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

Example 51 with StepInterface

use of org.pentaho.di.trans.step.StepInterface 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 52 with StepInterface

use of org.pentaho.di.trans.step.StepInterface 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 53 with StepInterface

use of org.pentaho.di.trans.step.StepInterface 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);
}

Example 54 with StepInterface

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

the class InsertUpdateIT method setUp.

@Override
@Before
public void setUp() throws Exception {
    KettleEnvironment.init();
    /* SET UP TRANSFORMATION */
    // Create a new transformation...
    TransMeta transMeta = new TransMeta();
    transMeta.setName("insert/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 = "insert/update [" + TARGET_TABLE + "]";
    insupd = new InsertUpdateMeta();
    insupd.setDatabaseMeta(transMeta.findDatabase("db"));
    insupd.setTableName(TARGET_TABLE);
    insupd.setUpdateLookup(new String[] { "VALUE", "ROW_ORDER" });
    insupd.setUpdateStream(new String[] { "VALUE", "ROW_ORDER" });
    insupd.setUpdate(new Boolean[] { true, false });
    String fromid = registry.getPluginId(StepPluginType.class, insupd);
    StepMeta updateStep = new StepMeta(fromid, updateStepName, insupd);
    updateStep.setDescription("insert/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 55 with StepInterface

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

the class JaninoStepIT method testJaninoStep.

/**
 * Test case for janino step.
 */
@Test
public void testJaninoStep() throws Exception {
    KettleEnvironment.init();
    // 
    // Create a new transformation...
    // 
    TransMeta transMeta = new TransMeta();
    transMeta.setName("janino test");
    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 janino step...
    // 
    String stepname = "janino";
    JaninoMeta jm = new JaninoMeta();
    // Set the information of the step
    String janinoPid = registry.getPluginId(StepPluginType.class, jm);
    StepMeta janinoStep = new StepMeta(janinoPid, stepname, jm);
    transMeta.addStep(janinoStep);
    jm.setDefault();
    JaninoMetaFunction[] formulas = { new JaninoMetaFunction("string", "(string==null)?null:\"string-value\"", ValueMetaInterface.TYPE_STRING, -1, -1, "string"), new JaninoMetaFunction("integer", "(integer==null)?null:new Long(42L)", ValueMetaInterface.TYPE_INTEGER, -1, -1, "integer"), new JaninoMetaFunction("number", "(number==null)?null:new Double(23.0)", ValueMetaInterface.TYPE_NUMBER, -1, -1, "number"), new JaninoMetaFunction("bigdecimal", "(bigdecimal==null)?null:new java.math.BigDecimal(11.0)", ValueMetaInterface.TYPE_BIGNUMBER, -1, -1, "bigdecimal"), new JaninoMetaFunction("date", "(date==null)?null:new java.util.Date(10000000)", ValueMetaInterface.TYPE_DATE, -1, -1, "date"), new JaninoMetaFunction("binary", "(binary==null)?null:new byte[]{1,2,3,4,5}", ValueMetaInterface.TYPE_BINARY, -1, -1, "binary"), new JaninoMetaFunction("bool", "(bool==null)?null:Boolean.TRUE", ValueMetaInterface.TYPE_BOOLEAN, -1, -1, "bool"), new JaninoMetaFunction("timestamp", "(timestamp==null)?null:new java.sql.Timestamp(0L)", ValueMetaInterface.TYPE_TIMESTAMP, -1, -1, "timestamp"), new JaninoMetaFunction("inetaddress", "(inetaddress==null)?null:java.net.InetAddress.getByAddress( new byte[]{ 127, 0, 0, 1} )", ValueMetaInterface.TYPE_INET, -1, -1, "inetaddress") };
    jm.setFormula(formulas);
    transMeta.addTransHop(new TransHopMeta(injectorStep, janinoStep));
    // 
    // 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(janinoStep, 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();
    for (RowMetaAndData rm : createInputList()) {
        rp.putRow(rm.getRowMeta(), rm.getData());
    }
    rp.finished();
    trans.waitUntilFinished();
    List<RowMetaAndData> checkList = createExpectedList();
    List<RowMetaAndData> resultRows = rc.getRowsWritten();
    checkRows(resultRows, checkList);
}