Examples with RuleModelDRLPersistenceException org.drools.workbench.models.commons.backend.rule.exception.RuleModelDRLPersistenceException used on opensource projects

Example 1 with RuleModelDRLPersistenceException

use of org.drools.workbench.models.commons.backend.rule.exception.RuleModelDRLPersistenceException in project drools by kiegroup.

the class RuleModelDRLPersistenceImpl method parseRhs.

private void parseRhs(final RuleModel m, final String rhs, final boolean isJavaDialect, final Map<String, String> boundParams, final ExpandedDRLInfo expandedDRLInfo, final PackageDataModelOracle dmo, final Collection<RuleModelIActionPersistenceExtension> extensions) throws RuleModelDRLPersistenceException {
    PortableWorkDefinition pwd = null;
    Map<String, List<String>> setStatements = new HashMap<String, List<String>>();
    Map<String, Integer> setStatementsPosition = new HashMap<String, Integer>();
    Map<String, String> factsType = new HashMap<String, String>();
    String modifiedVariable = null;
    String modifiers = null;
    int lineCounter = -1;
    String[] lines = rhs.split("\n");
    for (String line : lines) {
        lineCounter++;
        line = line.trim();
        List<RuleModelIActionPersistenceExtension> matchingExtensions = getMatchingExtensionsForLine(line, extensions);
        if (matchingExtensions.isEmpty()) {
        // Continue with hardcoded parsers
        } else if (matchingExtensions.size() > 1) {
            throw new RuleModelDRLPersistenceException("Ambiguous RuleModelIActionPersistenceExtension implementations (" + matchingExtensions + ") found for line " + line);
        } else {
            unmarshalUsingExtension(m, matchingExtensions.get(0), line);
            continue;
        }
        if (expandedDRLInfo.hasDsl) {
            String dslLine = expandedDRLInfo.dslStatementsInRhs.get(lineCounter);
            while (dslLine != null) {
                List<RuleModelIActionPersistenceExtension> matchingExtensionsDslLine = getMatchingExtensionsForLine(dslLine, extensions);
                if (matchingExtensionsDslLine.isEmpty()) {
                    m.addRhsItem(toDSLSentence(expandedDRLInfo.rhsDslPatterns, dslLine));
                } else if (matchingExtensionsDslLine.size() > 1) {
                    throw new RuleModelDRLPersistenceException("Ambiguous RuleModelIActionPersistenceExtension implementations (" + matchingExtensionsDslLine + ") found for line " + line);
                } else {
                    unmarshalUsingExtension(m, matchingExtensionsDslLine.get(0), dslLine);
                }
                dslLine = expandedDRLInfo.dslStatementsInRhs.get(++lineCounter);
            }
        }
        if (modifiedVariable != null) {
            int modifyBlockEnd = line.lastIndexOf('}');
            if (modifiers == null) {
                modifiers = modifyBlockEnd > 0 ? line.substring(line.indexOf('{') + 1, modifyBlockEnd).trim() : line.substring(line.indexOf('{') + 1).trim();
            } else if (modifyBlockEnd != 0) {
                modifiers += modifyBlockEnd > 0 ? line.substring(0, modifyBlockEnd).trim() : line;
            }
            if (modifyBlockEnd >= 0) {
                ActionUpdateField action = new ActionUpdateField();
                action.setVariable(modifiedVariable);
                m.addRhsItem(action);
                addModifiersToAction(modifiers, action, modifiedVariable, boundParams, dmo, m, isJavaDialect);
                modifiedVariable = null;
                modifiers = null;
            }
        } else if (line.startsWith("insertLogical")) {
            String fact = unwrapParenthesis(line);
            String type = getStatementType(fact, factsType);
            if (type != null) {
                boundParams.put(fact, type);
                ActionInsertLogicalFact action = new ActionInsertLogicalFact(type);
                m.addRhsItem(action);
                if (factsType.containsKey(fact)) {
                    action.setBoundName(fact);
                    addSettersToAction(setStatements, fact, action, boundParams, dmo, m, isJavaDialect);
                }
            }
        } else if (line.startsWith("insert")) {
            String fact = unwrapParenthesis(line);
            String type = getStatementType(fact, factsType);
            if (type != null) {
                boundParams.put(fact, type);
                ActionInsertFact action = new ActionInsertFact(type);
                m.addRhsItem(action);
                if (factsType.containsKey(fact)) {
                    action.setBoundName(fact);
                    addSettersToAction(setStatements, fact, action, boundParams, dmo, m, isJavaDialect);
                }
            }
        } else if (line.startsWith("update")) {
            String variable = unwrapParenthesis(line);
            ActionUpdateField action = new ActionUpdateField();
            action.setVariable(variable);
            m.addRhsItem(action);
            addSettersToAction(setStatements, variable, action, boundParams, dmo, m, isJavaDialect);
        } else if (line.startsWith("modify")) {
            int modifyBlockEnd = line.lastIndexOf('}');
            if (modifyBlockEnd > 0) {
                String variable = line.substring(line.indexOf('(') + 1, line.indexOf(')')).trim();
                ActionUpdateField action = new ActionUpdateField();
                action.setVariable(variable);
                m.addRhsItem(action);
                addModifiersToAction(line.substring(line.indexOf('{') + 1, modifyBlockEnd).trim(), action, variable, boundParams, dmo, m, isJavaDialect);
            } else {
                modifiedVariable = line.substring(line.indexOf('(') + 1, line.indexOf(')')).trim();
                int modifyBlockStart = line.indexOf('{');
                if (modifyBlockStart > 0) {
                    modifiers = line.substring(modifyBlockStart + 1).trim();
                }
            }
        } else if (line.startsWith("retract") || line.startsWith("delete")) {
            String variable = unwrapParenthesis(line);
            m.addRhsItem(new ActionRetractFact(variable));
        } else if (line.startsWith("org.drools.core.process.instance.impl.WorkItemImpl wiWorkItem")) {
            ActionExecuteWorkItem awi = new ActionExecuteWorkItem();
            pwd = new PortableWorkDefinition();
            pwd.setName("WorkItem");
            awi.setWorkDefinition(pwd);
            m.addRhsItem(awi);
        } else if (line.startsWith("wiWorkItem.getParameters().put")) {
            String statement = line.substring("wiWorkItem.getParameters().put".length());
            statement = unwrapParenthesis(statement);
            int commaPos = statement.indexOf(',');
            String name = statement.substring(0, commaPos).trim();
            String value = statement.substring(commaPos + 1).trim();
            pwd.addParameter(buildPortableParameterDefinition(name, value, boundParams));
        } else if (line.startsWith("wim.internalExecuteWorkItem") || line.startsWith("wiWorkItem.setName")) {
        // ignore
        } else {
            int dotPos = line.indexOf('.');
            int argStart = line.indexOf('(');
            if (dotPos > 0 && argStart > dotPos) {
                String variable = line.substring(0, dotPos).trim();
                if (boundParams.containsKey(variable) || factsType.containsKey(variable) || expandedDRLInfo.hasGlobal(variable)) {
                    if (isJavaIdentifier(variable)) {
                        String methodName = line.substring(dotPos + 1, argStart).trim();
                        if (isJavaIdentifier(methodName)) {
                            if (getSettedField(m, methodName, boundParams.get(variable), dmo) != null) {
                                List<String> setters = setStatements.get(variable);
                                if (setters == null) {
                                    setters = new ArrayList<String>();
                                    setStatements.put(variable, setters);
                                }
                                if (!setStatementsPosition.containsKey(variable)) {
                                    setStatementsPosition.put(variable, lineCounter);
                                }
                                setters.add(line);
                            } else if (methodName.equals("add") && expandedDRLInfo.hasGlobal(variable)) {
                                String factName = line.substring(argStart + 1, line.lastIndexOf(')')).trim();
                                ActionGlobalCollectionAdd actionGlobalCollectionAdd = new ActionGlobalCollectionAdd();
                                actionGlobalCollectionAdd.setGlobalName(variable);
                                actionGlobalCollectionAdd.setFactName(factName);
                                m.addRhsItem(actionGlobalCollectionAdd);
                            } else {
                                m.addRhsItem(getActionCallMethod(m, isJavaDialect, boundParams, dmo, line, variable, methodName));
                            }
                            continue;
                        }
                    }
                }
            }
            int eqPos = line.indexOf('=');
            boolean addFreeFormLine = line.trim().length() > 0;
            if (eqPos > 0) {
                String field = line.substring(0, eqPos).trim();
                if ("java.text.SimpleDateFormat sdf".equals(field) || "org.drools.core.process.instance.WorkItemManager wim".equals(field)) {
                    addFreeFormLine = false;
                }
                String[] split = field.split(" ");
                if (split.length == 2) {
                    factsType.put(split[1], split[0]);
                    addFreeFormLine &= !isInsertedFact(lines, lineCounter, split[1]);
                }
            }
            if (addFreeFormLine) {
                FreeFormLine ffl = new FreeFormLine();
                ffl.setText(line);
                m.addRhsItem(ffl);
            }
        }
    }
    // variable they are modifying was recorded as Free Format DRL and hence the "sets" need to be Free Format DRL too.
    for (Map.Entry<String, List<String>> entry : setStatements.entrySet()) {
        if (boundParams.containsKey(entry.getKey())) {
            ActionSetField action = new ActionSetField(entry.getKey());
            addSettersToAction(entry.getValue(), action, entry.getKey(), boundParams, dmo, m, isJavaDialect);
            m.addRhsItem(action, setStatementsPosition.get(entry.getKey()));
        } else {
            FreeFormLine action = new FreeFormLine();
            StringBuilder sb = new StringBuilder();
            for (String setter : entry.getValue()) {
                sb.append(setter).append("\n");
            }
            action.setText(sb.toString());
            m.addRhsItem(action, setStatementsPosition.get(entry.getKey()));
        }
    }
    if (expandedDRLInfo.hasDsl) {
        String dslLine = expandedDRLInfo.dslStatementsInRhs.get(++lineCounter);
        while (dslLine != null) {
            m.addRhsItem(toDSLSentence(expandedDRLInfo.rhsDslPatterns, dslLine));
            dslLine = expandedDRLInfo.dslStatementsInRhs.get(++lineCounter);
        }
    }
}