/*
* Copyright 2003-2012 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.
*/
package jetbrains.mps.smodel.structure;
import jetbrains.mps.smodel.language.ExtensionRegistry;
import jetbrains.mps.util.EqualUtil;
import jetbrains.mps.util.annotation.ToRemove;
public class ExtensionPoint<T> {
private final String myId;
@SuppressWarnings("unchecked")
public static <T> ExtensionPoint<T> generify(ExtensionPoint raw) {
return (ExtensionPoint<T>) raw;
}
public ExtensionPoint(String id) {
myId = id;
}
@Deprecated
@ToRemove(version = 3.3)
public ExtensionPoint(String id, Class<T> type) {
myId = id;
}
public Iterable<? extends Extension<T>> getExtensions() {
return ExtensionRegistry.getInstance().getExtensions(this);
}
public Iterable<T> getObjects() {
return ExtensionRegistry.getInstance().getObjects(this);
}
public String getId() {
return myId;
}
@Override
public boolean equals(Object obj) {
if (obj == null || obj.getClass() != ExtensionPoint.class) return false;
return EqualUtil.equals(((ExtensionPoint) obj).myId, myId);
}
@Override
public int hashCode() {
int h = 37;
h += myId != null ? myId.hashCode() * 17 : 53;
return h;
}
@Override
public String toString() {
return getId();
}
}