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Make dependency injection and construction of DnsQueue nicer

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-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=146783008
This commit is contained in:
mcilwain 2017-02-07 07:12:05 -08:00 • committed by Ben McIlwain
parent 7986be139d
commit f212a53232
4 changed files with 33 additions and 30 deletions
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34
java/google/registry/dns/DnsQueue.java
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@ -14,6 +14,7 @@
package google.registry.dns;
import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
import static com.google.common.base.Preconditions.checkArgument;
import static google.registry.dns.DnsConstants.DNS_PULL_QUEUE_NAME;
import static google.registry.dns.DnsConstants.DNS_TARGET_NAME_PARAM;
@ -25,7 +26,6 @@ import static java.util.concurrent.TimeUnit.MILLISECONDS;
import com.google.appengine.api.taskqueue.Queue;
import com.google.appengine.api.taskqueue.QueueConstants;
import com.google.appengine.api.taskqueue.QueueFactory;
import com.google.appengine.api.taskqueue.TaskHandle;
import com.google.appengine.api.taskqueue.TaskOptions;
import com.google.appengine.api.taskqueue.TaskOptions.Method;
@ -48,8 +48,23 @@ public class DnsQueue {
private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
@Inject @Named(DNS_PULL_QUEUE_NAME) Queue queue;
@Inject DnsQueue() {}
private final Queue queue;
@Inject
public DnsQueue(@Named(DNS_PULL_QUEUE_NAME) Queue queue) {
this.queue = queue;
}
/**
* Constructs a new instance.
*
* <p><b>Note:</b> Prefer <code>@Inject</code>ing DnsQueue instances instead. You should only use
* this helper method in situations for which injection does not work, e.g. inside mapper or
* reducer classes in mapreduces that need to be Serializable.
*/
public static DnsQueue create() {
return new DnsQueue(getQueue(DNS_PULL_QUEUE_NAME));
}
long writeBatchSize = QueueConstants.maxLeaseCount();
@ -127,17 +142,4 @@ public class DnsQueue {
logger.severe(e, "Failed deleting tasks too fast");
}
}
/**
* Creates a new instance.
*
* <p><b>Note:</b> Prefer <code>@Inject</code>ing DnsQueue instances instead. You should only use
* this helper method in situations for which injection does not work, e.g. inside mapper or
* reducer classes in mapreduces that need to be Serializable.
*/
public static DnsQueue create() {
DnsQueue result = new DnsQueue();
result.queue = QueueFactory.getQueue(DNS_PULL_QUEUE_NAME);
return result;
}
}