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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.nashorn.internal.runtime.events;

import java.util.logging.Level;
import jdk.nashorn.internal.objects.NativeDebug;
import jdk.nashorn.internal.runtime.options.Options;

Class for representing a runtime event, giving less global dependencies than logger. Every NativeDebug object keeps a queue of RuntimeEvents that can be explored through the debug API. 
Type parameters:
<T> – class of the value this event wraps/**
 * Class for representing a runtime event, giving less global dependencies than logger.
 * Every {@link NativeDebug} object keeps a queue of RuntimeEvents that can be explored
 * through the debug API.
 *
 * @param <T> class of the value this event wraps
 */
public class RuntimeEvent<T> {
    
Queue size for the runtime event buffer /** Queue size for the runtime event buffer */
    public static final int RUNTIME_EVENT_QUEUE_SIZE = Options.getIntProperty("nashorn.runtime.event.queue.size", 1024);

    private final Level level;
    private final T value;

    
Constructor
Params:
level –  log level for runtime event to create
object – object to wrap/**
     * Constructor
     *
     * @param level  log level for runtime event to create
     * @param object object to wrap
     */
    public RuntimeEvent(final Level level, final T object) {
        this.level = level;
        this.value = object;
    }

    
Return the value wrapped in this runtime event
Returns:
value/**
     * Return the value wrapped in this runtime event
     * @return value
     */
    public final T getValue() {
        return value;
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder();

        sb.append('[').
            append(level).
            append("] ").
            append(value == null ? "null" : getValueClass().getSimpleName()).
            append(" value=").
            append(value);

        return sb.toString();
    }

    
Descriptor for this runtime event, must be overridden and
implemented, e.g. "RewriteException"
Returns:
event name/**
     * Descriptor for this runtime event, must be overridden and
     * implemented, e.g. "RewriteException"
     * @return event name
     */
    public final Class<?> getValueClass() {
        return value.getClass();
    }
}