From a90863760d1ae1a92520ce29841aec600d25a83a Mon Sep 17 00:00:00 2001 From: Jan Srnicek Date: Fri, 30 Jun 2017 15:10:27 +0200 Subject: HONEYCOMB-358 - Conditional module loading Change-Id: Ic9b7182cc77bf2f73cf5edd3ee19f25f53711cda Signed-off-by: Jan Srnicek --- .../distro/schema/YangModuleMappingIndex.java | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/schema/YangModuleMappingIndex.java (limited to 'infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/schema/YangModuleMappingIndex.java') diff --git a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/schema/YangModuleMappingIndex.java b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/schema/YangModuleMappingIndex.java new file mode 100644 index 000000000..a483cfd9c --- /dev/null +++ b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/schema/YangModuleMappingIndex.java @@ -0,0 +1,69 @@ +/* + * 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.infra.distro.schema; + +import com.google.common.collect.ImmutableSet; +import com.google.common.collect.LinkedListMultimap; +import com.google.common.collect.Multimap; +import java.util.Arrays; +import java.util.Set; +import java.util.stream.Stream; +import javax.annotation.Nonnull; + +/** + * Index from guice module to yang module providers + */ +class YangModuleMappingIndex implements ResourceLoader { + + private static final String G_MODULE_TOKEN = "GUICE_MODULE:"; + private static final String KEY_VALUE_SEPARATOR = "|"; + private static final String Y_MODULE_TOKEN = "YANG_MODULES:"; + private static final String Y_MODULE_SEPARATOR = ","; + + /** + * key - module class name + * value - yang module provider + */ + private final Multimap index; + + YangModuleMappingIndex(final String indexPath) { + this.index = LinkedListMultimap.create(); + loadResourceContentsOnPath(indexPath) + .forEach(line -> { + final String moduleName = parseModuleName(line); + parseYangModules(line).forEach(yModuleProvider -> index.put(moduleName, yModuleProvider)); + }); + } + + Set getByModuleName(@Nonnull final String moduleName) { + return ImmutableSet.copyOf(index.get(moduleName)); + } + + int applicationModulesCount() { + return index.keySet().size(); + } + + private static String parseModuleName(final String rawLine) { + return rawLine.substring(rawLine.indexOf(G_MODULE_TOKEN) + G_MODULE_TOKEN.length(), + rawLine.indexOf(KEY_VALUE_SEPARATOR)); + } + + private static Stream parseYangModules(final String rawLine) { + return Arrays.stream(rawLine.substring(rawLine.indexOf(Y_MODULE_TOKEN) + Y_MODULE_TOKEN.length()) + .split(Y_MODULE_SEPARATOR)); + } +} -- cgit 1.2.3-korg