/**
* Copyright (c) Rich Hickey. All rights reserved.
* The use and distribution terms for this software are covered by the
* Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
* which can be found in the file epl-v10.html at the root of this distribution.
* By using this software in any fashion, you are agreeing to be bound by
* the terms of this license.
* You must not remove this notice, or any other, from this software.
**/
package com.trifork.clj_ds;
import java.util.Map;
import com.trifork.clj_ds.PersistentHashMap.INode;
abstract class ATransientMap<K,V> extends AFn implements ITransientMap<K,V>{
abstract void ensureEditable();
abstract ITransientMap<K,V> doAssoc(K key, V val);
abstract ITransientMap<K,V> doWithout(K key);
abstract V doValAt(K key, V notFound);
abstract int doCount();
abstract IPersistentMap<K,V> doPersistent();
public ITransientMap<K,V> conj(Map.Entry<K, V> o) {
ensureEditable();
return assoc(o.getKey(), o.getValue());
}
public final Object invoke(Object arg1) throws Exception{
return valAt((K) arg1);
}
public final Object invoke(Object arg1, Object notFound) throws Exception{
return valAt((K)arg1, (V) notFound);
}
public final V valAt(K key) {
return valAt(key, null);
}
public final ITransientMap<K,V> assoc(K key, V val) {
ensureEditable();
return doAssoc(key, val);
}
public final ITransientMap<K,V> without(K key) {
ensureEditable();
return doWithout(key);
}
public final IPersistentMap<K,V> persistentMap() {
ensureEditable();
return doPersistent();
}
public final V valAt(K key, V notFound) {
ensureEditable();
return doValAt(key, notFound);
}
public final int count() {
ensureEditable();
return doCount();
}
}