这是indexloc提供的服务，不要输入任何密码
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synchronize with double-checked locking in AWSClient #303

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Aug 24, 2017
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synchronize with double-checked locking in AWSClient #303

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20 changes: 12 additions & 8 deletions src/main/java/com/netflix/simianarmy/client/aws/AWSClient.java
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Original file line number Diff line number Diff line change
Expand Up @@ -856,15 +856,19 @@ public Instance describeInstance(String instanceId) {

/** {@inheritDoc} */
@Override
public synchronized ComputeService getJcloudsComputeService() {
public ComputeService getJcloudsComputeService() {
if (jcloudsComputeService == null) {
String username = awsCredentialsProvider.getCredentials().getAWSAccessKeyId();
String password = awsCredentialsProvider.getCredentials().getAWSSecretKey();
ComputeServiceContext jcloudsContext = ContextBuilder.newBuilder("aws-ec2").credentials(username, password)
.modules(ImmutableSet.<Module>of(new SLF4JLoggingModule(), new JschSshClientModule()))
.buildView(ComputeServiceContext.class);

this.jcloudsComputeService = jcloudsContext.getComputeService();
synchronized(this) {
if (jcloudsComputeService == null) {
String username = awsCredentialsProvider.getCredentials().getAWSAccessKeyId();
String password = awsCredentialsProvider.getCredentials().getAWSSecretKey();
ComputeServiceContext jcloudsContext = ContextBuilder.newBuilder("aws-ec2").credentials(username, password)
.modules(ImmutableSet.<Module>of(new SLF4JLoggingModule(), new JschSshClientModule()))
.buildView(ComputeServiceContext.class);

this.jcloudsComputeService = jcloudsContext.getComputeService();
}
}
}

return jcloudsComputeService;
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