Package cascading.pipe

Examples of cascading.pipe.Each

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        Tap in = sourceTap();
        Tap out = new EsTap("cascading-hadoop/alias", "", new Fields("name", "url", "picture"));
        Pipe pipe = new Pipe("copy");

        // rename "id" -> "garbage"
        pipe = new Each(pipe, new Identity(new Fields("garbage", "name", "url", "picture", "ts")));

        Properties props = HdpBootstrap.asProperties(CascadingHadoopSuite.configuration);
        props.setProperty("es.mapping.names", "url:address");
        StatsUtils.proxy(new HadoopFlowConnector(props).connect(in, out, pipe)).complete();
    }
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        Tap in = sourceTap();
        Tap out = new EsTap("cascading-local/alias", new Fields("name", "url", "picture"));
        Pipe pipe = new Pipe("copy");

        // rename "id" -> "garbage"
        pipe = new Each(pipe, new Identity(new Fields("garbage", "name", "url", "picture", "ts")));

        Properties props = new TestSettings().getProperties();
        props.setProperty("es.mapping.names", "url:address");
        build(props, in, out, pipe);
    }
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        Tap out = new EsTap("cascading-local/non-existing", new Fields("name", "url", "picture"));

        Pipe pipe = new Pipe("copy");

        // rename "id" -> "garbage"
        pipe = new Each(pipe, new Identity(new Fields("garbage", "name", "url", "picture", "ts")));
        build(properties, in, out, pipe);
    }
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        Tap in = sourceTap();
        Tap out = new EsTap("cascading-local/fieldmapping", new Fields("name", "url", "picture"));
        Pipe pipe = new Pipe("copy");

        // rename "id" -> "garbage"
        pipe = new Each(pipe, new Identity(new Fields("garbage", "name", "url", "picture", "ts")));

        Properties props = new TestSettings().getProperties();
        props.setProperty("es.mapping.ttl", "<1>");
        build(props, in, out, pipe);
    }
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    @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());
        pipe = new GroupBy(pipe);
        pipe = new Every(pipe, new Count());
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    @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());

        // print out
        Tap out = new OutputStreamTap(new TextLine(), OUT);
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    @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());

        // print out
        Tap out = new OutputStreamTap(new TextLine(), OUT);
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    @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());

        // print out
        // print out
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    @Test
    public void testReadFromES() throws Exception {
        Tap in = new EsTap(indexPrefix + "cascading-hadoop/artists");
        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());
        pipe = new GroupBy(pipe);
        pipe = new Every(pipe, new Count());
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        Properties cfg = cfg();
        cfg.setProperty("es.mapping.names", "nested:data.map.key");

        Tap in = new EsTap(indexPrefix + "cascading-hadoop/nestedmap", new Fields("nested"));
        Pipe pipe = new Pipe("copy");
        pipe = new Each(pipe, new FilterNotNull());
        pipe = new Each(pipe, AssertionLevel.STRICT, new AssertSizeLessThan(2));

        // print out
        Tap out = new HadoopPrintStreamTap(Stream.NULL);
        build(cfg, in, out, pipe);
    }
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Related Classes of cascading.pipe.Each

  • cascading.BasicPipesPlatformTest
  • cascading.BasicTrapPlatformTest
  • cascading.BufferPipesPlatformTest
  • cascading.cascade.CascadePlatformTest
  • cascading.cascade.hadoop.RiffleCascadePlatformTest
  • cascading.cascade.ParallelCascadePlatformTest
  • cascading.CoGroupFieldedPipesPlatformTest
  • cascading.DistanceUseCasePlatformTest
  • cascading.FieldedPipesPlatformTest
  • cascading.flow.AssemblyPlannerPlatformTest
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