package org.nutz.dao.impl.jdbc; import java.io.File; import org.nutz.dao.jdbc.ValueAdaptor; import org.nutz.filepool.FilePool; abstract class AbstractFileValueAdaptor implements ValueAdaptor { private FilePool pool; String suffix; AbstractFileValueAdaptor(FilePool pool) { this.pool = pool; } File createTempFile() { return pool.createFile(suffix); } }