Examples with MethodProcessor org.pentaho.di.ui.spoon.partition.processor.MethodProcessor used on opensource projects

Example 1 with MethodProcessor

use of org.pentaho.di.ui.spoon.partition.processor.MethodProcessor in project pentaho-kettle by pentaho.

the class Spoon method editPartitioning.

public void editPartitioning(TransMeta transMeta, StepMeta stepMeta) {
    String[] schemaNames;
    try {
        schemaNames = pickupPartitionSchemaNames(transMeta);
    } catch (KettleException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "Spoon.ErrorDialog.Title"), BaseMessages.getString(PKG, "Spoon.ErrorDialog.ErrorFetchingFromRepo.PartitioningSchemas"), e);
        return;
    }
    try {
        /*Check if Partition schema has already defined*/
        if (isDefinedSchemaExist(schemaNames)) {
            /*Prepare settings for Method selection*/
            PluginRegistry registry = PluginRegistry.getInstance();
            List<PluginInterface> plugins = registry.getPlugins(PartitionerPluginType.class);
            int exactSize = StepPartitioningMeta.methodDescriptions.length + plugins.size();
            PartitionSettings settings = new PartitionSettings(exactSize, transMeta, stepMeta, this);
            settings.fillOptionsAndCodesByPlugins(plugins);
            /*Method selection*/
            PartitionMethodSelector methodSelector = new PartitionMethodSelector();
            String partitionMethodDescription = methodSelector.askForPartitionMethod(shell, settings);
            if (!StringUtil.isEmpty(partitionMethodDescription)) {
                String method = settings.getMethodByMethodDescription(partitionMethodDescription);
                int methodType = StepPartitioningMeta.getMethodType(method);
                settings.updateMethodType(methodType);
                settings.updateMethod(method);
                /*Schema selection*/
                MethodProcessor methodProcessor = MethodProcessorFactory.create(methodType);
                methodProcessor.schemaSelection(settings, shell, delegates);
            }
            addUndoChange(settings.getTransMeta(), new StepMeta[] { settings.getBefore() }, new StepMeta[] { settings.getAfter() }, new int[] { settings.getTransMeta().indexOfStep(settings.getStepMeta()) });
            refreshGraph();
        }
    } catch (Exception e) {
        new ErrorDialog(shell, "Error", "There was an unexpected error while editing the partitioning method specifics:", e);
    }
}