Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.genSubstitutedFile()

Class org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor

Examples of org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.genSubstitutedFile()

org.apache.pig.tools.parameters.ParameterSubstitutionPreprocessor.genSubstitutedFile()
This is the main API that takes script template and produces pig script @param pigInput - input stream that contains pig file @param pigOutput - stream where transformed file is written @param args - command line arguments in the order they appear on the command line; format: key=val @param argFiles - list of configuration files in the order they appear on the command line

        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = {basedir+"/ConfFileWithInvalidLines.txt"};
        try {
            ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);
            fail ("Should have thrown an exception");
        } catch (ParseException e) {
            assertTrue(e.getMessage().startsWith("Encountered \" <IDENTIFIER> \"is \"\" at line 2, column 6."));
        }
    }

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = {basedir+"/ConfFileWithValidLines.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);
    }


     /* Test case 20
     * Use a combination of command line and file parameters.
     */

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFileDuplicates.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputThreeParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputThreeParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'" , "tableName=\"skip this\""};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputMultipleDeclares.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = null;
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResultMulDecs.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputDefault.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = null;
        String[] argFiles = null;
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputThreeParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'" , "tableName=\"skip this\""};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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        pigIStream = new BufferedReader(new FileReader(basedir + "/inputThreeParams.pig"));
        pigOStream = new FileWriter(basedir + "/output1.pig");


        String[] arg = {"date='20080228'"};
        String[] argFiles = {basedir+"/ConfFile2.txt"};
        ps.genSubstitutedFile(pigIStream , pigOStream , arg , argFiles);


        FileInputStream pigResultStream = new FileInputStream(basedir + "/output1.pig");
        pigExResultStream = new FileInputStream(basedir + "/ExpectedResult.pig");
        BufferedReader inExpected = new BufferedReader(new InputStreamReader(pigExResultStream));
        BufferedReader inResult = new BufferedReader(new InputStreamReader(pigResultStream));

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