/*
* Copyright 2013, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jf.dexlib2.writer.builder;
import javax.annotation.Nonnull;
import java.util.AbstractCollection;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
public abstract class BuilderMapEntryCollection<Key> extends AbstractCollection<Map.Entry<Key, Integer>> {
@Nonnull private final Collection<Key> keys;
public BuilderMapEntryCollection(@Nonnull Collection<Key> keys) {
this.keys = keys;
}
private class MapEntry implements Map.Entry<Key, Integer> {
@Nonnull private Key key;
@Nonnull @Override public Key getKey() {
return key;
}
@Override public Integer getValue() {
return BuilderMapEntryCollection.this.getValue(key);
}
@Override public Integer setValue(Integer value) {
return BuilderMapEntryCollection.this.setValue(key, value);
}
}
@Nonnull @Override public Iterator<Map.Entry<Key, Integer>> iterator() {
final Iterator<Key> iter = keys.iterator();
return new Iterator<Map.Entry<Key, Integer>>() {
@Override public boolean hasNext() {
return iter.hasNext();
}
@Override public Map.Entry<Key, Integer> next() {
MapEntry entry = new MapEntry();
entry.key = iter.next();
return entry;
}
@Override public void remove() {
throw new UnsupportedOperationException();
}
};
}
@Override public int size() {
return keys.size();
}
protected abstract int getValue(@Nonnull Key key);
protected abstract int setValue(@Nonnull Key key, int value);
}