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CopyTransManager.java
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CopyTransManager.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.action;
import java.io.Serializable;
import javax.annotation.Nonnull;
import lombok.AccessLevel;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.AutoCreate;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.security.Identity;
import org.zanata.async.AsyncTaskHandle;
import org.zanata.async.AsyncTaskHandleManager;
import org.zanata.async.handle.CopyTransTaskHandle;
import org.zanata.model.HCopyTransOptions;
import org.zanata.model.HDocument;
import org.zanata.model.HProjectIteration;
import org.zanata.service.CopyTransService;
/**
* Manager Bean that keeps track of manual copy trans being run in the system,
* to avoid duplicates and to provide asynchronous feedback.
*
* @author Carlos Munoz <a
* href="mailto:camunoz@redhat.com">camunoz@redhat.com</a>
*/
@AutoCreate
@Name("copyTransManager")
@Scope(ScopeType.STATELESS)
@Slf4j
// TODO This class should be merged with the copy trans service (?)
public class CopyTransManager implements Serializable {
private static final long serialVersionUID = 1L;
@In
private AsyncTaskHandleManager asyncTaskHandleManager;
@In
private CopyTransService copyTransServiceImpl;
@In
private Identity identity;
public boolean isCopyTransRunning(@Nonnull Object target) {
CopyTransProcessKey key;
if (target instanceof HProjectIteration) {
key = CopyTransProcessKey.getKey((HProjectIteration) target);
} else if (target instanceof HDocument) {
key = CopyTransProcessKey.getKey((HDocument) target);
} else {
throw new IllegalArgumentException(
"Copy Trans can only run for HProjectIteration and HDocument");
}
AsyncTaskHandle handle = asyncTaskHandleManager.getHandleByKey(key);
return handle != null && !handle.isDone();
}
/**
* Start a Translation copy with the default options.
*/
public void startCopyTrans(HProjectIteration iteration) {
this.startCopyTrans(iteration, new HCopyTransOptions());
}
/**
* Start a Translation copy for a document with the given options.
*
* @param document
* The document for which to start copy trans.
* @param options
* The options to run copy trans with.
*/
public void startCopyTrans(HDocument document, HCopyTransOptions options) {
if (isCopyTransRunning(document)) {
throw new RuntimeException(
"Copy Trans is already running for document '"
+ document.getDocId() + "'");
}
CopyTransProcessKey key = CopyTransProcessKey.getKey(document);
CopyTransTaskHandle handle = new CopyTransTaskHandle();
asyncTaskHandleManager.registerTaskHandle(handle, key);
copyTransServiceImpl.startCopyTransForDocument(document, options,
handle);
}
/**
* Start a Translation copy with the given custom options.
*/
public void startCopyTrans(HProjectIteration iteration,
HCopyTransOptions options) {
// double check
if (isCopyTransRunning(iteration)) {
throw new RuntimeException(
"Copy Trans is already running for version '"
+ iteration.getSlug() + "'");
}
CopyTransProcessKey key = CopyTransProcessKey.getKey(iteration);
CopyTransTaskHandle handle = new CopyTransTaskHandle();
asyncTaskHandleManager.registerTaskHandle(handle, key);
copyTransServiceImpl.startCopyTransForIteration(iteration, options,
handle);
}
public CopyTransTaskHandle getCopyTransProcessHandle(@Nonnull Object target) {
CopyTransProcessKey key;
if (target instanceof HProjectIteration) {
key = CopyTransProcessKey.getKey((HProjectIteration) target);
} else if (target instanceof HDocument) {
key = CopyTransProcessKey.getKey((HDocument) target);
} else {
throw new IllegalArgumentException(
"Copy Trans can only run for HProjectIteration and HDocument");
}
return (CopyTransTaskHandle) asyncTaskHandleManager
.getHandleByKey(key);
}
public void cancelCopyTrans(HProjectIteration iteration) {
if (isCopyTransRunning(iteration)) {
CopyTransProcessKey key = CopyTransProcessKey.getKey(iteration);
CopyTransTaskHandle handle =
this.getCopyTransProcessHandle(iteration);
handle.cancel(true);
handle.setCancelledTime(System.currentTimeMillis());
handle.setCancelledBy(identity.getCredentials().getUsername());
}
}
/**
* Internal class to index Copy Trans processes.
*/
@EqualsAndHashCode
@Getter
@Setter
@NoArgsConstructor(access = AccessLevel.PRIVATE)
private static final class CopyTransProcessKey implements Serializable {
private static final long serialVersionUID = -2054359069473618887L;
private String projectSlug;
private String iterationSlug;
private String docId;
public static CopyTransProcessKey getKey(HProjectIteration iteration) {
CopyTransProcessKey newKey = new CopyTransProcessKey();
newKey.setProjectSlug(iteration.getProject().getSlug());
newKey.setIterationSlug(iteration.getSlug());
return newKey;
}
public static CopyTransProcessKey getKey(HDocument document) {
CopyTransProcessKey newKey = new CopyTransProcessKey();
newKey.setDocId(document.getDocId());
newKey.setProjectSlug(document.getProjectIteration().getProject()
.getSlug());
newKey.setIterationSlug(document.getProjectIteration().getSlug());
return newKey;
}
}
}