/// <returns>
/// the timestamp of the last renewal of the given lease,
/// or -1 in the case that the lease doesn't exist.
/// </returns>
public static long GetLeaseRenewalTime(NameNode nn, string path)
{
LeaseManager lm = nn.GetNamesystem().leaseManager;
LeaseManager.Lease l = lm.GetLeaseByPath(path);
if (l == null)
{
return(-1);
}
return(l.GetLastUpdate());
}
public virtual void TestRemoveLeaseWithPrefixPath()
{
MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).NumDataNodes(2).Build();
cluster.WaitActive();
LeaseManager lm = NameNodeAdapter.GetLeaseManager(cluster.GetNamesystem());
lm.AddLease("holder1", "/a/b");
lm.AddLease("holder2", "/a/c");
NUnit.Framework.Assert.IsNotNull(lm.GetLeaseByPath("/a/b"));
NUnit.Framework.Assert.IsNotNull(lm.GetLeaseByPath("/a/c"));
lm.RemoveLeaseWithPrefixPath("/a");
NUnit.Framework.Assert.IsNull(lm.GetLeaseByPath("/a/b"));
NUnit.Framework.Assert.IsNull(lm.GetLeaseByPath("/a/c"));
lm.AddLease("holder1", "/a/b");
lm.AddLease("holder2", "/a/c");
lm.RemoveLeaseWithPrefixPath("/a/");
NUnit.Framework.Assert.IsNull(lm.GetLeaseByPath("/a/b"));
NUnit.Framework.Assert.IsNull(lm.GetLeaseByPath("/a/c"));
}