private boolean isDependencySatisfied()

in src/main/java/org/apache/nifi/components/ValidationContext.java [143:188]
35 lines of code
10 McCabe index (conditional complexity)

    private boolean isDependencySatisfied(final PropertyDescriptor propertyDescriptor, final Function<String, PropertyDescriptor> propertyDescriptorLookup, final Set<String> propertiesSeen) {
        final Set<PropertyDependency> dependencies = propertyDescriptor.getDependencies();
        if (dependencies.isEmpty()) {
            return true;
        }

        final boolean added = propertiesSeen.add(propertyDescriptor.getName());
        if (!added) {
            return false;
        }

        try {
            for (final PropertyDependency dependency : dependencies) {
                final String dependencyName = dependency.getPropertyName();

                // Check if the property being depended upon has its dependencies satisfied.
                final PropertyDescriptor dependencyDescriptor = propertyDescriptorLookup.apply(dependencyName);
                if (dependencyDescriptor == null) {
                    return false;
                }

                final PropertyValue propertyValue = getProperty(dependencyDescriptor);
                final String dependencyValue = propertyValue == null ? dependencyDescriptor.getDefaultValue() : propertyValue.getValue();
                if (dependencyValue == null) {
                    return false;
                }

                final boolean transitiveDependencySatisfied = isDependencySatisfied(dependencyDescriptor, propertyDescriptorLookup, propertiesSeen);
                if (!transitiveDependencySatisfied) {
                    return false;
                }

                // Check if the property being depended upon is set to one of the values that satisfies this dependency.
                // If the dependency has no dependent values, then any non-null value satisfies the dependency.
                // The value is already known to be non-null due to the check above.
                final Set<String> dependentValues = dependency.getDependentValues();
                if (dependentValues != null && !dependentValues.contains(dependencyValue)) {
                    return false;
                }
            }

            return true;
        } finally {
            propertiesSeen.remove(propertyDescriptor.getName());
        }
    }