/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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.intellij.vcs.log.impl;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.util.Couple;
import com.intellij.openapi.util.ThrowableComputable;
import com.intellij.openapi.vcs.LocalFilePath;
import com.intellij.openapi.vcs.changes.Change;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.vcs.log.Hash;
import com.intellij.vcs.log.VcsFullCommitDetails;
import com.intellij.vcs.log.VcsUser;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Set;
/**
* Allows to postpone changes parsing, which might take long for a large amount of commits,
* because {@link Change} holds {@link LocalFilePath} which makes costly refreshes and type detections.
*/
public class VcsChangesLazilyParsedDetails extends VcsCommitMetadataImpl implements VcsFullCommitDetails {
private static final Logger LOG = Logger.getInstance(VcsChangesLazilyParsedDetails.class);
@NotNull protected final ThrowableComputable<Collection<Change>, ? extends Exception> myChangesGetter;
public VcsChangesLazilyParsedDetails(@NotNull Hash hash, @NotNull List<Hash> parents, long commitTime, @NotNull VirtualFile root,
@NotNull String subject, @NotNull VcsUser author, @NotNull String message,
@NotNull VcsUser committer, long authorTime,
@NotNull ThrowableComputable<Collection<Change>, ? extends Exception> changesGetter) {
super(hash, parents, commitTime, root, subject, author, message, committer, authorTime);
myChangesGetter = changesGetter;
}
@NotNull
@Override
public Collection<Change> getChanges() {
try {
return myChangesGetter.compute();
}
catch (Exception e) {
LOG.error("Error happened when parsing changes", e);
return Collections.emptyList();
}
}
@NotNull
public Collection<String> getModifiedPaths() {
Set<String> changedPaths = ContainerUtil.newHashSet();
for (Change change : getChanges()) {
if (change.getAfterRevision() != null) changedPaths.add(change.getAfterRevision().getFile().getPath());
if (change.getBeforeRevision() != null) changedPaths.add(change.getBeforeRevision().getFile().getPath());
}
return changedPaths;
}
@NotNull
public Collection<Couple<String>> getRenamedPaths() {
Set<Couple<String>> renames = ContainerUtil.newHashSet();
for (Change change : getChanges()) {
if (change.getType().equals(Change.Type.MOVED)) {
if (change.getAfterRevision() != null && change.getBeforeRevision() != null) {
renames.add(Couple.of(change.getBeforeRevision().getFile().getPath(), change.getAfterRevision().getFile().getPath()));
}
}
}
return renames;
}
}