com.google.gwt.dev.jjs.impl.codesplitter.OneToOneFragmentPartitionStrategy Maven / Gradle / Ivy
/*
* 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 partitionIntoFragments(TreeLogger logger, ControlFlowAnalyzer initiallyLive,
Collection> groupedNonInitialRunAsyncs) {
/**
* Create the exclusive fragments according to a one-to-one assignment.
*/
List fragments = new ArrayList();
for (Collection runAsyncGroup : groupedNonInitialRunAsyncs) {
Fragment fragment =
new Fragment(Fragment.Type.EXCLUSIVE);
for (JRunAsync runAsync : runAsyncGroup) {
fragment.addRunAsync(runAsync);
}
fragments.add(fragment);
}
return fragments;
}
}