvocationDescProto; |
| import org.apache.tajo.common.ProtoObject; |
| import org.apache.tajo.util.TUtil; |
| |
| /** |
| * <code>UDFInvocationDesc</code> describes a function name |
| * and a file path to the script where the function is defined. |
| */ |
| public class UDFInvocationDesc implements ProtoObject<UDFinvocationDescProto>, Cloneable { |
| @Expose private UDFtype type; |
| @Expose private boolean isScalarFunction; // true if udf, false if udaf |
| @Expose private String funcOrClassName; // function name if python udf, class name if python udaf or others |
| @Expose private String filePath; // file path to the python module, or jar path to hive udf |
| |
| public UDFInvocationDesc(UDFtype type, String funcOrClassName, boolean isScalarFunction) { |
| this(type, funcOrClassName, null, isScalarFunction); |
| } |
| |
| /** |
| * Constructor of {@link UDFInvocationDesc}. |
| * |
| * @param funcOrClassName if udf, function name. else, class name. |
| * @param filePath path to script file |
| * @param isScalarFunction |
| */ |
| public UDFInvocationDesc(UDFtype type, String funcOrClassName, String filePath, boolean isScalarFunction) { |
| this.type = type; |
| this.funcOrClassName = funcOrClassName; |
| this.filePath = filePath; |
| this.isScalarFunction = isScalarFunction; |
| } |
| |
| public void setFilePath(String filePath) { |
| this.filePath = filePath; |
| } |
| |
| public UDFInvocationDesc(UDFinvocationDescProto proto) { |
| this(proto.getType(), proto.getFuncName(), proto.getFilePath(), proto.getIsScalarFunction()); |
| } |
| |
| public UDFtype getType() { |
| return type; |
| } |
| |
| public String getName() { |
| return funcOrClassName; |
| } |
| |
| public String getPath() { |
| return filePath; |
| } |
| |
| public boolean isScalarFunction() { |
| return this.isScalarFunction; |
| } |
| |
| @Override |
| public UDFinvocationDescProto getProto() { |
| UDFinvocationDescProto.Builder builder = UDFinvocationDescProto.newBuilder(); |
| builder.setType(type).setFuncName(funcOrClassName).setIsScalarFunction(isScalarFunction); |
| if (filePath != null) { |
| builder.setFilePath(filePath); |
| } |
| return builder.build(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o instanceof UDFInvocationDesc) { |
| UDFInvocationDesc other = (UDFInvocationDesc) o; |
| return TUtil.checkEquals(funcOrClassName, other.funcOrClassName) && |
| TUtil.checkEquals(filePath, other.filePath) && isScalarFunction == other.isScalarFunction; |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(funcOrClassName, filePath, isScalarFunction); |
| } |
| |
| @Override |
| public String toString() { |
| return '['+type.toString()+'/'+ (isScalarFunction ? "UDF] " : "UDAF] ") + |
| funcOrClassName + (filePath != null ? (" at " + filePath) : ""); |
| } |
| |
| @Override |
| public Object clone() throws CloneNotSupportedException { |
| UDFInvocationDesc clone = (UDFInvocationDesc) super.clone(); |
| clone.funcOrClassName = funcOrClassName == null ? null : funcOrClassName; |
| clone.filePath = filePath == null ? null : filePath; |
| clone.isScalarFunction = isScalarFunction; |
| return clone; |
| } |
| } |