| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.lib.analysis; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import com.google.devtools.build.lib.actions.ActionAnalysisMetadata; |
| import com.google.devtools.build.lib.actions.ActionGraph; |
| import com.google.devtools.build.lib.actions.ActionGraphVisitor; |
| import com.google.devtools.build.lib.actions.ActionOwner; |
| import java.util.List; |
| |
| /** |
| * A bipartite graph visitor which accumulates actions with matching mnemonics for a target. |
| */ |
| public final class PrintActionVisitor extends ActionGraphVisitor { |
| private final ConfiguredTarget target; |
| private final List<ActionAnalysisMetadata> actions; |
| private final Predicate<ActionAnalysisMetadata> actionMnemonicMatcher; |
| private final String targetConfigurationChecksum; |
| |
| /** |
| * Creates a new visitor for the actions associated with the given target that have a matching |
| * mnemonic. |
| */ |
| public PrintActionVisitor(ActionGraph actionGraph, ConfiguredTarget target, |
| Predicate<ActionAnalysisMetadata> actionMnemonicMatcher) { |
| super(actionGraph); |
| this.target = target; |
| this.actionMnemonicMatcher = actionMnemonicMatcher; |
| actions = Lists.newArrayList(); |
| targetConfigurationChecksum = target.getConfigurationChecksum(); |
| } |
| |
| @Override |
| protected boolean shouldVisit(ActionAnalysisMetadata action) { |
| ActionOwner owner = action.getOwner(); |
| return owner != null && target.getLabel().equals(owner.getLabel()) |
| && targetConfigurationChecksum.equals(owner.getConfigurationChecksum()); |
| } |
| |
| @Override |
| protected void visitAction(ActionAnalysisMetadata action) { |
| if (actionMnemonicMatcher.apply(action)) { |
| actions.add(action); |
| } |
| } |
| |
| /** Retrieves the collected actions since this method was last called and clears the list. */ |
| public ImmutableList<ActionAnalysisMetadata> getActions() { |
| return ImmutableList.copyOf(actions); |
| } |
| } |