Class MetaClassImpl

src/main/java/groovy/lang/MetaClassImpl.java:124–4313

Allows methods to be dynamically added to existing classes at runtime @see groovy.lang.MetaClass

 * @see groovy.lang.MetaClass
 */
public class MetaClassImpl implements MetaClass, MutableMetaClass {

    /**
     * Shared empty argument array used by MOP dispatch helpers.
     */
    public static final Object[] EMPTY_ARGUMENTS = MetaClassHelper.EMPTY_ARRAY;

    /**
     * Synthetic method name used for static {@code methodMissing} dispatch.
     */
    protected static final String STATIC_METHOD_MISSING = "$static_methodMissing";
    /**
     * Synthetic method name used for static {@code propertyMissing} dispatch.
     */
    protected static final String STATIC_PROPERTY_MISSING = "$static_propertyMissing";
    /**
     * Conventional Groovy instance {@code methodMissing} hook name.
     */
    protected static final String METHOD_MISSING = "methodMissing";
    /**
     * Conventional Groovy instance {@code propertyMissing} hook name.
     */
    protected static final String PROPERTY_MISSING = "propertyMissing";
    /**
     * Conventional Groovy instance {@code invokeMethod} hook name.
     */
    protected static final String INVOKE_METHOD_METHOD = "invokeMethod";

    private static final String CALL_METHOD = "call";
    private static final String DO_CALL_METHOD = "doCall";
    private static final String CONSTRUCTOR_NAME = "<init>";
    private static final String GET_PROPERTY_METHOD = "getProperty";
    private static final String SET_PROPERTY_METHOD = "setProperty";

    private static final Class<?>[] GETTER_MISSING_ARGS = {String.class};
    private static final Class<?>[] SETTER_MISSING_ARGS = {String.class,Object.class};
    private static final Class<?>[] METHOD_MISSING_ARGS = {String.class,Object.class};
    private static final MetaMethod AMBIGUOUS_LISTENER_METHOD = new DummyMetaMethod();
    private static final Comparator<CachedClass> CACHED_CLASS_NAME_COMPARATOR = Comparator.comparing(CachedClass::getName);
    private static final boolean PERMISSIVE_PROPERTY_ACCESS = SystemUtil.getBooleanSafe("groovy.permissive.property.access");
    private static final VMPlugin VM_PLUGIN = VMPluginFactory.getPlugin();

    /**
     * Java class represented by this meta class.
     */
    protected final Class theClass;
    /**
     * Cached reflection view for {@link #theClass}.
     */
    protected final CachedClass theCachedClass;
    /**
     * Indicates whether {@link #theClass} implements {@link GroovyObject}.
     */
    protected final boolean isGroovyObject;
    /**
     * Indicates whether {@link #theClass} is assignable from {@link Map}.
     */
    protected final boolean isMap;