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authorMarek Gradzki <mgradzki@cisco.com>2017-08-24 13:08:49 +0200
committerMarek Gradzki <mgradzki@cisco.com>2017-08-24 13:51:30 +0200
commit31996a6707d75a5f87f7d8c89f563af74e32fe70 (patch)
tree6f615c73e831cf459c0aeb71a8565d7973ae0aa3 /vpp-common/vpp-translate-utils/src/main
parent26e7c2dcd0d1b1e5d9efb475eeb78effb897a731 (diff)
NamingContext.getNameIfPresent should not fail if name is missing
Also makes InterfaceChangeNotificationProducer notification translation code more defensive. The issue was revealed by HC2VPP-216 and HC2VPP-220. Change-Id: I20792a51743ae621d86c1b9066d680bc2303ed82 Signed-off-by: Marek Gradzki <mgradzki@cisco.com>
Diffstat (limited to 'vpp-common/vpp-translate-utils/src/main')
-rw-r--r--vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java20
1 files changed, 15 insertions, 5 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java
index 8e5c31a14..60bd822fb 100644
--- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java
+++ b/vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java
@@ -22,8 +22,10 @@ import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.MappingContext;
import io.fd.honeycomb.translate.util.RWUtils;
+import java.util.List;
import java.util.function.Supplier;
import java.util.stream.Collector;
+import java.util.stream.Collectors;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts;
import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContextKey;
@@ -93,13 +95,21 @@ public final class NamingContext implements AutoCloseable {
public synchronized Optional<String> getNameIfPresent(final int index,
@Nonnull final MappingContext mappingContext) {
final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class));
+ if (!read.isPresent()) {
+ return Optional.absent();
+ }
- return read.isPresent()
- ? Optional.of(read.get().getMapping().stream()
+ final List<Mapping> mappings = read.get().getMapping().stream()
.filter(mapping -> mapping.getIndex().equals(index))
- .collect(SINGLE_ITEM_COLLECTOR)
- .getName())
- : Optional.absent();
+ .collect(Collectors.toList());
+
+ if (mappings.size() > 1) {
+ throw new IllegalStateException("Multiple mappings defined with index=" + index + ": " + mappings);
+ } else if (mappings.size() == 1) {
+ return Optional.of(mappings.get(0).getName());
+ } else {
+ return Optional.absent();
+ }
}
/**