Examples with IPattern org.drools.workbench.models.datamodel.rule.IPattern used on opensource projects

Example 36 with IPattern

use of org.drools.workbench.models.datamodel.rule.IPattern in project drools by kiegroup.

the class RuleModelDRLPersistenceImpl method marshalLHS.

/**
 * Marshal LHS patterns
 * @param buf
 * @param model
 */
protected void marshalLHS(final StringBuilder buf, final RuleModel model, final boolean isDSLEnhanced, final LHSGeneratorContextFactory generatorContextFactory) {
    String indentation = "\t\t";
    String nestedIndentation = indentation;
    boolean isNegated = model.isNegated();
    if (model.lhs != null) {
        if (isNegated) {
            nestedIndentation += "\t";
            buf.append(indentation);
            buf.append("not (\n");
        }
        LHSPatternVisitor visitor = getLHSPatternVisitor(isDSLEnhanced, buf, nestedIndentation, isNegated, generatorContextFactory);
        for (IPattern cond : model.lhs) {
            visitor.visit(cond);
        }
        if (model.isNegated()) {
            // Delete the spurious " and ", added by LHSPatternVisitor.visitFactPattern, when the rule is negated
            buf.delete(buf.length() - 5, buf.length());
            buf.append("\n");
            buf.append(indentation);
            buf.append(")\n");
        }
    }
}

Example 37 with IPattern

use of org.drools.workbench.models.datamodel.rule.IPattern in project drools by kiegroup.

the class GuidedDTDRLPersistence method doCondition.

private void doCondition(List<BaseColumn> allColumns, BRLConditionColumn column, List<IPattern> patterns, TemplateDataProvider rowDataProvider, List<DTCellValue52> row, RuleModel rm) {
    // Check whether the parameter-less BRL fragment needs inclusion
    if (!hasVariables(column)) {
        final BRLConditionVariableColumn variableColumn = column.getChildColumns().get(0);
        final int index = allColumns.indexOf(variableColumn);
        final DTCellValue52 dcv = row.get(index);
        if (dcv != null && dcv.getBooleanValue()) {
            for (IPattern pattern : column.getDefinition()) {
                patterns.add(pattern);
            }
        }
    } else {
        for (IPattern pattern : column.getDefinition()) {
            boolean addPattern = false;
            // Get interpolation variables used by the Pattern
            Map<InterpolationVariable, Integer> ivs = new HashMap<InterpolationVariable, Integer>();
            RuleModelVisitor rmv = new RuleModelVisitor(pattern, ivs);
            rmv.visit(pattern);
            if (ivs.size() == 0) {
                addPattern = true;
            } else if (ivs.size() > 0) {
                int templateKeyCount = 0;
                for (InterpolationVariable variable : ivs.keySet()) {
                    String value = rowDataProvider.getTemplateKeyValue(variable.getVarName());
                    if (!"".equals(value)) {
                        templateKeyCount++;
                    }
                }
                // Ensure at least one key has a value (FreeFormLines need all values to be provided)
                if (pattern instanceof FreeFormLine) {
                    addPattern = templateKeyCount == ivs.size();
                } else if (templateKeyCount > 0) {
                    addPattern = true;
                }
            }
            if (addPattern) {
                patterns.add(pattern);
            }
        }
    }
}

Example 38 with IPattern

use of org.drools.workbench.models.datamodel.rule.IPattern in project drools by kiegroup.

the class GuidedDTDRLPersistence method hasVariables.

private boolean hasVariables(BRLConditionColumn column) {
    Map<InterpolationVariable, Integer> ivs = new HashMap<InterpolationVariable, Integer>();
    RuleModel rm = new RuleModel();
    for (IPattern pattern : column.getDefinition()) {
        rm.addLhsItem(pattern);
    }
    RuleModelVisitor rmv = new RuleModelVisitor(ivs);
    rmv.visit(rm);
    return ivs.size() > 0;
}

Example 39 with IPattern

use of org.drools.workbench.models.datamodel.rule.IPattern in project drools by kiegroup.

the class GuidedDTDRLPersistenceTest method testLHSWithBRLColumn_ParseToRuleModel.

@Test
public // This test checks a Decision Table involving BRL columns is correctly converted into a RuleModel
void testLHSWithBRLColumn_ParseToRuleModel() {
    GuidedDecisionTable52 dtable = new GuidedDecisionTable52();
    GuidedDTDRLPersistence p = new GuidedDTDRLPersistence();
    // All 3 rows should render, as the code is now lower down for skipping columns with empty cells
    String[][] data = new String[][] { new String[] { "1", "desc", "Gargamel", "Pupa", "50" }, new String[] { "2", "desc", "Gargamel", "", "50" }, new String[] { "3", "desc", "Gargamel", "Pupa", "" } };
    // Simple (mandatory) columns
    dtable.setRowNumberCol(new RowNumberCol52());
    dtable.setDescriptionCol(new DescriptionCol52());
    // Simple Condition
    Pattern52 p1 = new Pattern52();
    p1.setFactType("Baddie");
    ConditionCol52 con = new ConditionCol52();
    con.setConstraintValueType(BaseSingleFieldConstraint.TYPE_LITERAL);
    con.setFactField("name");
    con.setOperator("==");
    p1.getChildColumns().add(con);
    dtable.getConditions().add(p1);
    // BRL Column
    BRLConditionColumn brl1 = new BRLConditionColumn();
    // BRL Column definition
    List<IPattern> brl1Definition = new ArrayList<IPattern>();
    FactPattern brl1DefinitionFactPattern1 = new FactPattern("Smurf");
    SingleFieldConstraint brl1DefinitionFactPattern1Constraint1 = new SingleFieldConstraint();
    brl1DefinitionFactPattern1Constraint1.setFieldType(DataType.TYPE_STRING);
    brl1DefinitionFactPattern1Constraint1.setConstraintValueType(SingleFieldConstraint.TYPE_TEMPLATE);
    brl1DefinitionFactPattern1Constraint1.setFieldName("name");
    brl1DefinitionFactPattern1Constraint1.setOperator("==");
    brl1DefinitionFactPattern1Constraint1.setValue("$name");
    brl1DefinitionFactPattern1.addConstraint(brl1DefinitionFactPattern1Constraint1);
    SingleFieldConstraint brl1DefinitionFactPattern1Constraint2 = new SingleFieldConstraint();
    brl1DefinitionFactPattern1Constraint2.setFieldType(DataType.TYPE_NUMERIC_INTEGER);
    brl1DefinitionFactPattern1Constraint2.setConstraintValueType(SingleFieldConstraint.TYPE_TEMPLATE);
    brl1DefinitionFactPattern1Constraint2.setFieldName("age");
    brl1DefinitionFactPattern1Constraint2.setOperator("==");
    brl1DefinitionFactPattern1Constraint2.setValue("$age");
    brl1DefinitionFactPattern1.addConstraint(brl1DefinitionFactPattern1Constraint2);
    brl1Definition.add(brl1DefinitionFactPattern1);
    brl1.setDefinition(brl1Definition);
    // Setup BRL column bindings
    BRLConditionVariableColumn brl1Variable1 = new BRLConditionVariableColumn("$name", DataType.TYPE_STRING, "Person", "name");
    brl1.getChildColumns().add(brl1Variable1);
    BRLConditionVariableColumn brl1Variable2 = new BRLConditionVariableColumn("$age", DataType.TYPE_NUMERIC_INTEGER, "Person", "age");
    brl1.getChildColumns().add(brl1Variable2);
    dtable.getConditions().add(brl1);
    // Now to test conversion
    RuleModel rm = new RuleModel();
    List<BaseColumn> allColumns = dtable.getExpandedColumns();
    List<CompositeColumn<? extends BaseColumn>> allPatterns = dtable.getConditions();
    List<List<DTCellValue52>> dtData = DataUtilities.makeDataLists(data);
    // Row 0
    List<DTCellValue52> dtRowData0 = DataUtilities.makeDataRowList(data[0]);
    TemplateDataProvider rowDataProvider0 = new GuidedDTTemplateDataProvider(allColumns, dtRowData0);
    p.doConditions(allColumns, allPatterns, rowDataProvider0, dtRowData0, dtData, rm);
    assertEquals(2, rm.lhs.length);
    assertEquals("Baddie", ((FactPattern) rm.lhs[0]).getFactType());
    assertEquals("Smurf", ((FactPattern) rm.lhs[1]).getFactType());
    // examine the first pattern
    FactPattern result0Fp1 = (FactPattern) rm.lhs[0];
    assertEquals(1, result0Fp1.getConstraintList().getConstraints().length);
    SingleFieldConstraint result0Fp1Con1 = (SingleFieldConstraint) result0Fp1.getConstraint(0);
    assertEquals(BaseSingleFieldConstraint.TYPE_LITERAL, result0Fp1Con1.getConstraintValueType());
    assertEquals("name", result0Fp1Con1.getFieldName());
    assertEquals("==", result0Fp1Con1.getOperator());
    assertEquals("Gargamel", result0Fp1Con1.getValue());
    // examine the second pattern
    FactPattern result0Fp2 = (FactPattern) rm.lhs[1];
    assertEquals(2, result0Fp2.getConstraintList().getConstraints().length);
    SingleFieldConstraint result0Fp2Con1 = (SingleFieldConstraint) result0Fp2.getConstraint(0);
    assertEquals(BaseSingleFieldConstraint.TYPE_TEMPLATE, result0Fp2Con1.getConstraintValueType());
    assertEquals("name", result0Fp2Con1.getFieldName());
    assertEquals("==", result0Fp2Con1.getOperator());
    assertEquals("$name", result0Fp2Con1.getValue());
    SingleFieldConstraint result0Fp2Con2 = (SingleFieldConstraint) result0Fp2.getConstraint(1);
    assertEquals(BaseSingleFieldConstraint.TYPE_TEMPLATE, result0Fp2Con2.getConstraintValueType());
    assertEquals("age", result0Fp2Con2.getFieldName());
    assertEquals("==", result0Fp2Con2.getOperator());
    assertEquals("$age", result0Fp2Con2.getValue());
    // Row 1
    List<DTCellValue52> dtRowData1 = DataUtilities.makeDataRowList(data[1]);
    TemplateDataProvider rowDataProvider1 = new GuidedDTTemplateDataProvider(allColumns, dtRowData1);
    p.doConditions(allColumns, allPatterns, rowDataProvider1, dtRowData1, dtData, rm);
    assertEquals(2, rm.lhs.length);
    assertEquals("Baddie", ((FactPattern) rm.lhs[0]).getFactType());
    // examine the first pattern
    FactPattern result1Fp1 = (FactPattern) rm.lhs[0];
    assertEquals(1, result1Fp1.getConstraintList().getConstraints().length);
    SingleFieldConstraint result1Fp1Con1 = (SingleFieldConstraint) result1Fp1.getConstraint(0);
    assertEquals(BaseSingleFieldConstraint.TYPE_LITERAL, result1Fp1Con1.getConstraintValueType());
    assertEquals("name", result1Fp1Con1.getFieldName());
    assertEquals("==", result1Fp1Con1.getOperator());
    assertEquals("Gargamel", result1Fp1Con1.getValue());
    // examine the second pattern
    FactPattern result1Fp2 = (FactPattern) rm.lhs[1];
    assertEquals(2, result1Fp2.getConstraintList().getConstraints().length);
    SingleFieldConstraint result1Fp2Con1 = (SingleFieldConstraint) result1Fp2.getConstraint(0);
    assertEquals(BaseSingleFieldConstraint.TYPE_TEMPLATE, result1Fp2Con1.getConstraintValueType());
    assertEquals("name", result1Fp2Con1.getFieldName());
    assertEquals("==", result1Fp2Con1.getOperator());
    assertEquals("$name", result1Fp2Con1.getValue());
    SingleFieldConstraint result1Fp2Con2 = (SingleFieldConstraint) result1Fp2.getConstraint(1);
    assertEquals(BaseSingleFieldConstraint.TYPE_TEMPLATE, result1Fp2Con2.getConstraintValueType());
    assertEquals("age", result1Fp2Con2.getFieldName());
    assertEquals("==", result1Fp2Con2.getOperator());
    assertEquals("$age", result1Fp2Con2.getValue());
    // Row 2
    List<DTCellValue52> dtRowData2 = DataUtilities.makeDataRowList(data[2]);
    TemplateDataProvider rowDataProvider2 = new GuidedDTTemplateDataProvider(allColumns, dtRowData2);
    p.doConditions(allColumns, allPatterns, rowDataProvider2, dtRowData2, dtData, rm);
    assertEquals(2, rm.lhs.length);
    assertEquals("Baddie", ((FactPattern) rm.lhs[0]).getFactType());
    // examine the first pattern
    FactPattern result2Fp1 = (FactPattern) rm.lhs[0];
    assertEquals(1, result2Fp1.getConstraintList().getConstraints().length);
    SingleFieldConstraint result2Fp1Con1 = (SingleFieldConstraint) result2Fp1.getConstraint(0);
    assertEquals(BaseSingleFieldConstraint.TYPE_LITERAL, result2Fp1Con1.getConstraintValueType());
    assertEquals("name", result2Fp1Con1.getFieldName());
    assertEquals("==", result2Fp1Con1.getOperator());
    assertEquals("Gargamel", result2Fp1Con1.getValue());
    // examine the second pattern
    FactPattern result2Fp2 = (FactPattern) rm.lhs[1];
    assertEquals(2, result2Fp2.getConstraintList().getConstraints().length);
    SingleFieldConstraint result2Fp2Con1 = (SingleFieldConstraint) result2Fp2.getConstraint(0);
    assertEquals(BaseSingleFieldConstraint.TYPE_TEMPLATE, result2Fp2Con1.getConstraintValueType());
    assertEquals("name", result2Fp2Con1.getFieldName());
    assertEquals("==", result2Fp2Con1.getOperator());
    assertEquals("$name", result2Fp2Con1.getValue());
    SingleFieldConstraint result2Fp2Con2 = (SingleFieldConstraint) result2Fp2.getConstraint(1);
    assertEquals(BaseSingleFieldConstraint.TYPE_TEMPLATE, result2Fp2Con2.getConstraintValueType());
    assertEquals("age", result2Fp2Con2.getFieldName());
    assertEquals("==", result2Fp2Con2.getOperator());
    assertEquals("$age", result2Fp2Con2.getValue());
}

Example 40 with IPattern

use of org.drools.workbench.models.datamodel.rule.IPattern in project drools by kiegroup.

the class GuidedDTDRLPersistenceTest method testLHSWithBRLColumn_ParseToDRL_MultiplePatterns.

@Test
public // This test checks a Decision Table involving BRL columns is correctly converted into DRL
void testLHSWithBRLColumn_ParseToDRL_MultiplePatterns() {
    GuidedDecisionTable52 dtable = new GuidedDecisionTable52();
    // All 3 rows should render, as the code is now lower down for skipping columns with empty cells
    String[][] data = new String[][] { new String[] { "1", "desc", "Pupa", "50" }, new String[] { "2", "desc", "", "50" }, new String[] { "3", "desc", "Pupa", "" } };
    // Simple (mandatory) columns
    dtable.setRowNumberCol(new RowNumberCol52());
    dtable.setDescriptionCol(new DescriptionCol52());
    // BRL Column
    BRLConditionColumn brl1 = new BRLConditionColumn();
    // BRL Column definition
    List<IPattern> brl1Definition = new ArrayList<IPattern>();
    FactPattern brl1DefinitionFactPattern1 = new FactPattern("Baddie");
    SingleFieldConstraint brl1DefinitionFactPattern1Constraint1 = new SingleFieldConstraint();
    brl1DefinitionFactPattern1Constraint1.setFieldType(DataType.TYPE_STRING);
    brl1DefinitionFactPattern1Constraint1.setConstraintValueType(SingleFieldConstraint.TYPE_LITERAL);
    brl1DefinitionFactPattern1Constraint1.setFieldName("name");
    brl1DefinitionFactPattern1Constraint1.setOperator("==");
    brl1DefinitionFactPattern1Constraint1.setValue("Gargamel");
    brl1DefinitionFactPattern1.addConstraint(brl1DefinitionFactPattern1Constraint1);
    brl1Definition.add(brl1DefinitionFactPattern1);
    FactPattern brl1DefinitionFactPattern2 = new FactPattern("Smurf");
    SingleFieldConstraint brl1DefinitionFactPattern2Constraint1 = new SingleFieldConstraint();
    brl1DefinitionFactPattern2Constraint1.setFieldType(DataType.TYPE_STRING);
    brl1DefinitionFactPattern2Constraint1.setConstraintValueType(SingleFieldConstraint.TYPE_TEMPLATE);
    brl1DefinitionFactPattern2Constraint1.setFieldName("name");
    brl1DefinitionFactPattern2Constraint1.setOperator("==");
    brl1DefinitionFactPattern2Constraint1.setValue("$name");
    brl1DefinitionFactPattern2.addConstraint(brl1DefinitionFactPattern2Constraint1);
    SingleFieldConstraint brl1DefinitionFactPattern2Constraint2 = new SingleFieldConstraint();
    brl1DefinitionFactPattern2Constraint2.setFieldType(DataType.TYPE_NUMERIC_INTEGER);
    brl1DefinitionFactPattern2Constraint2.setConstraintValueType(SingleFieldConstraint.TYPE_TEMPLATE);
    brl1DefinitionFactPattern2Constraint2.setFieldName("age");
    brl1DefinitionFactPattern2Constraint2.setOperator("==");
    brl1DefinitionFactPattern2Constraint2.setValue("$age");
    brl1DefinitionFactPattern2.addConstraint(brl1DefinitionFactPattern2Constraint2);
    brl1Definition.add(brl1DefinitionFactPattern2);
    brl1.setDefinition(brl1Definition);
    // Setup BRL column bindings
    BRLConditionVariableColumn brl1Variable1 = new BRLConditionVariableColumn("$name", DataType.TYPE_STRING, "Person", "name");
    brl1.getChildColumns().add(brl1Variable1);
    BRLConditionVariableColumn brl1Variable2 = new BRLConditionVariableColumn("$age", DataType.TYPE_NUMERIC_INTEGER, "Person", "age");
    brl1.getChildColumns().add(brl1Variable2);
    dtable.getConditions().add(brl1);
    dtable.setData(DataUtilities.makeDataLists(data));
    // Now to test conversion
    int ruleStartIndex;
    int pattern1StartIndex;
    int pattern2StartIndex;
    GuidedDTDRLPersistence p = GuidedDTDRLPersistence.getInstance();
    String drl = p.marshal(dtable);
    System.out.println(drl);
    // Row 0
    ruleStartIndex = drl.indexOf("//from row number: 1");
    assertFalse(ruleStartIndex == -1);
    pattern1StartIndex = drl.indexOf("Baddie( name == \"Gargamel\" )", ruleStartIndex);
    assertFalse(pattern1StartIndex == -1);
    pattern2StartIndex = drl.indexOf("Smurf( name == \"Pupa\" , age == 50 )", ruleStartIndex);
    assertFalse(pattern2StartIndex == -1);
    // Row 1
    ruleStartIndex = drl.indexOf("//from row number: 2");
    assertFalse(ruleStartIndex == -1);
    pattern1StartIndex = drl.indexOf("Baddie( name == \"Gargamel\" )", ruleStartIndex);
    assertFalse(pattern1StartIndex == -1);
    pattern2StartIndex = drl.indexOf("Smurf( age == 50 )", ruleStartIndex);
    assertFalse(pattern2StartIndex == -1);
    // Row 2
    ruleStartIndex = drl.indexOf("//from row number: 3");
    assertFalse(ruleStartIndex == -1);
    pattern1StartIndex = drl.indexOf("Baddie( name == \"Gargamel\" )", ruleStartIndex);
    assertFalse(pattern1StartIndex == -1);
    pattern2StartIndex = drl.indexOf("Smurf( name == \"Pupa\" )", ruleStartIndex);
    assertFalse(pattern2StartIndex == -1);
}