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

Example 6 with ExpressionVariable

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

the class RuleModelDRLPersistenceUnmarshallingTest method testCollectWithFreeFormDRL_MethodsDefined.

@Test
public void testCollectWithFreeFormDRL_MethodsDefined() throws Exception {
    // https://bugzilla.redhat.com/show_bug.cgi?id=1060816
    String drl = "package org.sample.resourceassignment;\n" + "rule \"r1\"\n" + "dialect \"mvel\"\n" + "when\n" + "$trans : Transactions()\n" + "$transactions : java.util.List( eval( size > 0 ) ) from collect ( Transaction() from $trans.getRecCategorization().get(\"APES-01\") )\n" + "then\n" + "end";
    addModelField("Transactions", "recCategorization", "java.util.Map", DataType.TYPE_COLLECTION);
    addMethodInformation("Transactions", "getRecCategorization()", Collections.emptyList(), "java.util.Map", null, DataType.TYPE_COLLECTION);
    addMethodInformation("java.util.Map", "get", new ArrayList<String>() {

        {
            add("p0");
        }
    }, "java.lang.String", null, DataType.TYPE_STRING);
    final RuleModel m = RuleModelDRLPersistenceImpl.getInstance().unmarshal(drl, Collections.emptyList(), dmo);
    assertNotNull(m);
    assertEquals(2, m.lhs.length);
    IPattern p0 = m.lhs[0];
    assertTrue(p0 instanceof FactPattern);
    FactPattern fp0 = (FactPattern) p0;
    assertEquals("Transactions", fp0.getFactType());
    assertEquals("$trans", fp0.getBoundName());
    assertEquals(0, fp0.getNumberOfConstraints());
    IPattern p1 = m.lhs[1];
    assertTrue(p1 instanceof FromCollectCompositeFactPattern);
    FromCollectCompositeFactPattern fp1 = (FromCollectCompositeFactPattern) p1;
    assertEquals("java.util.List", fp1.getFactPattern().getFactType());
    assertEquals("$transactions", fp1.getFactPattern().getBoundName());
    assertEquals(1, fp1.getFactPattern().getNumberOfConstraints());
    assertTrue(fp1.getFactPattern().getConstraint(0) instanceof SingleFieldConstraint);
    SingleFieldConstraint fp1sfc = (SingleFieldConstraint) fp1.getFactPattern().getConstraint(0);
    assertEquals("size > 0", fp1sfc.getValue());
    assertEquals(BaseSingleFieldConstraint.TYPE_PREDICATE, fp1sfc.getConstraintValueType());
    assertTrue(fp1.getRightPattern() instanceof FromCompositeFactPattern);
    FromCompositeFactPattern fp2 = (FromCompositeFactPattern) fp1.getRightPattern();
    assertNotNull(fp2.getFactPattern());
    FactPattern fp3 = fp2.getFactPattern();
    assertEquals("Transaction", fp3.getFactType());
    assertEquals(0, fp3.getNumberOfConstraints());
    assertNotNull(fp2.getExpression());
    ExpressionFormLine efl = fp2.getExpression();
    assertEquals(3, efl.getParts().size());
    assertTrue(efl.getParts().get(0) instanceof ExpressionVariable);
    ExpressionVariable ev = (ExpressionVariable) efl.getParts().get(0);
    assertEquals("$trans", ev.getName());
    assertEquals("Transactions", ev.getClassType());
    assertTrue(efl.getParts().get(1) instanceof ExpressionMethod);
    ExpressionMethod em = (ExpressionMethod) efl.getParts().get(1);
    assertEquals("getRecCategorization()", em.getName());
    assertEquals("java.util.Map", em.getClassType());
    assertEquals(DataType.TYPE_COLLECTION, em.getGenericType());
    assertTrue(efl.getParts().get(2) instanceof ExpressionText);
    ExpressionText et = (ExpressionText) efl.getParts().get(2);
    assertEquals("get(\"APES-01\")", et.getName());
    assertEquals("java.lang.String", et.getClassType());
    assertEquals(DataType.TYPE_STRING, et.getGenericType());
    assertEquals(0, m.rhs.length);
}

Example 7 with ExpressionVariable

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

the class RuleModelDRLPersistenceImpl method parsePatternSource.

private IFactPattern parsePatternSource(final RuleModel m, final PatternDescr pattern, final PatternSourceDescr patternSource, final boolean isJavaDialect, final Map<String, String> boundParams, final PackageDataModelOracle dmo) {
    if (pattern.getIdentifier() != null) {
        boundParams.put(pattern.getIdentifier(), pattern.getObjectType());
    }
    if (patternSource instanceof AccumulateDescr) {
        AccumulateDescr accumulate = (AccumulateDescr) patternSource;
        FromAccumulateCompositeFactPattern fac = new FromAccumulateCompositeFactPattern();
        fac.setSourcePattern(parseBaseDescr(m, accumulate.getInput(), isJavaDialect, boundParams, dmo));
        fac.setInitCode(accumulate.getInitCode());
        fac.setActionCode(accumulate.getActionCode());
        fac.setReverseCode(accumulate.getReverseCode());
        fac.setResultCode(accumulate.getResultCode());
        FactPattern factPattern = new FactPattern(pattern.getObjectType());
        factPattern.setBoundName(pattern.getIdentifier());
        parseConstraint(m, factPattern, pattern.getConstraint(), isJavaDialect, boundParams, dmo);
        fac.setFactPattern(factPattern);
        for (AccumulateDescr.AccumulateFunctionCallDescr func : accumulate.getFunctions()) {
            String funcName = func.getFunction();
            boolean first = true;
            StringBuilder sb = new StringBuilder();
            for (String param : func.getParams()) {
                if (first) {
                    first = false;
                } else {
                    sb.append(", ");
                }
                sb.append(param);
            }
            fac.setFunction(funcName + "(" + sb + ")");
            break;
        }
        return fac;
    } else if (patternSource instanceof CollectDescr) {
        CollectDescr collect = (CollectDescr) patternSource;
        FromCollectCompositeFactPattern fac = new FromCollectCompositeFactPattern();
        fac.setRightPattern(parseBaseDescr(m, collect.getInputPattern(), isJavaDialect, boundParams, dmo));
        fac.setFactPattern(getFactPattern(m, pattern, isJavaDialect, boundParams, dmo));
        return fac;
    } else if (patternSource instanceof EntryPointDescr) {
        EntryPointDescr entryPoint = (EntryPointDescr) patternSource;
        FromEntryPointFactPattern fep = new FromEntryPointFactPattern();
        fep.setEntryPointName(entryPoint.getText());
        fep.setFactPattern(getFactPattern(m, pattern, isJavaDialect, boundParams, dmo));
        return fep;
    } else if (patternSource instanceof FromDescr) {
        FromDescr from = (FromDescr) patternSource;
        FromCompositeFactPattern fcfp = new FromCompositeFactPattern();
        FactPattern factPattern = new FactPattern(pattern.getObjectType());
        factPattern.setBoundName(pattern.getIdentifier());
        parseConstraint(m, factPattern, pattern.getConstraint(), isJavaDialect, boundParams, dmo);
        fcfp.setFactPattern(factPattern);
        ExpressionFormLine expression = new ExpressionFormLine();
        fcfp.setExpression(expression);
        String dataSource = from.getDataSource().toString();
        String[] splitSource = dataSource.split("\\.");
        ModelField[] fields = null;
        for (int i = 0; i < splitSource.length; i++) {
            String sourcePart = splitSource[i];
            if (i == 0) {
                String type = boundParams.get(sourcePart);
                expression.appendPart(new ExpressionVariable(sourcePart, type, DataType.TYPE_NUMERIC));
                fields = findFields(m, dmo, type);
            } else {
                ModelField modelField = null;
                if (fields != null) {
                    for (ModelField field : fields) {
                        if (field.getName().equals(sourcePart)) {
                            modelField = field;
                            break;
                        }
                    }
                }
                if (modelField == null) {
                    final String previousClassName = expression.getClassType();
                    final List<MethodInfo> mis = dmo.getModuleMethodInformation().get(previousClassName);
                    boolean isMethod = false;
                    if (mis != null) {
                        for (MethodInfo mi : mis) {
                            if (mi.getName().equals(sourcePart)) {
                                expression.appendPart(new ExpressionMethod(mi.getName(), mi.getReturnClassType(), mi.getGenericType(), mi.getParametricReturnType()));
                                isMethod = true;
                                break;
                            }
                        }
                    }
                    if (isMethod == false) {
                        expression.appendPart(new ExpressionText(sourcePart));
                    }
                } else {
                    expression.appendPart(new ExpressionField(sourcePart, modelField.getClassName(), modelField.getType()));
                    fields = findFields(m, dmo, modelField.getClassName());
                }
            }
        }
        return fcfp;
    }
    throw new RuntimeException("Unknown pattern source " + patternSource);
}

Example 8 with ExpressionVariable

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

the class RuleModelDRLPersistenceTest method testCompositeFactPatternWithFrom.

@Test
public void testCompositeFactPatternWithFrom() {
    final RuleModel m = new RuleModel();
    m.name = "model";
    final FactPattern fp1 = new FactPattern("Data");
    fp1.setBoundName("$d");
    m.addLhsItem(fp1);
    final FactPattern fp2 = new FactPattern("Person");
    final FromCompositeFactPattern ffp1 = new FromCompositeFactPattern();
    ffp1.setExpression(new ExpressionFormLine(new ExpressionVariable(fp1.getBoundName(), fp1.getFactType())));
    ffp1.setFactPattern(fp2);
    m.addLhsItem(ffp1);
    final String actual = RuleModelDRLPersistenceImpl.getInstance().marshal(m);
    final String expected = "rule \"model\"\n" + "dialect \"mvel\"\n" + "when\n" + "$d : Data( )\n" + "(Person( ) from $d)\n" + "\n" + "then\n" + "end\n";
    assertEqualsIgnoreWhitespace(expected, actual);
}

Example 9 with ExpressionVariable

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

the class RuleModelDRLPersistenceTest method testCompositeFactPatternWithFromWithDSL.

@Test
public void testCompositeFactPatternWithFromWithDSL() {
    final RuleModel m = new RuleModel();
    m.name = "model";
    final DSLSentence sen = new DSLSentence();
    sen.setDefinition("A DSL phrase");
    m.addLhsItem(sen);
    final FactPattern fp1 = new FactPattern("Data");
    fp1.setBoundName("$d");
    m.addLhsItem(fp1);
    final CompositeFactPattern cp = new CompositeFactPattern(CompositeFactPattern.COMPOSITE_TYPE_NOT);
    final FactPattern fp2 = new FactPattern("Person");
    final FromCompositeFactPattern ffp1 = new FromCompositeFactPattern();
    ffp1.setExpression(new ExpressionFormLine(new ExpressionVariable(fp1.getBoundName(), fp1.getFactType())));
    ffp1.setFactPattern(fp2);
    cp.addFactPattern(ffp1);
    m.addLhsItem(cp);
    final String actual = RuleModelDRLPersistenceImpl.getInstance().marshal(m);
    final String expected = "rule \"model\"\n" + "dialect \"mvel\"\n" + "when\n" + "A DSL phrase\n" + ">$d : Data( )\n" + ">not ( Person( ) from $d\n" + ")\n" + "then\n" + "end\n";
    assertEqualsIgnoreWhitespace(expected, actual);
}

Example 10 with ExpressionVariable

use of org.drools.workbench.models.datamodel.rule.ExpressionVariable in project drools-wb by kiegroup.

the class ExpressionBuilder method onStartPointChange.

private void onStartPointChange(final String value) {
    setModified(true);
    panel.clear();
    final int dotPos = value.indexOf('.');
    final String prefix = value.substring(0, dotPos);
    final String attrib = value.substring(dotPos + 1);
    if (prefix.equals(VARIABLE_VALUE_PREFIX)) {
        FactPattern fact = getRuleModel().getLHSBoundFact(attrib);
        ExpressionPart variable;
        if (fact != null) {
            variable = new ExpressionVariable(fact.getBoundName(), fact.getFactType());
        } else {
            // if the variable is not bound to a Fact Pattern then it must be bound to a Field
            String lhsBindingType = getRuleModel().getLHSBindingType(attrib);
            variable = new ExpressionFieldVariable(attrib, lhsBindingType);
        }
        expression.appendPart(variable);
        onStartPointChangeUpdateWidget();
    } else if (prefix.equals(GLOBAL_VARIABLE_VALUE_PREFIX)) {
        ExpressionPartHelper.getExpressionPartForGlobalVariable(getDataModelOracle(), attrib, new Callback<ExpressionPart>() {

            @Override
            public void callback(final ExpressionPart part) {
                expression.appendPart(part);
                onStartPointChangeUpdateWidget();
            }
        });
    }
}