package jdk.jfr.consumer;

import jdk.jfr.internal.Type;

final class ConstantLookup {

    private final Type type;

    private ConstantMap current;

    private ConstantMap previous = ConstantMap.EMPTY;

    ConstantLookup(ConstantMap current, Type type) {

        this.current = current;

        this.type = type;

    }

    public Type getType() {

        return type;

    }

    public ConstantMap getLatestPool() {

        return current;

    }

    public void newPool() {

        previous = current;

        current = new ConstantMap(current.factory, current.name);

     //   previous =  new ConstantMap(); // disable cache

    }

    public Object getPreviousResolved(long key) {

        return previous.getResolved(key);

    }

    public Object getCurrentResolved(long key) {

        return current.getResolved(key);

    }

    public Object getCurrent(long key) {

        return current.get(key);

    }

}