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CopyTransServiceImpl.java
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CopyTransServiceImpl.java
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/*
* Copyright 2010, Red Hat, Inc. and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.zanata.service.impl;
import java.util.List;
import lombok.AllArgsConstructor;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.zanata.async.AsyncUtils;
import org.zanata.async.tasks.CopyTransTask.CopyTransTaskHandle;
import org.zanata.dao.ProjectDAO;
import org.zanata.model.HCopyTransOptions;
import org.zanata.model.HDocument;
import org.zanata.model.HLocale;
import org.zanata.model.HProjectIteration;
import org.zanata.model.HTextFlow;
import org.zanata.service.CopyTransService;
import org.zanata.service.LocaleService;
import com.google.common.base.Optional;
import com.google.common.base.Stopwatch;
@Name("copyTransServiceImpl")
@Scope(ScopeType.STATELESS)
@Slf4j
@AllArgsConstructor
@NoArgsConstructor
public class CopyTransServiceImpl implements CopyTransService {
private static final int COPY_TRANS_BATCH_SIZE = 20;
@In
private LocaleService localeServiceImpl;
@In
private ProjectDAO projectDAO;
@In
private CopyTransWorkFactory copyTransWorkFactory;
/**
* Copies previous matching translations for the given locale into a
* document. Translations are matching if their document id, textflow id and
* source content are identical, and their state is approved.
*
* The text flow revision for copied targets is set to the current text flow
* revision.
*
* @param document
* the document to copy translations into
* @param targetLocale
* the locale of translations to copy
*/
private void copyTransForDocumentLocale(HDocument document,
final HLocale targetLocale, final HCopyTransOptions options) {
int numCopied = 0;
int start = 0;
Stopwatch stopwatch = new Stopwatch().start();
while (start < document.getTextFlows().size()) {
numCopied +=
copyTransForBatch(document, start, COPY_TRANS_BATCH_SIZE,
targetLocale, options);
start += COPY_TRANS_BATCH_SIZE;
}
log.info("Copy completed:" + stopwatch);
// Advance the task handler if there is one
Optional<CopyTransTaskHandle> taskHandle =
AsyncUtils.getEventAsyncHandle(CopyTransTaskHandle.class);
if (taskHandle.isPresent()) {
taskHandle.get().increaseProgress(1);
}
log.info("copyTrans: {} {} translations for document \"{}{}\" ",
numCopied, targetLocale.getLocaleId(), document.getPath(),
document.getName());
}
/**
* Perform copy trans on a batch of text flows for a document.
*
* @param batchStart
* USE_HIBERNATE_SEARCH The text flow position to start copying.
* @param batchLength
* The number of text flows on which to perform copy trans,
* starting from batchStart.
* @return The number of actual copied translations for the segment.
*/
private int copyTransForBatch(HDocument document, final int batchStart,
final int batchLength, final HLocale targetLocale,
final HCopyTransOptions options) {
try {
boolean requireTranslationReview =
document.getProjectIteration()
.getRequireTranslationReview();
List<HTextFlow> docTextFlows = document.getTextFlows();
int batchEnd =
Math.min(batchStart + batchLength, docTextFlows.size());
List<HTextFlow> copyTargets =
docTextFlows.subList(batchStart, batchEnd);
return copyTransWorkFactory.createCopyTransWork(targetLocale,
options, document, requireTranslationReview, copyTargets)
.workInTransaction();
} catch (Exception e) {
log.warn("exception during copy trans", e);
return 0;
}
}
@Override
public void copyTransForDocument(HDocument document) {
copyTransForDocument(document, null);
}
@Override
public void copyTransForDocument(HDocument document,
HCopyTransOptions copyTransOpts) {
// use project level options
if (copyTransOpts == null) {
// NB: Need to reload the options from the db
copyTransOpts =
projectDAO
.findById(
document.getProjectIteration().getProject()
.getId(), false)
.getDefaultCopyTransOpts();
}
// use the global default options
if (copyTransOpts == null) {
copyTransOpts = new HCopyTransOptions();
}
log.info("copyTrans start: document \"{}\"", document.getDocId());
Optional<CopyTransTaskHandle> taskHandleOpt =
AsyncUtils.getEventAsyncHandle(CopyTransTaskHandle.class);
List<HLocale> localeList =
localeServiceImpl.getSupportedLanguageByProjectIteration(
document.getProjectIteration().getProject().getSlug(),
document.getProjectIteration().getSlug());
for (HLocale targetLocale : localeList) {
if (taskHandleOpt.isPresent() && taskHandleOpt.get().isCancelled()) {
return;
}
copyTransForDocumentLocale(document, targetLocale, copyTransOpts);
}
if (taskHandleOpt.isPresent()) {
taskHandleOpt.get().incrementDocumentsProcessed();
}
log.info("copyTrans finished: document \"{}\"", document.getDocId());
}
@Override
public void copyTransForIteration(HProjectIteration iteration,
HCopyTransOptions copyTransOptions) {
Optional<CopyTransTaskHandle> taskHandleOpt =
AsyncUtils.getEventAsyncHandle(CopyTransTaskHandle.class);
for (HDocument doc : iteration.getDocuments().values()) {
if (taskHandleOpt.isPresent() && taskHandleOpt.get().isCancelled()) {
return;
}
this.copyTransForDocument(doc, copyTransOptions);
}
}
}