Examples with TransHopMeta org.pentaho.di.trans.TransHopMeta used on opensource projects

Example 46 with TransHopMeta

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

the class ParameterSimpleTransIT method testParameterSimpleTrans3.

/**
 * Test case for parameters using a simple transformation. Here blocking some unwise usage of parameters.
 *
 * @throws Exception
 *           exception on any problem.
 */
public void testParameterSimpleTrans3() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("parameter_simple_trans3");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create a get variables step...
    // 
    String getVariablesStepname = "get variables step";
    GetVariableMeta gvm = new GetVariableMeta();
    // Set the information of the get variables step.
    String getVariablesPid = registry.getPluginId(StepPluginType.class, gvm);
    StepMeta getVariablesStep = new StepMeta(getVariablesPid, getVariablesStepname, gvm);
    transMeta.addStep(getVariablesStep);
    // 
    // Generate 1 row
    // 
    String[] fieldName = { "PARAM1", "PARAM2" };
    String[] varName = { "${JAVA_HOME}", "%%PARAM2%%" };
    int[] fieldType = { ValueMetaInterface.TYPE_STRING, ValueMetaInterface.TYPE_STRING };
    int[] length = { -1, -1 };
    int[] precision = { -1, -1 };
    String[] format = { "", "" };
    String[] currency = { "", "" };
    String[] decimal = { "", "" };
    String[] grouping = { "", "" };
    int[] trimType = { ValueMetaInterface.TRIM_TYPE_NONE, ValueMetaInterface.TRIM_TYPE_NONE };
    FieldDefinition[] fields = new FieldDefinition[fieldName.length];
    for (int i = 0; i < fields.length; i++) {
        FieldDefinition field = new FieldDefinition();
        field.setFieldName(fieldName[i]);
        field.setVariableString(varName[i]);
        field.setFieldType(fieldType[i]);
        field.setFieldLength(length[i]);
        field.setFieldPrecision(precision[i]);
        field.setFieldFormat(format[i]);
        field.setCurrency(currency[i]);
        field.setDecimal(decimal[i]);
        field.setGroup(grouping[i]);
        field.setTrimType(trimType[i]);
        fields[i] = field;
    }
    gvm.setFieldDefinitions(fields);
    // 
    // Create a dummy step 1
    // 
    String dummyStepname1 = "dummy step 1";
    DummyTransMeta dm1 = new DummyTransMeta();
    String dummyPid1 = registry.getPluginId(StepPluginType.class, dm1);
    StepMeta dummyStep1 = new StepMeta(dummyPid1, dummyStepname1, dm1);
    transMeta.addStep(dummyStep1);
    TransHopMeta hi1 = new TransHopMeta(getVariablesStep, dummyStep1);
    transMeta.addTransHop(hi1);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.addParameterDefinition("${JAVA_HOME}", "default1", "Parameter 1");
    trans.addParameterDefinition("PARAM2", "default2", "Parameter 2");
    trans.setParameterValue("${JAVA_HOME}", "param1");
    // PARAM2 is not set
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector endRc = new RowStepCollector();
    si.addRowListener(endRc);
    trans.startThreads();
    trans.waitUntilFinished();
    // Now check whether the output is still as we expect.
    List<RowMetaAndData> goldenImageRows = createResultData3();
    List<RowMetaAndData> resultRows1 = endRc.getRowsWritten();
    checkRows(resultRows1, goldenImageRows);
}

Example 47 with TransHopMeta

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

the class ParameterSimpleTransIT method testParameterSimpleTrans4.

/**
 * Test case for parameters using a simple transformation. Check whether parameters override variables.
 *
 * @throws Exception
 *           exception on any problem.
 */
public void testParameterSimpleTrans4() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("parameter_simple_trans4");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create a get variables step...
    // 
    String getVariablesStepname = "get variables step";
    GetVariableMeta gvm = new GetVariableMeta();
    // Set the information of the get variables step.
    String getVariablesPid = registry.getPluginId(StepPluginType.class, gvm);
    StepMeta getVariablesStep = new StepMeta(getVariablesPid, getVariablesStepname, gvm);
    transMeta.addStep(getVariablesStep);
    // 
    // Generate 1 row
    // 
    String[] fieldName = { "PARAM1", "PARAM2" };
    String[] varName = { "${Param1}", "%%PARAM2%%" };
    int[] fieldType = { ValueMetaInterface.TYPE_STRING, ValueMetaInterface.TYPE_STRING };
    int[] length = { -1, -1 };
    int[] precision = { -1, -1 };
    String[] format = { "", "" };
    String[] currency = { "", "" };
    String[] decimal = { "", "" };
    String[] grouping = { "", "" };
    int[] trimType = { ValueMetaInterface.TRIM_TYPE_NONE, ValueMetaInterface.TRIM_TYPE_NONE };
    FieldDefinition[] fields = new FieldDefinition[fieldName.length];
    for (int i = 0; i < fields.length; i++) {
        FieldDefinition field = new FieldDefinition();
        field.setFieldName(fieldName[i]);
        field.setVariableString(varName[i]);
        field.setFieldType(fieldType[i]);
        field.setFieldLength(length[i]);
        field.setFieldPrecision(precision[i]);
        field.setFieldFormat(format[i]);
        field.setCurrency(currency[i]);
        field.setDecimal(decimal[i]);
        field.setGroup(grouping[i]);
        field.setTrimType(trimType[i]);
        fields[i] = field;
    }
    gvm.setFieldDefinitions(fields);
    // 
    // 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 hi1 = new TransHopMeta(getVariablesStep, dummyStep1);
    transMeta.addTransHop(hi1);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.addParameterDefinition("Param1", "", "Parameter 1");
    trans.addParameterDefinition("PARAM2", "", "Parameter 2");
    trans.setParameterValue("Param1", "ParamValue1");
    trans.setParameterValue("PARAM2", "PARAMVALUE2");
    // See whether this variable overrides the parameter... it should NOT.
    trans.setVariable("Param1", "Variable1");
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector endRc = new RowStepCollector();
    si.addRowListener(endRc);
    trans.startThreads();
    trans.waitUntilFinished();
    // Now check whether the output is still as we expect.
    List<RowMetaAndData> goldenImageRows = createResultData1();
    List<RowMetaAndData> resultRows1 = endRc.getRowsWritten();
    checkRows(resultRows1, goldenImageRows);
}

Example 48 with TransHopMeta

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

the class ParameterSimpleTransIT method testParameterSimpleTrans6.

/**
 * Test case for parameters using a simple transformation. Check whether parameters override variables.
 *
 * @throws Exception
 *           exception on any problem.
 */
public void testParameterSimpleTrans6() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("parameter_simple_trans4");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create a get variables step...
    // 
    String getVariablesStepname = "get variables step";
    GetVariableMeta gvm = new GetVariableMeta();
    // Set the information of the get variables step.
    String getVariablesPid = registry.getPluginId(StepPluginType.class, gvm);
    StepMeta getVariablesStep = new StepMeta(getVariablesPid, getVariablesStepname, gvm);
    transMeta.addStep(getVariablesStep);
    // 
    // Generate 1 row
    // 
    String[] fieldName = { "PARAM1", "PARAM2" };
    String[] varName = { "${Param1}", "%%PARAM2%%" };
    int[] fieldType = { ValueMetaInterface.TYPE_STRING, ValueMetaInterface.TYPE_STRING };
    int[] length = { -1, -1 };
    int[] precision = { -1, -1 };
    String[] format = { "", "" };
    String[] currency = { "", "" };
    String[] decimal = { "", "" };
    String[] grouping = { "", "" };
    int[] trimType = { ValueMetaInterface.TRIM_TYPE_NONE, ValueMetaInterface.TRIM_TYPE_NONE };
    FieldDefinition[] fields = new FieldDefinition[fieldName.length];
    for (int i = 0; i < fields.length; i++) {
        FieldDefinition field = new FieldDefinition();
        field.setFieldName(fieldName[i]);
        field.setVariableString(varName[i]);
        field.setFieldType(fieldType[i]);
        field.setFieldLength(length[i]);
        field.setFieldPrecision(precision[i]);
        field.setFieldFormat(format[i]);
        field.setCurrency(currency[i]);
        field.setDecimal(decimal[i]);
        field.setGroup(grouping[i]);
        field.setTrimType(trimType[i]);
        fields[i] = field;
    }
    gvm.setFieldDefinitions(fields);
    // 
    // 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 hi1 = new TransHopMeta(getVariablesStep, dummyStep1);
    transMeta.addTransHop(hi1);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.addParameterDefinition("Param1", "", "Parameter 1");
    trans.addParameterDefinition("PARAM2", "", "Parameter 2");
    trans.setParameterValue("PARAM2", "PARAMVALUE2");
    // See whether this variable overrides the parameter... it should NOT. Param1
    // is defined but not set. And no default... so the variable will be set to "". not
    // to "Variable1"
    trans.setVariable("Param1", "Variable1");
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector endRc = new RowStepCollector();
    si.addRowListener(endRc);
    trans.startThreads();
    trans.waitUntilFinished();
    // Now check whether the output is still as we expect.
    List<RowMetaAndData> goldenImageRows = createResultData6();
    List<RowMetaAndData> resultRows1 = endRc.getRowsWritten();
    checkRows(resultRows1, goldenImageRows);
}

Example 49 with TransHopMeta

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

the class ParameterSimpleTransIT method testParameterSimpleTrans1.

/**
 * Test case for parameters using a simple transformation.
 *
 * @throws Exception
 *           exception on any problem.
 */
public void testParameterSimpleTrans1() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("parameter_simple_trans1");
    PluginRegistry registry = PluginRegistry.getInstance();
    // 
    // create a get variables step...
    // 
    String getVariablesStepname = "get variables step";
    GetVariableMeta gvm = new GetVariableMeta();
    // Set the information of the get variables step.
    String getVariablesPid = registry.getPluginId(StepPluginType.class, gvm);
    StepMeta getVariablesStep = new StepMeta(getVariablesPid, getVariablesStepname, gvm);
    transMeta.addStep(getVariablesStep);
    // 
    // Generate 1 row
    // 
    String[] fieldName = { "PARAM1", "PARAM2" };
    String[] varName = { "${Param1}", "%%PARAM2%%" };
    int[] fieldType = { ValueMetaInterface.TYPE_STRING, ValueMetaInterface.TYPE_STRING };
    int[] length = { -1, -1 };
    int[] precision = { -1, -1 };
    String[] format = { "", "" };
    String[] currency = { "", "" };
    String[] decimal = { "", "" };
    String[] grouping = { "", "" };
    int[] trimType = { ValueMetaInterface.TRIM_TYPE_NONE, ValueMetaInterface.TRIM_TYPE_NONE };
    FieldDefinition[] fields = new FieldDefinition[fieldName.length];
    for (int i = 0; i < fields.length; i++) {
        FieldDefinition field = new FieldDefinition();
        field.setFieldName(fieldName[i]);
        field.setVariableString(varName[i]);
        field.setFieldType(fieldType[i]);
        field.setFieldLength(length[i]);
        field.setFieldPrecision(precision[i]);
        field.setFieldFormat(format[i]);
        field.setCurrency(currency[i]);
        field.setDecimal(decimal[i]);
        field.setGroup(grouping[i]);
        field.setTrimType(trimType[i]);
        fields[i] = field;
    }
    gvm.setFieldDefinitions(fields);
    // 
    // 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 hi1 = new TransHopMeta(getVariablesStep, dummyStep1);
    transMeta.addTransHop(hi1);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.addParameterDefinition("Param1", "", "Parameter 1");
    trans.addParameterDefinition("PARAM2", "", "Parameter 2");
    trans.setParameterValue("Param1", "ParamValue1");
    trans.setParameterValue("PARAM2", "PARAMVALUE2");
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname1, 0);
    RowStepCollector endRc = new RowStepCollector();
    si.addRowListener(endRc);
    trans.startThreads();
    trans.waitUntilFinished();
    // Now check whether the output is still as we expect.
    List<RowMetaAndData> goldenImageRows = createResultData1();
    List<RowMetaAndData> resultRows1 = endRc.getRowsWritten();
    checkRows(resultRows1, goldenImageRows);
}

Example 50 with TransHopMeta

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

the class InjectorIT method testInjector.

/**
 * Test case for injector step... also a show case on how to use injector.
 */
public void testInjector() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("injectortest");
    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
    // 
    String dummyStepname = "dummy step";
    DummyTransMeta dm = new DummyTransMeta();
    String dummyPid = registry.getPluginId(StepPluginType.class, dm);
    StepMeta dummyStep = new StepMeta(dummyPid, dummyStepname, dm);
    transMeta.addStep(dummyStep);
    TransHopMeta hi = new TransHopMeta(injectorStep, dummyStep);
    transMeta.addTransHop(hi);
    // Now execute the transformation...
    Trans trans = new Trans(transMeta);
    trans.prepareExecution(null);
    StepInterface si = trans.getStepInterface(dummyStepname, 0);
    RowStepCollector rc = new RowStepCollector();
    si.addRowListener(rc);
    RowProducer rp = trans.addRowProducer(injectorStepname, 0);
    trans.startThreads();
    // add rows
    List<RowMetaAndData> inputList = createData();
    for (RowMetaAndData rm : inputList) {
        rp.putRow(rm.getRowMeta(), rm.getData());
    }
    rp.finished();
    trans.waitUntilFinished();
    List<RowMetaAndData> resultRows = rc.getRowsWritten();
    checkRows(resultRows, inputList);
}