/**
* 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.
**/
/* rich Mar 3, 2008 */
package com.trifork.clj_ds;
public abstract class ATransientSet<T> extends AFn implements ITransientSet<T>{
ITransientMap impl;
ATransientSet(ITransientMap impl) {
this.impl = impl;
}
public int count() {
return impl.count();
}
public ITransientSet<T> conj(T val) {
ITransientMap m = impl.assoc(val, val);
if (m != impl) this.impl = m;
return this;
}
public boolean contains(T key) {
return this != impl.valAt(key, this);
}
public ITransientSet<T> disjoin(T key) throws Exception {
ITransientMap m = impl.without(key);
if (m != impl) this.impl = m;
return this;
}
public Boolean get(T key) {
return (Boolean) impl.valAt(key);
}
public Object invoke(Object key, Object notFound) throws Exception {
return impl.valAt(key, notFound);
}
public Object invoke(Object key) throws Exception {
return impl.valAt(key);
}
}