use of org.pentaho.di.trans.steps.getvariable.GetVariableMeta in project pentaho-kettle by pentaho.
the class GetVariableDialog method preview.
// Preview the data
private void preview() {
try {
// Create the Access input step
GetVariableMeta oneMeta = new GetVariableMeta();
getInfo(oneMeta);
TransMeta previewMeta = TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, wStepname.getText());
// EnterNumberDialog numberDialog = new EnterNumberDialog(shell, props.getDefaultPreviewSize(),
// BaseMessages.getString(PKG, "GetVariableDialog.NumberRows.DialogTitle"), BaseMessages.getString(PKG,
// "GetVariableDialog.NumberRows.DialogMessage"));
// numberDialog.open();
int previewSize = 1;
if (previewSize > 0) {
TransPreviewProgressDialog progressDialog = new TransPreviewProgressDialog(shell, previewMeta, new String[] { wStepname.getText() }, new int[] { previewSize });
progressDialog.open();
if (!progressDialog.isCancelled()) {
Trans trans = progressDialog.getTrans();
String loggingText = progressDialog.getLoggingText();
if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
EnterTextDialog etd = new EnterTextDialog(shell, BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"), BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"), loggingText, true);
etd.setReadOnly();
etd.open();
}
PreviewRowsDialog prd = new PreviewRowsDialog(shell, transMeta, SWT.NONE, wStepname.getText(), progressDialog.getPreviewRowsMeta(wStepname.getText()), progressDialog.getPreviewRows(wStepname.getText()), loggingText);
prd.open();
}
}
} catch (KettleException e) {
new ErrorDialog(shell, BaseMessages.getString(PKG, "GetVariableDialog.ErrorPreviewingData.DialogTitle"), BaseMessages.getString(PKG, "GetVariableDialog.ErrorPreviewingData.DialogMessage"), e);
}
}
use of org.pentaho.di.trans.steps.getvariable.GetVariableMeta in project pentaho-kettle by pentaho.
the class ParameterSimpleTransIT method testParameterSimpleTrans2.
/**
* Test case for parameters using a simple transformation. Here 1 parameter is not provided as value, so the default
* will be used.
*
* @throws Exception
* exception on any problem.
*/
public void testParameterSimpleTrans2() throws Exception {
KettleEnvironment.init();
//
// Create a new transformation...
//
TransMeta transMeta = new TransMeta();
transMeta.setName("parameter_simple_trans2");
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", "default1", "Parameter 1");
trans.addParameterDefinition("PARAM2", "default2", "Parameter 2");
trans.setParameterValue("Param1", "ParamValue1");
// 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 = createResultData2();
List<RowMetaAndData> resultRows1 = endRc.getRowsWritten();
checkRows(resultRows1, goldenImageRows);
}
use of org.pentaho.di.trans.steps.getvariable.GetVariableMeta 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);
}
use of org.pentaho.di.trans.steps.getvariable.GetVariableMeta 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);
}
use of org.pentaho.di.trans.steps.getvariable.GetVariableMeta 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);
}
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