org.jetbrains.jet.util.slicedmap.SlicedMap Maven / Gradle / Ivy
/*
* Copyright 2010-2013 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 org.jetbrains.jet.util.slicedmap;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.Map;
public interface SlicedMap extends Iterable, ?>> {
SlicedMap DO_NOTHING = new SlicedMap() {
@Override
public V get(ReadOnlySlice slice, K key) {
return slice.computeValue(this, key, null, true);
}
@Override
public Collection getKeys(WritableSlice slice) {
return Collections.emptySet();
}
@Override
public Iterator, ?>> iterator() {
return Collections., ?>>emptySet().iterator();
}
};
V get(ReadOnlySlice slice, K key);
// slice.isCollective() must return true
Collection getKeys(WritableSlice slice);
}