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author | 2017-08-01 10:11:42 +0200 | |
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committer | 2017-08-01 10:11:42 +0200 | |
commit | 36f5d08e1e7fb2838d88133140f5dab53f8d9882 (patch) | |
tree | 0927e68f451909a5b155dc5d1f859e64bfcd5713 /vpp-common/vpp-translate-utils/src/main/java | |
parent | 5c12a3c798386ad84b76d9794d787e0497aaec4f (diff) |
HC2VPP-187 - Naming context improvements
Adds option to throw specific exception on non existing mapping
Change-Id: I1903ad8d0d660380680f99f0252e7ec6d9c8862d
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
Diffstat (limited to 'vpp-common/vpp-translate-utils/src/main/java')
-rw-r--r-- | vpp-common/vpp-translate-utils/src/main/java/io/fd/hc2vpp/common/translate/util/NamingContext.java | 21 |
1 files changed, 21 insertions, 0 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 5e0eea71b..8e5c31a14 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 @@ -22,6 +22,7 @@ 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.function.Supplier; import java.util.stream.Collector; import javax.annotation.Nonnull; import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.Contexts; @@ -169,6 +170,26 @@ public final class NamingContext implements AutoCloseable { } /** + * Returns index value associated with the given name. + * + * @param name the name whose associated index value is to be returned + * @param mappingContext mapping context providing context data for current transaction + * @param throwIfNonExisting if mapping was not found, supplied exception will be thrown + * @return integer index value matching supplied name + * @throws T if name was not found + */ + public synchronized <T extends Throwable> int getIndex(final String name, + final MappingContext mappingContext, + final Supplier<T> throwIfNonExisting) throws T { + // supplier is used to not instantiate exception if not needed + final Optional<Mapping> read = mappingContext.read(getMappingIid(name)); + if (!read.isPresent()) { + throw throwIfNonExisting.get(); + } + return read.get().getIndex(); + } + + /** * Check whether mapping is present for name. * * @param name name of a mapped item |