Examples of EsTap

org.elasticsearch.hadoop.cascading.EsTap
Cascading Tap backed by ElasticSearch. Can be used as a source and/or sink, for both local and Hadoop (local or not) flows. If no fields are specified or are associated with the incoming tuple, the Tap will create name each field "field[num]" - this allows the document to be parsed by ES but will most likely conflict with the existing mapping for the given index.

Examples of org.elasticsearch.hadoop.cascading.EsTap


        properties.put(ConfigurationOptions.ES_UPDATE_SCRIPT, "counter = 1");


        Tap in = sourceTap();
        // use an existing id to allow the update to succeed
        Tap out = new EsTap("cascading-local/upsert-script", new Fields("id", "name", "url", "picture"));


        Pipe pipe = new Pipe("copy");
        build(properties, in, out, pipe);
    }

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        properties.put(ConfigurationOptions.ES_UPDATE_SCRIPT_LANG, "groovy");
        properties.put(ConfigurationOptions.ES_UPDATE_SCRIPT_PARAMS, " param1:<1>,   param2:id ");


        Tap in = sourceTap();
        // use an existing id to allow the update to succeed
        Tap out = new EsTap("cascading-local/upsert-param-script", new Fields("id", "name", "url", "picture"));


        Pipe pipe = new Pipe("copy");
        build(properties, in, out, pipe);
    }

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        properties.put(ConfigurationOptions.ES_UPDATE_SCRIPT_LANG, "groovy");
        properties.put(ConfigurationOptions.ES_UPDATE_SCRIPT_PARAMS_JSON, "{ \"param1\":1, \"param2\":2}");


        Tap in = sourceTap();
        // use an existing id to allow the update to succeed
        Tap out = new EsTap("cascading-local/upsert-script-json-script", new Fields("id", "name", "url", "picture"));


        Pipe pipe = new Pipe("copy");
        build(properties, in, out, pipe);
    }

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Examples of org.elasticsearch.hadoop.cascading.EsTap

    public void testCascadeConnector() {
        Pipe copy = new Pipe("copy");
        Properties cfg = new TestSettings().getProperties();


        FlowDef flow = new FlowDef().addSource(copy, sourceTap()).addTailSink(copy,
                new EsTap("cascading-local/cascade-connector"));


        FlowConnector connector = new LocalFlowConnector(cfg);
        Flow[] flows = new Flow[] { connector.connect(flow) };


        CascadeConnector cascadeConnector = new CascadeConnector(cfg);

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        RestUtils.refresh("cascading-local");
    }


    @Test
    public void testReadFromES() throws Exception {
        Tap in = new EsTap("cascading-local/artists", query);
        Pipe pipe = new Pipe("copy");
        pipe = new Each(pipe, new FilterNotNull());
        pipe = new Each(pipe, AssertionLevel.STRICT, new AssertSizeLessThan(5));
        // can't select when using unknown
        //pipe = new Each(pipe, new Fields("name"), AssertionLevel.STRICT, new AssertNotNull());

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        build(cfg(), in, out, pipe);
    }


    @Test
    public void testReadFromESWithFields() throws Exception {
        Tap in = new EsTap("cascading-local/artists", query, new Fields("url", "name"));
        Pipe pipe = new Pipe("copy");
        pipe = new Each(pipe, AssertionLevel.STRICT, new AssertSizeEquals(2));
        pipe = new Each(pipe, AssertionLevel.STRICT, new AssertNotNull());
        pipe = new GroupBy(pipe);
        pipe = new Every(pipe, new Count());

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        build(cfg(), in, out, pipe);
    }


    @Test
    public void testReadFromESAliasedField() throws Exception {
        Tap in = new EsTap("cascading-local/alias", query, new Fields("address"));
        Pipe pipe = new Pipe("copy");
        pipe = new Each(pipe, AssertionLevel.STRICT, new AssertNotNull());
        pipe = new GroupBy(pipe);
        pipe = new Every(pipe, new Count());

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        build(cfg(), in, out, pipe);
    }


    @Test
    public void testReadFromESWithFieldAlias() throws Exception {
        Tap in = new EsTap("cascading-local/alias", query, new Fields("url"));
        Pipe pipe = new Pipe("copy");
        pipe = new Each(pipe, AssertionLevel.STRICT, new AssertNotNull());
        pipe = new GroupBy(pipe);
        pipe = new Every(pipe, new Count());

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Examples of org.elasticsearch.hadoop.cascading.EsTap

    public void testWriteToES() throws Exception {
        Properties props = new TestSettings().getProperties();
        props.put(ConfigurationOptions.ES_INPUT_JSON, "true");


        Tap in = sourceTap();
        Tap out = new EsTap("json-cascading-local/artists");


        Pipe pipe = new Pipe("copy");
        build(props, in, out, pipe);
    }

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Examples of org.elasticsearch.hadoop.cascading.EsTap

        Properties properties = new TestSettings().getProperties();
        properties.put(ConfigurationOptions.ES_INDEX_AUTO_CREATE, "false");
        properties.put(ConfigurationOptions.ES_INPUT_JSON, "true");


        Tap in = sourceTap();
        Tap out = new EsTap("json-cascading-local/non-existing", new Fields("line"));
        Pipe pipe = new Pipe("copy");
        build(properties, in, out, pipe);
    }

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