| /* |
| * 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.tinkerpop.gremlin.python.jsr223; |
| |
| import org.apache.commons.configuration.ConfigurationConverter; |
| import org.apache.tinkerpop.gremlin.process.traversal.strategy.TraversalStrategyProxy; |
| import org.apache.tinkerpop.gremlin.util.function.Lambda; |
| |
| /** |
| * @deprecated As of release 3.3.10, not replaced - see TINKERPOP-2317 |
| * |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| */ |
| @Deprecated |
| public final class JythonTranslator extends PythonTranslator { |
| |
| private JythonTranslator(final String traversalSource, final boolean importStatics) { |
| super(traversalSource, importStatics); |
| } |
| |
| public static JythonTranslator of(final String traversalSource) { |
| return new JythonTranslator(traversalSource, false); |
| } |
| |
| @Override |
| public String getTargetLanguage() { |
| return "gremlin-jython"; |
| } |
| |
| @Override |
| protected String convertLambdaToString(final Lambda lambda) { |
| String lambdaString = lambda.getLambdaScript().trim(); |
| lambdaString = lambdaString.startsWith("lambda") ? |
| lambdaString : |
| "lambda " + lambdaString; |
| if (0 == lambda.getLambdaArguments()) |
| return "JythonZeroArgLambda(" + lambdaString + ")"; |
| else if (1 == lambda.getLambdaArguments()) |
| return "JythonOneArgLambda(" + lambdaString + ")"; |
| else if (2 == lambda.getLambdaArguments()) |
| return "JythonTwoArgLambda(" + lambdaString + ")"; |
| else |
| return "JythonUnknownArgLambda(" + lambdaString + ")"; |
| } |
| |
| @Override |
| protected String resolveSymbol(final String methodName) { |
| // since this is Jython we should expect the Gremlin to conform to the java classes to which the engine is |
| // bound - therefore, unlike the python engine which converts java names to python friendly ones, this |
| // jython one can just pass them through. |
| return methodName; |
| } |
| |
| @Override |
| protected String resolveTraversalStrategyProxy(final TraversalStrategyProxy proxy) { |
| // since this is jython we don't need a traversal proxy here - we need the actual JVM version of the strategy |
| // since this script will be executed in Jython. |
| if (proxy.getConfiguration().isEmpty()) |
| return proxy.getStrategyClass().getCanonicalName() + ".instance()"; |
| else |
| return proxy.getStrategyClass().getCanonicalName() + ".create(org.apache.commons.configuration.MapConfiguration(" + convertToString(ConfigurationConverter.getMap(proxy.getConfiguration())) + "))"; |
| } |
| } |