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From tushargosavi <...@git.apache.org>
Subject [GitHub] incubator-apex-malhar pull request: APEXMALHAR-2010 Add Tranform o...
Date Mon, 21 Mar 2016 08:43:41 GMT
Github user tushargosavi commented on a diff in the pull request:

    https://github.com/apache/incubator-apex-malhar/pull/209#discussion_r56792263
  
    --- Diff: library/src/main/java/com/datatorrent/lib/expression/JavaExpressionParser.java
---
    @@ -0,0 +1,179 @@
    +/**
    + * 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 com.datatorrent.lib.expression;
    +
    +import java.lang.reflect.Field;
    +import java.lang.reflect.Method;
    +import java.lang.reflect.Modifier;
    +import java.util.regex.Matcher;
    +import java.util.regex.Pattern;
    +
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import com.datatorrent.lib.util.KeyValPair;
    +
    +/**
    + * Defines how quasi-Java Expression should be parsed.
    + */
    +public class JavaExpressionParser implements Expression.ExpressionParser
    +{
    +  private static final Logger logger = LoggerFactory.getLogger(JavaExpressionParser.class);
    +
    +  private static final String GET = "get";
    +  private static final String IS = "is";
    +
    +  private String variablePlaceholderPattern = "\\{(.*?)\\}";
    +
    +  private String exprObjPlaceholder;
    +  private String codeObjPlaceholder;
    +
    +  public JavaExpressionParser()
    --- End diff --
    
    not needed as there is no other constructor defined in the class


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