| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package java.util.stream; |
| |
| /** |
| * A base type for test operations |
| */ |
| interface IntermediateTestOp<E_IN, E_OUT> { |
| |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public static<T> AbstractPipeline chain(AbstractPipeline upstream, |
| IntermediateTestOp<?, T> op) { |
| if (op instanceof StatelessTestOp) |
| return StatelessTestOp.chain(upstream, (StatelessTestOp) op); |
| |
| if (op instanceof StatefulTestOp) |
| return StatefulTestOp.chain(upstream, (StatefulTestOp) op); |
| |
| throw new IllegalStateException("Unknown test op type: " + op.getClass().getName()); |
| } |
| } |