strangedb/src/main/java/org/warp/jcwdb/EntryReference.java

package org.warp.jcwdb;

import java.io.IOException;

public class EntryReference<T> {
	private final JCWDatabase db;
	private final long entryId;
	private final DBTypeParser<T> parser;
	public T value;

	public EntryReference(JCWDatabase db, long entryId, DBTypeParser<T> parser) throws IOException {
		this.db = db;
		this.entryId = entryId;
		this.parser = parser;
		this.value = db.getIndexManager().get(entryId, parser.getReader());
	}

	public void save() throws IOException {
		db.getIndexManager().set(entryId, parser.getWriter(value));
	}
}