Examples with Expression org.camunda.bpm.engine.delegate.Expression used on opensource projects

Example 51 with Expression

use of org.camunda.bpm.engine.delegate.Expression in project camunda-bpm-platform by camunda.

the class ItemHandler method initializeCaseControlRule.

protected CaseControlRule initializeCaseControlRule(ConditionExpression condition, CmmnHandlerContext context) {
    Expression expression = null;
    if (condition != null) {
        String rule = condition.getText();
        if (rule != null && !rule.isEmpty()) {
            ExpressionManager expressionManager = context.getExpressionManager();
            expression = expressionManager.createExpression(rule);
        }
    }
    return new CaseControlRuleImpl(expression);
}

Example 52 with Expression

use of org.camunda.bpm.engine.delegate.Expression in project camunda-bpm-platform by camunda.

the class ItemHandler method initializeVariableListener.

protected CaseVariableListener initializeVariableListener(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, CamundaVariableListener listener) {
    Collection<CamundaField> fields = listener.getCamundaFields();
    List<FieldDeclaration> fieldDeclarations = initializeFieldDeclarations(element, activity, context, fields);
    ExpressionManager expressionManager = context.getExpressionManager();
    String className = listener.getCamundaClass();
    String expression = listener.getCamundaExpression();
    String delegateExpression = listener.getCamundaDelegateExpression();
    CamundaScript scriptElement = listener.getCamundaScript();
    CaseVariableListener variableListener = null;
    if (className != null) {
        variableListener = new ClassDelegateCaseVariableListener(className, fieldDeclarations);
    } else if (expression != null) {
        Expression expressionExp = expressionManager.createExpression(expression);
        variableListener = new ExpressionCaseVariableListener(expressionExp);
    } else if (delegateExpression != null) {
        Expression delegateExp = expressionManager.createExpression(delegateExpression);
        variableListener = new DelegateExpressionCaseVariableListener(delegateExp, fieldDeclarations);
    } else if (scriptElement != null) {
        ExecutableScript executableScript = initializeScript(element, activity, context, scriptElement);
        if (executableScript != null) {
            variableListener = new ScriptCaseVariableListener(executableScript);
        }
    }
    return variableListener;
}

Example 53 with Expression

use of org.camunda.bpm.engine.delegate.Expression in project camunda-bpm-platform by camunda.

the class ItemHandler method initializeCaseExecutionListener.

protected CaseExecutionListener initializeCaseExecutionListener(CmmnElement element, CmmnActivity activity, CmmnHandlerContext context, CamundaCaseExecutionListener listener) {
    Collection<CamundaField> fields = listener.getCamundaFields();
    List<FieldDeclaration> fieldDeclarations = initializeFieldDeclarations(element, activity, context, fields);
    ExpressionManager expressionManager = context.getExpressionManager();
    CaseExecutionListener caseExecutionListener = null;
    String className = listener.getCamundaClass();
    String expression = listener.getCamundaExpression();
    String delegateExpression = listener.getCamundaDelegateExpression();
    CamundaScript scriptElement = listener.getCamundaScript();
    if (className != null) {
        caseExecutionListener = new ClassDelegateCaseExecutionListener(className, fieldDeclarations);
    } else if (expression != null) {
        Expression expressionExp = expressionManager.createExpression(expression);
        caseExecutionListener = new ExpressionCaseExecutionListener(expressionExp);
    } else if (delegateExpression != null) {
        Expression delegateExp = expressionManager.createExpression(delegateExpression);
        caseExecutionListener = new DelegateExpressionCaseExecutionListener(delegateExp, fieldDeclarations);
    } else if (scriptElement != null) {
        ExecutableScript executableScript = initializeScript(element, activity, context, scriptElement);
        if (executableScript != null) {
            caseExecutionListener = new ScriptCaseExecutionListener(executableScript);
        }
    }
    return caseExecutionListener;
}

Example 54 with Expression

use of org.camunda.bpm.engine.delegate.Expression in project camunda-bpm-platform by camunda.

the class HumanTaskItemHandler method initializeTaskDefinitionCandidateUsers.

protected void initializeTaskDefinitionCandidateUsers(CmmnElement element, TaskDefinition taskDefinition, CmmnHandlerContext context) {
    HumanTask definition = getDefinition(element);
    ExpressionManager expressionManager = context.getExpressionManager();
    List<String> candidateUsers = definition.getCamundaCandidateUsersList();
    for (String candidateUser : candidateUsers) {
        Expression candidateUserExpression = expressionManager.createExpression(candidateUser);
        taskDefinition.addCandidateUserIdExpression(candidateUserExpression);
    }
}

Example 55 with Expression

use of org.camunda.bpm.engine.delegate.Expression in project camunda-bpm-platform by camunda.

the class HumanTaskItemHandler method initializeTaskDefinitionCandidateGroups.

protected void initializeTaskDefinitionCandidateGroups(CmmnElement element, TaskDefinition taskDefinition, CmmnHandlerContext context) {
    HumanTask definition = getDefinition(element);
    ExpressionManager expressionManager = context.getExpressionManager();
    List<String> candidateGroups = definition.getCamundaCandidateGroupsList();
    for (String candidateGroup : candidateGroups) {
        Expression candidateGroupExpression = expressionManager.createExpression(candidateGroup);
        taskDefinition.addCandidateGroupIdExpression(candidateGroupExpression);
    }
}