| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jjs.impl.codesplitter; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.dev.jjs.ast.JRunAsync; |
| import com.google.gwt.dev.jjs.impl.ControlFlowAnalyzer; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * The simplest fragmentation strategy, each non initial runAsync is assigned to a different |
| * exclusive fragment. |
| */ |
| class OneToOneFragmentPartitionStrategy implements FragmentPartitionStrategy { |
| @Override |
| public Collection<Fragment> partitionIntoFragments(TreeLogger logger, ControlFlowAnalyzer initiallyLive, |
| Collection<Collection<JRunAsync>> groupedNonInitialRunAsyncs) { |
| /** |
| * Create the exclusive fragments according to a one-to-one assignment. |
| */ |
| List<Fragment> fragments = new ArrayList<Fragment>(); |
| for (Collection<JRunAsync> runAsyncGroup : groupedNonInitialRunAsyncs) { |
| Fragment fragment = |
| new Fragment(Fragment.Type.EXCLUSIVE); |
| for (JRunAsync runAsync : runAsyncGroup) { |
| fragment.addRunAsync(runAsync); |
| } |
| fragments.add(fragment); |
| } |
| return fragments; |
| } |
| } |