Examples with TransformContext io.cdap.cdap.etl.api.TransformContext used on opensource projects

Example 16 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testConvertFromBytes.

@Test
public void testConvertFromBytes() throws Exception {
    Schema schema = Schema.recordOf("record", Schema.Field.of("booleanField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("intField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("longField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("floatField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("doubleField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("bytesField", Schema.of(Schema.Type.BYTES)), Schema.Field.of("stringField", Schema.of(Schema.Type.BYTES)));
    StructuredRecord input = StructuredRecord.builder(schema).set("booleanField", Bytes.toBytes(true)).set("intField", Bytes.toBytes(28)).set("longField", Bytes.toBytes(99L)).set("floatField", Bytes.toBytes(2.71f)).set("doubleField", Bytes.toBytes(3.14)).set("bytesField", Bytes.toBytes("foo")).set("stringField", Bytes.toBytes("bar")).build();
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, null, "booleanField:boolean,intField:int,longField:long,floatField:float," + "doubleField:double,bytesField:bytes,stringField:string", null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    transform.initialize(transformContext);
    MockEmitter<StructuredRecord> emitter = new MockEmitter<>();
    transform.transform(input, emitter);
    StructuredRecord output = emitter.getEmitted().get(0);
    Schema expectedSchema = Schema.recordOf(SIMPLE_TYPES_SCHEMA.getRecordName() + ".projected", SIMPLE_TYPES_SCHEMA.getFields());
    Assert.assertEquals(expectedSchema, output.getSchema());
    Assert.assertTrue((Boolean) output.get("booleanField"));
    Assert.assertEquals(28, output.<Integer>get("intField").intValue());
    Assert.assertEquals(99L, output.<Long>get("longField").longValue());
    Assert.assertTrue(Math.abs(2.71f - (Float) output.get("floatField")) < 0.000001);
    Assert.assertTrue(Math.abs(3.14 - (Double) output.get("doubleField")) < 0.000001);
    Assert.assertArrayEquals(Bytes.toBytes("foo"), (byte[]) output.get("bytesField"));
    Assert.assertEquals("bar", output.get("stringField"));
}

Example 17 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testSameFieldMultipleRenames.

@Test
public void testSameFieldMultipleRenames() throws Exception {
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, "x:z,x:y", null, null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    try {
        transform.initialize(transformContext);
        Assert.fail();
    } catch (ValidationException e) {
        Assert.assertEquals(1, e.getFailures().size());
        Assert.assertEquals(2, e.getFailures().get(0).getCauses().size());
    }
}

Example 18 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project hydrator-plugins by cdapio.

the class ProjectionTransformTest method testConvertToString.

@Test
public void testConvertToString() throws Exception {
    ProjectionTransform.ProjectionTransformConfig config = new ProjectionTransform.ProjectionTransformConfig(null, null, "booleanField:string,intField:string,longField:string,floatField:string," + "doubleField:string,bytesField:string,stringField:string", null);
    Transform<StructuredRecord, StructuredRecord> transform = new ProjectionTransform(config);
    TransformContext transformContext = new MockTransformContext();
    transform.initialize(transformContext);
    MockEmitter<StructuredRecord> emitter = new MockEmitter<>();
    transform.transform(SIMPLE_TYPES_RECORD, emitter);
    StructuredRecord output = emitter.getEmitted().get(0);
    Schema expectedSchema = Schema.recordOf("record.projected", Schema.Field.of("booleanField", Schema.of(Schema.Type.STRING)), Schema.Field.of("intField", Schema.of(Schema.Type.STRING)), Schema.Field.of("longField", Schema.of(Schema.Type.STRING)), Schema.Field.of("floatField", Schema.of(Schema.Type.STRING)), Schema.Field.of("doubleField", Schema.of(Schema.Type.STRING)), Schema.Field.of("bytesField", Schema.of(Schema.Type.STRING)), Schema.Field.of("stringField", Schema.of(Schema.Type.STRING)));
    Assert.assertEquals(expectedSchema, output.getSchema());
    Assert.assertEquals("true", output.get("booleanField"));
    Assert.assertEquals("28", output.get("intField"));
    Assert.assertEquals("99", output.get("longField"));
    Assert.assertEquals("2.71", output.get("floatField"));
    Assert.assertEquals("3.14", output.get("doubleField"));
    Assert.assertEquals("foo", output.get("bytesField"));
    Assert.assertEquals("bar", output.get("stringField"));
}

Example 19 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project cdap by caskdata.

the class TransformExecutorFactory method getMultiOutputTransform.

private <IN, ERROR> TrackedMultiOutputTransform<IN, ERROR> getMultiOutputTransform(StageSpec stageSpec) throws Exception {
    String stageName = stageSpec.getName();
    SplitterTransform<IN, ERROR> splitterTransform = pluginInstantiator.newPluginInstance(stageName, macroEvaluator);
    TransformContext transformContext = createRuntimeContext(stageSpec);
    splitterTransform.initialize(transformContext);
    StageMetrics stageMetrics = new DefaultStageMetrics(metrics, stageName);
    StageStatisticsCollector collector = collectStageStatistics ? getStatisticsCollector(stageName) : NoopStageStatisticsCollector.INSTANCE;
    return new TrackedMultiOutputTransform<>(splitterTransform, stageMetrics, getDataTracer(stageName), collector);
}

Example 20 with TransformContext

use of io.cdap.cdap.etl.api.TransformContext in project cdap by cdapio.

the class TransformExecutorFactory method getMultiOutputTransform.

private <IN, ERROR> TrackedMultiOutputTransform<IN, ERROR> getMultiOutputTransform(StageSpec stageSpec) throws Exception {
    String stageName = stageSpec.getName();
    SplitterTransform<IN, ERROR> splitterTransform = pluginInstantiator.newPluginInstance(stageName, macroEvaluator);
    TransformContext transformContext = createRuntimeContext(stageSpec);
    splitterTransform.initialize(transformContext);
    StageMetrics stageMetrics = new DefaultStageMetrics(metrics, stageName);
    StageStatisticsCollector collector = collectStageStatistics ? getStatisticsCollector(stageName) : NoopStageStatisticsCollector.INSTANCE;
    return new TrackedMultiOutputTransform<>(splitterTransform, stageMetrics, getDataTracer(stageName), collector);
}