package jetbrains.mps.core.aspects.behaviour.api;/*
* Copyright 2003-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Represents a type abstraction in MPS.
*/
public interface SAbstractType {
/**
* every type must define its own default value
* @return the default value
*/
@Nullable Object getDefaultValue();
/**
* @param another -- another type
* @return true iff objects of the type could be assigned to object of this type
*
* @see java.lang.Class#isAssignableFrom(Class)
*/
boolean isAssignableFrom(@NotNull SAbstractType another);
}