Examples with StepInterface org.pentaho.di.trans.step.StepInterface used on opensource projects

Example 36 with StepInterface

use of org.pentaho.di.trans.step.StepInterface in project pentaho-kettle by pentaho.

the class UpdateIT method setUp.

@Override
@Before
public void setUp() throws Exception {
    KettleEnvironment.init();
    /* SET UP TRANSFORMATION */
    // Create a new transformation...
    TransMeta transMeta = new TransMeta();
    transMeta.setName("update test");
    // Add the database connections
    for (int i = 0; i < databasesXML.length; i++) {
        DatabaseMeta databaseMeta = new DatabaseMeta(databasesXML[i]);
        transMeta.addDatabase(databaseMeta);
    }
    DatabaseMeta dbInfo = transMeta.findDatabase("db");
    /* SET UP DATABASE */
    // Create target table
    db = new Database(transMeta, dbInfo);
    db.connect();
    String source = db.getCreateTableStatement(TARGET_TABLE, getTargetTableRowMeta(), null, false, null, true);
    db.execStatement(source);
    // populate target table
    for (String sql : insertStatement) {
        db.execStatement(sql);
    }
    /* SET UP TRANSFORMATION STEPS */
    PluginRegistry registry = PluginRegistry.getInstance();
    // create an injector step...
    String injectorStepName = "injector step";
    InjectorMeta im = new InjectorMeta();
    // Set the information of the injector.
    String injectorPid = registry.getPluginId(StepPluginType.class, im);
    StepMeta injectorStep = new StepMeta(injectorPid, injectorStepName, im);
    transMeta.addStep(injectorStep);
    // create the update step...
    String updateStepName = "update [" + TARGET_TABLE + "]";
    upd = new UpdateMeta();
    upd.setDatabaseMeta(transMeta.findDatabase("db"));
    upd.setTableName(TARGET_TABLE);
    upd.setUpdateLookup(new String[] { "VALUE" });
    upd.setUpdateStream(new String[] { "VALUE" });
    upd.setErrorIgnored(true);
    String fromid = registry.getPluginId(StepPluginType.class, upd);
    StepMeta updateStep = new StepMeta(fromid, updateStepName, upd);
    updateStep.setDescription("update data in table [" + TARGET_TABLE + "] on database [" + dbInfo + "]");
    transMeta.addStep(updateStep);
    TransHopMeta hi = new TransHopMeta(injectorStep, updateStep);
    transMeta.addTransHop(hi);
    /* PREPARE TRANSFORMATION EXECUTION */
    trans = new Trans(transMeta);
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(updateStepName, 0);
    rc = new RowStepCollector();
    si.addRowListener(rc);
    rp = trans.addRowProducer(injectorStepName, 0);
}

Example 37 with StepInterface

use of org.pentaho.di.trans.step.StepInterface in project pentaho-kettle by pentaho.

the class ValueMapperIT method testValueMapper6.

/**
 * Test case for valuemapper step. Injector step to a valuemapper step to a dummy step. Rows go in and should be
 * mapped accordingly.
 *
 * This test will explicitly test the empty field processing. using a non matching default.
 */
public void testValueMapper6() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("valuemappertest6");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create an injector step...
    // 
    String injectorStepname = "injector step";
    InjectorMeta im = new InjectorMeta();
    // Set the information of the injector.
    String injectorPid = registry.getPluginId(StepPluginType.class, im);
    StepMeta injectorStep = new StepMeta(injectorPid, injectorStepname, im);
    transMeta.addStep(injectorStep);
    // 
    // Create a dummy step 1
    // 
    String dummyStepname1 = "dummy step 1";
    DummyTransMeta dm1 = new DummyTransMeta();
    String dummyPid1 = registry.getPluginId(StepPluginType.class, dm1);
    StepMeta dummyStep1 = new StepMeta(dummyPid1, dummyStepname1, dm1);
    transMeta.addStep(dummyStep1);
    TransHopMeta hi = new TransHopMeta(injectorStep, dummyStep1);
    transMeta.addTransHop(hi);
    // 
    // Create a ValueMapper step
    // 
    String valueMapperName = "valuemapper step";
    ValueMapperMeta vm = new ValueMapperMeta();
    vm.setFieldToUse("field1");
    vm.setTargetField("");
    vm.setNonMatchDefault("default");
    vm.setSourceValue(new String[] { "abc", "ABC", "def", "ghijk", null });
    vm.setTargetValue(new String[] { "begin", "BEG_LONGER", "test", "blah", "emptyField" });
    String valueMapperPid = registry.getPluginId(StepPluginType.class, vm);
    StepMeta valueMapperStep = new StepMeta(valueMapperPid, valueMapperName, vm);
    transMeta.addStep(valueMapperStep);
    TransHopMeta hi2 = new TransHopMeta(dummyStep1, valueMapperStep);
    transMeta.addTransHop(hi2);
    // 
    // Create a dummy step 2
    // 
    String dummyStepname2 = "dummy step 2";
    DummyTransMeta dm2 = new DummyTransMeta();
    String dummyPid2 = registry.getPluginId(StepPluginType.class, dm2);
    StepMeta dummyStep2 = new StepMeta(dummyPid2, dummyStepname2, dm2);
    transMeta.addStep(dummyStep2);
    TransHopMeta hi3 = new TransHopMeta(valueMapperStep, dummyStep2);
    transMeta.addTransHop(hi3);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    boolean prepare;
    try {
        trans.prepareExecution(null);
        prepare = true;
    } catch (KettleException e) {
        prepare = false;
    }
    assertTrue(prepare);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector dummyRc1 = new RowStepCollector();
    si.addRowListener(dummyRc1);
    si = trans.getStepInterface(valueMapperName, 0);
    RowStepCollector valueMapperRc = new RowStepCollector();
    si.addRowListener(valueMapperRc);
    si = trans.getStepInterface(dummyStepname2, 0);
    RowStepCollector dummyRc = new RowStepCollector();
    si.addRowListener(dummyRc);
    RowProducer rp = trans.addRowProducer(injectorStepname, 0);
    trans.startThreads();
    // add rows
    List<RowMetaAndData> inputList = createData();
    Iterator<RowMetaAndData> it = inputList.iterator();
    while (it.hasNext()) {
        RowMetaAndData rm = it.next();
        rp.putRow(rm.getRowMeta(), rm.getData());
    }
    rp.finished();
    trans.waitUntilFinished();
    // Compare the results
    List<RowMetaAndData> resultRows = dummyRc.getRowsWritten();
    List<RowMetaAndData> goldenImageRows = createResultData6();
    checkRows(goldenImageRows, resultRows);
}

Example 38 with StepInterface

use of org.pentaho.di.trans.step.StepInterface in project pentaho-kettle by pentaho.

the class ValueMapperIT method testValueMapper4.

/*----------------- TODO */
/**
 * Test case for valuemapper step. Injector step to a valuemapper step to a dummy step. Rows go in and should be
 * mapped accordingly.
 *
 * This test will write the mappings in a new field, using a non matching default.
 */
public void testValueMapper4() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("valuemappertest4");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create an injector step...
    // 
    String injectorStepname = "injector step";
    InjectorMeta im = new InjectorMeta();
    // Set the information of the injector.
    String injectorPid = registry.getPluginId(StepPluginType.class, im);
    StepMeta injectorStep = new StepMeta(injectorPid, injectorStepname, im);
    transMeta.addStep(injectorStep);
    // 
    // Create a dummy step 1
    // 
    String dummyStepname1 = "dummy step 1";
    DummyTransMeta dm1 = new DummyTransMeta();
    String dummyPid1 = registry.getPluginId(StepPluginType.class, dm1);
    StepMeta dummyStep1 = new StepMeta(dummyPid1, dummyStepname1, dm1);
    transMeta.addStep(dummyStep1);
    TransHopMeta hi = new TransHopMeta(injectorStep, dummyStep1);
    transMeta.addTransHop(hi);
    // 
    // Create a step
    // 
    String valueMapperName = "valuemapper step";
    ValueMapperMeta vm = new ValueMapperMeta();
    vm.setFieldToUse("field1");
    vm.setTargetField("new_field");
    vm.setNonMatchDefault("default");
    vm.setSourceValue(new String[] { "abc", "ABC", "def", "ghij" });
    vm.setTargetValue(new String[] { "begin", "BEG_LONGER", "test", "" });
    String valueMapperPid = registry.getPluginId(StepPluginType.class, vm);
    StepMeta valueMapperStep = new StepMeta(valueMapperPid, valueMapperName, vm);
    transMeta.addStep(valueMapperStep);
    TransHopMeta hi2 = new TransHopMeta(dummyStep1, valueMapperStep);
    transMeta.addTransHop(hi2);
    // 
    // Create a dummy step 2
    // 
    String dummyStepname2 = "dummy step 2";
    DummyTransMeta dm2 = new DummyTransMeta();
    String dummyPid2 = registry.getPluginId(StepPluginType.class, dm2);
    StepMeta dummyStep2 = new StepMeta(dummyPid2, dummyStepname2, dm2);
    transMeta.addStep(dummyStep2);
    TransHopMeta hi3 = new TransHopMeta(valueMapperStep, dummyStep2);
    transMeta.addTransHop(hi3);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector dummyRc1 = new RowStepCollector();
    si.addRowListener(dummyRc1);
    si = trans.getStepInterface(valueMapperName, 0);
    RowStepCollector valueMapperRc = new RowStepCollector();
    si.addRowListener(valueMapperRc);
    si = trans.getStepInterface(dummyStepname2, 0);
    RowStepCollector dummyRc = new RowStepCollector();
    si.addRowListener(dummyRc);
    RowProducer rp = trans.addRowProducer(injectorStepname, 0);
    trans.startThreads();
    // add rows
    List<RowMetaAndData> inputList = createData();
    Iterator<RowMetaAndData> it = inputList.iterator();
    while (it.hasNext()) {
        RowMetaAndData rm = it.next();
        rp.putRow(rm.getRowMeta(), rm.getData());
    }
    rp.finished();
    trans.waitUntilFinished();
    // Compare the results
    List<RowMetaAndData> resultRows = dummyRc.getRowsWritten();
    List<RowMetaAndData> goldenImageRows = createResultData4();
    checkRows(goldenImageRows, resultRows);
}

Example 39 with StepInterface

use of org.pentaho.di.trans.step.StepInterface in project pentaho-kettle by pentaho.

the class ValueMapperIT method testValueMapper2.

/**
 * Test case for valuemapper step. Injector step to a valuemapper step to a dummy step. Rows go in and should be
 * mapped accordingly.
 *
 * This test will write the mappings in the same field.
 */
public void testValueMapper2() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("valuemappertest2");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create an injector step...
    // 
    String injectorStepname = "injector step";
    InjectorMeta im = new InjectorMeta();
    // Set the information of the injector.
    String injectorPid = registry.getPluginId(StepPluginType.class, im);
    StepMeta injectorStep = new StepMeta(injectorPid, injectorStepname, im);
    transMeta.addStep(injectorStep);
    // 
    // Create a dummy step 1
    // 
    String dummyStepname1 = "dummy step 1";
    DummyTransMeta dm1 = new DummyTransMeta();
    String dummyPid1 = registry.getPluginId(StepPluginType.class, dm1);
    StepMeta dummyStep1 = new StepMeta(dummyPid1, dummyStepname1, dm1);
    transMeta.addStep(dummyStep1);
    TransHopMeta hi = new TransHopMeta(injectorStep, dummyStep1);
    transMeta.addTransHop(hi);
    // 
    // Create a step
    // 
    String valueMapperName = "valuemapper step";
    ValueMapperMeta vm = new ValueMapperMeta();
    vm.setFieldToUse("field1");
    vm.setTargetField("");
    vm.setSourceValue(new String[] { "abc", "ABC", "def", "ghij" });
    vm.setTargetValue(new String[] { "begin", "BEG_LONGER", "test", "" });
    String valueMapperPid = registry.getPluginId(StepPluginType.class, vm);
    StepMeta valueMapperStep = new StepMeta(valueMapperPid, valueMapperName, vm);
    transMeta.addStep(valueMapperStep);
    TransHopMeta hi2 = new TransHopMeta(dummyStep1, valueMapperStep);
    transMeta.addTransHop(hi2);
    // 
    // Create a dummy step 2
    // 
    String dummyStepname2 = "dummy step 2";
    DummyTransMeta dm2 = new DummyTransMeta();
    String dummyPid2 = registry.getPluginId(StepPluginType.class, dm2);
    StepMeta dummyStep2 = new StepMeta(dummyPid2, dummyStepname2, dm2);
    transMeta.addStep(dummyStep2);
    TransHopMeta hi3 = new TransHopMeta(valueMapperStep, dummyStep2);
    transMeta.addTransHop(hi3);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector dummyRc1 = new RowStepCollector();
    si.addRowListener(dummyRc1);
    si = trans.getStepInterface(valueMapperName, 0);
    RowStepCollector valueMapperRc = new RowStepCollector();
    si.addRowListener(valueMapperRc);
    si = trans.getStepInterface(dummyStepname2, 0);
    RowStepCollector dummyRc = new RowStepCollector();
    si.addRowListener(dummyRc);
    RowProducer rp = trans.addRowProducer(injectorStepname, 0);
    trans.startThreads();
    // add rows
    List<RowMetaAndData> inputList = createData();
    Iterator<RowMetaAndData> it = inputList.iterator();
    while (it.hasNext()) {
        RowMetaAndData rm = it.next();
        rp.putRow(rm.getRowMeta(), rm.getData());
    }
    rp.finished();
    trans.waitUntilFinished();
    // Compare the results
    List<RowMetaAndData> resultRows = dummyRc.getRowsWritten();
    List<RowMetaAndData> goldenImageRows = createResultData2();
    checkRows(goldenImageRows, resultRows);
}

Example 40 with StepInterface

use of org.pentaho.di.trans.step.StepInterface in project pentaho-kettle by pentaho.

the class WebServiceIT method testProcessRow.

public void testProcessRow() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("WebServiceTest");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create an injector step...
    // 
    String injectorStepname = "injector step";
    InjectorMeta im = new InjectorMeta();
    // Set the information of the injector.
    String injectorPid = registry.getPluginId(StepPluginType.class, im);
    StepMeta injectorStep = new StepMeta(injectorPid, injectorStepname, im);
    transMeta.addStep(injectorStep);
    // 
    // Create a dummy step 1
    // 
    String dummyStepname1 = "dummy step 1";
    DummyTransMeta dm1 = new DummyTransMeta();
    String dummyPid1 = registry.getPluginId(StepPluginType.class, dm1);
    StepMeta dummyStep1 = new StepMeta(dummyPid1, dummyStepname1, dm1);
    transMeta.addStep(dummyStep1);
    TransHopMeta hi = new TransHopMeta(injectorStep, dummyStep1);
    transMeta.addTransHop(hi);
    // 
    // Create a String Cut step
    // 
    String webServiceStepname = "web service step";
    WebServiceMeta scm = new WebServiceMeta();
    // scm.setUrl(HTTP_LOCALHOST_9998+ "wsdl");
    // scm.setOperationName("CelciusToFahrenheit");
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(new InputSource(new java.io.StringReader(STEP_META)));
    scm.loadXML(doc.getFirstChild(), null, (IMetaStore) null);
    String webServicePid = registry.getPluginId(StepPluginType.class, scm);
    StepMeta webServiceStep = new StepMeta(webServicePid, webServiceStepname, scm);
    transMeta.addStep(webServiceStep);
    TransHopMeta hi2 = new TransHopMeta(dummyStep1, webServiceStep);
    transMeta.addTransHop(hi2);
    // 
    // Create a dummy step 2
    // 
    String dummyStepname2 = "dummy step 2";
    DummyTransMeta dm2 = new DummyTransMeta();
    String dummyPid2 = registry.getPluginId(StepPluginType.class, dm2);
    StepMeta dummyStep2 = new StepMeta(dummyPid2, dummyStepname2, dm2);
    transMeta.addStep(dummyStep2);
    TransHopMeta hi3 = new TransHopMeta(webServiceStep, dummyStep2);
    transMeta.addTransHop(hi3);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector dummyRc1 = new RowStepCollector();
    si.addRowListener(dummyRc1);
    si = trans.getStepInterface(webServiceStepname, 0);
    RowStepCollector webServiceRc = new RowStepCollector();
    si.addRowListener(webServiceRc);
    RowProducer rp = trans.addRowProducer(injectorStepname, 0);
    trans.startThreads();
    // add rows
    List<RowMetaAndData> inputList = createData(createRowMetaInterface(), new Object[][] { new Object[] { 10 } });
    for (RowMetaAndData rm : inputList) {
        rp.putRow(rm.getRowMeta(), rm.getData());
    }
    rp.finished();
    trans.waitUntilFinished();
    List<RowMetaAndData> goldRows = createData(createOutputRowMetaInterface(), new Object[][] { new Object[] { 10, new BigDecimal(20) } });
    List<RowMetaAndData> resultRows2 = webServiceRc.getRowsWritten();
    assertEquals(goldRows, resultRows2);
}