Examples with SpongeException org.openksavi.sponge.SpongeException used on opensource projects

Example 16 with SpongeException

use of org.openksavi.sponge.SpongeException in project sponge by softelnet.

the class DefaultInteractiveMode method getScriptKnowledgeBaseInterpreter.

protected ScriptKnowledgeBaseInterpreter getScriptKnowledgeBaseInterpreter() {
    KnowledgeBase knowledgeBase = kbName != null ? engine.getKnowledgeBaseManager().getKnowledgeBase(kbName) : engine.getKnowledgeBaseManager().getMainKnowledgeBase();
    KnowledgeBaseInterpreter interpreter = knowledgeBase.getInterpreter();
    if (!(interpreter instanceof ScriptKnowledgeBaseInterpreter)) {
        throw new SpongeException("Knowledge base '" + kbName + "' is not script-based.");
    }
    return (ScriptKnowledgeBaseInterpreter) interpreter;
}

Example 17 with SpongeException

use of org.openksavi.sponge.SpongeException in project sponge by softelnet.

the class BaseKnowledgeBaseInterpreter method getCustomRuleEventSpec.

/**
 * Resolves event specification "<name> <alias> : <mode>". Uses default value when one not provided.
 *
 * @param eventSpecString event specification.
 * @return rule event specification, i.e. a triple of (name, alias, mode).
 */
protected RuleEventSpec getCustomRuleEventSpec(String eventSpecString) {
    if (eventSpecString == null) {
        throw new SpongeException("Event specification is null");
    }
    List<String> mainList = Arrays.stream(eventSpecString.split(":")).map(s -> s.trim()).filter(s -> !s.isEmpty()).collect(Collectors.toList());
    if (mainList.isEmpty()) {
        throw new SpongeException("Event specification is empty");
    } else if (mainList.size() > 2) {
        throw new SpongeException("Event specification has too many elements separated by ':'");
    }
    ImmutablePair<String, String> nameAlias = resolveEventNameAndAlias(mainList.get(0));
    EventMode eventMode = RuleAdapter.DEFAULT_MODE;
    if (mainList.size() == 2) {
        try {
            eventMode = EventMode.valueOf(mainList.get(1).toUpperCase());
        } catch (Exception e) {
            throw new SpongeException("Event mode is incorrect: " + mainList.get(1));
        }
    }
    return new GenericRuleEventSpec(nameAlias.getLeft(), nameAlias.getRight(), eventMode);
}

Example 18 with SpongeException

use of org.openksavi.sponge.SpongeException in project sponge by softelnet.

the class BaseKnowledgeBaseInterpreter method resolveEventNameAndAlias.

protected ImmutablePair<String, String> resolveEventNameAndAlias(String eventSpecString) {
    if (eventSpecString == null) {
        throw new SpongeException("Event specification is null");
    }
    if (eventSpecString.trim().length() < 1) {
        throw new SpongeException("Event specification is empty");
    }
    StringTokenizer st = new StringTokenizer(eventSpecString, " \t\n\r\f", false);
    String eventName = st.nextToken();
    String eventAlias = st.hasMoreTokens() ? st.nextToken() : eventName;
    return new ImmutablePair<>(eventName, eventAlias);
}

Example 19 with SpongeException

use of org.openksavi.sponge.SpongeException in project sponge by softelnet.

the class EngineScriptKnowledgeBaseInterpreter method resolveVariableName.

public String resolveVariableName(Object value) {
    Bindings bindings = getScriptEngine().getBindings(ScriptContext.ENGINE_SCOPE);
    Iterator<Entry<String, Object>> iterator = bindings.entrySet().stream().filter(entry -> entry.getValue() == value).iterator();
    if (!iterator.hasNext()) {
        throw new SpongeException("Variable for processor " + value + " not found.");
    }
    Map.Entry<String, Object> variableEntry = iterator.next();
    if (iterator.hasNext()) {
        throw new SpongeException("Multiple variables for processor " + value + " have been found.");
    }
    return variableEntry.getKey();
}

Example 20 with SpongeException

use of org.openksavi.sponge.SpongeException in project sponge by softelnet.

the class GroovyKnowledgeBaseInterpreter method doInvokeFunction.

protected Object doInvokeFunction(String name, boolean optional, Object defaultValue, Object[] args) {
    Object result = null;
    boolean invoked = false;
    for (Script script : scripts) {
        MetaMethod method = script.getMetaClass().getMetaMethod(name, args != null ? args : new Object[0]);
        if (method != null) {
            if (invoked) {
                // scripting languages.
                break;
            }
            result = script.invokeMethod(name, args);
            invoked = true;
        }
    }
    if (!invoked) {
        if (optional) {
            return defaultValue;
        } else {
            throw new SpongeException("Missing function '" + name + "'");
        }
    }
    return result;
}