From d5cf563f312609ad9b998835c794e79a67c6767c Mon Sep 17 00:00:00 2001 From: Marek Gradzki Date: Wed, 23 Aug 2017 11:51:30 +0200 Subject: Move StaticCacheKeyFactory to honeycomb project Change-Id: I566c8ce15ac1cbf932c900812c12bd9c56b223f7 Signed-off-by: Marek Gradzki --- .../util/read/cache/StaticCacheKeyFactory.java | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/cache/StaticCacheKeyFactory.java (limited to 'infra/translate-utils/src') diff --git a/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/cache/StaticCacheKeyFactory.java b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/cache/StaticCacheKeyFactory.java new file mode 100644 index 000000000..216aadb9b --- /dev/null +++ b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/cache/StaticCacheKeyFactory.java @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2017 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.util.read.cache; + +import static com.google.common.base.Preconditions.checkNotNull; + +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * {@link CacheKeyFactory} that produces the same key irrespective of the given {@link InstanceIdentifier}. + */ +public class StaticCacheKeyFactory implements CacheKeyFactory { + + private final String key; + private final Class cachedDataType; + + /** + * Construct static cache key factory. + * + * @param key string to be used as cache key + * @param cachedDataType data for which this factory is creating keys + */ + public StaticCacheKeyFactory(@Nonnull final String key, @Nonnull final Class cachedDataType) { + this.key = checkNotNull(key, "key should not be null"); + this.cachedDataType = checkNotNull(cachedDataType, "cachedDataType should not be null"); + } + + @Nonnull + @Override + public String createKey(@Nonnull final InstanceIdentifier actualContextIdentifier, + @Nullable final Void dumpParams) { + return key; + } + + @Nonnull + @Override + public Class getCachedDataType() { + return cachedDataType; + } +} -- cgit 1.2.3-korg