diff options
Diffstat (limited to 'vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/NamingContext.java')
-rw-r--r-- | vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/NamingContext.java | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/NamingContext.java b/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/NamingContext.java deleted file mode 100644 index 056a6df2c..000000000 --- a/vpp-common/vpp-translate-utils/src/main/java/io/fd/honeycomb/translate/v3po/util/NamingContext.java +++ /dev/null @@ -1,179 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.fd.honeycomb.translate.v3po.util; - -import static com.google.common.base.Preconditions.checkArgument; -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.stream.Collector; -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; -import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.Mappings; -import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.Mapping; -import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingBuilder; -import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.naming.context.mappings.MappingKey; -import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; -import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier; - -/** - * Utility adapter on top of {@link MappingContext} storing integer to string mappings according to naming-context yang - * model - */ -public final class NamingContext implements AutoCloseable { - - private static final Collector<Mapping, ?, Mapping> SINGLE_ITEM_COLLECTOR = RWUtils.singleItemCollector(); - private final String artificialNamePrefix; - private final KeyedInstanceIdentifier<org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContext, NamingContextKey> - namingContextIid; - - /** - * Create new naming context - * - * @param artificialNamePrefix artificial name to be used for items without a name in VPP (or not provided) - * @param instanceName name of this context instance. Will be used as list item identifier within context - * data tree - */ - public NamingContext(@Nonnull final String artificialNamePrefix, @Nonnull final String instanceName) { - this.artificialNamePrefix = artificialNamePrefix; - namingContextIid = InstanceIdentifier.create(Contexts.class).child( - org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.naming.context.rev160513.contexts.NamingContext.class, - new NamingContextKey(instanceName)); - } - - /** - * Retrieve name for mapping stored provided mappingContext instance. If not present, artificial name will be - * generated. - * - * @param index index of a mapped item - * @param mappingContext mapping context providing context data for current transaction - * @return name mapped to provided index - */ - @Nonnull - public synchronized String getName(final int index, @Nonnull final MappingContext mappingContext) { - if (!containsName(index, mappingContext)) { - final String artificialName = getArtificialName(index); - addName(index, artificialName, mappingContext); - } - - final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class)); - checkState(read.isPresent(), "Mapping for index: %s is not present. But should be", index); - - return read.get().getMapping().stream() - .filter(mapping -> mapping.getIndex().equals(index)) - .collect(SINGLE_ITEM_COLLECTOR).getName(); - } - - /** - * Retrieve name for mapping stored provided mappingContext instance. if present - * - * @param index index of a mapped item - * @param mappingContext mapping context providing context data for current transaction - * @return name mapped to provided index - */ - @Nonnull - public synchronized Optional<String> getNameIfPresent(final int index, - @Nonnull final MappingContext mappingContext) { - final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class)); - - return read.isPresent() - ? Optional.of(read.get().getMapping().stream() - .filter(mapping -> mapping.getIndex().equals(index)) - .collect(SINGLE_ITEM_COLLECTOR) - .getName()) - : Optional.absent(); - } - - /** - * Check whether mapping is present for index. - * - * @param index index of a mapped item - * @param mappingContext mapping context providing context data for current transaction - * @return true if present, false otherwise - */ - public synchronized boolean containsName(final int index, @Nonnull final MappingContext mappingContext) { - final Optional<Mappings> read = mappingContext.read(namingContextIid.child(Mappings.class)); - return read.isPresent() - ? read.get().getMapping().stream().anyMatch(mapping -> mapping.getIndex().equals(index)) - : false; - } - - - /** - * Add mapping to current context - * - * @param index index of a mapped item - * @param name name of a mapped item - * @param mappingContext mapping context providing context data for current transaction - */ - public synchronized void addName(final int index, final String name, final MappingContext mappingContext) { - final KeyedInstanceIdentifier<Mapping, MappingKey> mappingIid = getMappingIid(name); - mappingContext.put(mappingIid, new MappingBuilder().setIndex(index).setName(name).build()); - } - - private KeyedInstanceIdentifier<Mapping, MappingKey> getMappingIid(final String name) { - return namingContextIid.child(Mappings.class).child(Mapping.class, new MappingKey(name)); - } - - /** - * Remove mapping from current context - * - * @param name name of a mapped item - * @param mappingContext mapping context providing context data for current transaction - */ - public synchronized void removeName(final String name, final MappingContext mappingContext) { - mappingContext.delete(getMappingIid(name)); - } - - /** - * 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 - * @return integer index value matching supplied name - * @throws IllegalArgumentException if name was not found - */ - public synchronized int getIndex(final String name, final MappingContext mappingContext) { - final Optional<Mapping> read = mappingContext.read(getMappingIid(name)); - checkArgument(read.isPresent(), "No mapping stored for name: %s", name); - return read.get().getIndex(); - - } - - /** - * Check whether mapping is present for name. - * - * @param name name of a mapped item - * @param mappingContext mapping context providing context data for current transaction - * @return true if present, false otherwise - */ - public synchronized boolean containsIndex(final String name, final MappingContext mappingContext) { - return mappingContext.read(getMappingIid(name)).isPresent(); - } - - private String getArtificialName(final int index) { - return artificialNamePrefix + index; - } - - @Override - public void close() throws Exception { - /// Not removing the mapping from backing storage - } -} |