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package org.openecomp.core.tools.Commands;
import org.apache.commons.collections.CollectionUtils;
import org.openecomp.core.tools.concurrent.ItemHealingTask;
import org.openecomp.core.tools.loaders.VersionInfoCassandraLoader;
import org.openecomp.sdc.vendorsoftwareproduct.VendorSoftwareProductConstants;
import org.openecomp.sdc.vendorsoftwareproduct.VendorSoftwareProductManager;
import org.openecomp.sdc.vendorsoftwareproduct.VspManagerFactory;
import org.openecomp.sdc.versioning.VersioningManager;
import org.openecomp.sdc.versioning.VersioningManagerFactory;
import org.openecomp.sdc.versioning.dao.types.Version;
import org.openecomp.sdc.versioning.dao.types.VersionInfoEntity;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.time.Duration;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Objects;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.stream.Stream;
/**
* Created by ayalaben on 11/6/2017
*/
public class HealAll {
private static final String HEALING_USER = "healing_user";
private static final int defaulThreadNumber =100;
private static BufferedWriter log;
private static List<ItemHealingTask> tasks = new ArrayList<>();
private static VendorSoftwareProductManager vspManager = VspManagerFactory
.getInstance().createInterface();
private static VersioningManager versioningManager = VersioningManagerFactory.getInstance()
.createInterface();
static {
try {
log =
new BufferedWriter(new FileWriter("healing.log",true));
} catch (IOException e) {
if (log != null) {
try {
log.close();
} catch (IOException e1) {
throw new RuntimeException("can't initial healing log file: " + e1.getMessage());
}
}
throw new RuntimeException("can't initial healing log file: " + e.getMessage());
}
}
public static void healAll(String threadNumber) {
writeToLog("----starting healing------");
Instant startTime = Instant.now();
int numberOfThreads = Objects.nonNull(threadNumber) ? Integer.valueOf(threadNumber) :
defaulThreadNumber;
ExecutorService executor = Executors.newFixedThreadPool(numberOfThreads);
filterByEntityType(VersionInfoCassandraLoader.list(),
VendorSoftwareProductConstants.VENDOR_SOFTWARE_PRODUCT_VERSIONABLE_TYPE).forEach
(HealAll::addTaskToTasks);
executeAllTasks(executor);
writeToLog("----finished healing------" );
Instant endTime = Instant.now();
writeToLog("Total runtime was: " + Duration.between(startTime, endTime));
try {
if (log != null) {
log.close();
}
} catch (IOException e) {
writeToLog("Error:" + e.getMessage());
}
System.exit(1);
}
private static void executeAllTasks(ExecutorService executor) {
List<Future<String>> futureTasks;
try {
futureTasks = executor.invokeAll(tasks);
futureTasks.forEach(future -> {
try {
log.write(future.get());
log.newLine();
} catch (Exception e) {
writeToLog(e.getMessage());
}
});
} catch (InterruptedException e) {
writeToLog("migration tasks failed with message: " + e.getMessage());
throw new RuntimeException(e);
}
boolean isThreadOpen = true;
while (isThreadOpen) {
isThreadOpen = futureTasks.stream().anyMatch(future -> !future.isDone());
}
}
private static Version resolveVersion(VersionInfoEntity versionInfoEntity) {
if (Objects.nonNull(versionInfoEntity.getCandidate())) {
return versionInfoEntity.getCandidate().getVersion();
} else if (!CollectionUtils.isEmpty(versionInfoEntity.getViewableVersions())) {
return versionInfoEntity.getViewableVersions().stream().max(Version::compateTo).get();
}
return versionInfoEntity.getActiveVersion();
}
private static void writeToLog(String message) {
try {
log.write(message);
log.newLine();
} catch (IOException e) {
throw new RuntimeException("unable to write to healing all log file.");
}
}
private static Stream<VersionInfoEntity> filterByEntityType(Collection<VersionInfoEntity>
versionInfoEntities,
String entityType){
return versionInfoEntities.stream().filter(versionInfoEntity -> versionInfoEntity
.getEntityType().equals(entityType));
}
private static void addTaskToTasks(VersionInfoEntity versionInfoEntity){
tasks.add(new ItemHealingTask(versionInfoEntity.getEntityId(), resolveVersion
(versionInfoEntity).toString(), versionInfoEntity.getCandidate() == null ?
HEALING_USER : versionInfoEntity.getCandidate().getUser(),
vspManager, versioningManager));
}
}
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