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author | Maciej Malewski <maciej.malewski@nokia.com> | 2021-06-08 09:04:48 +0200 |
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committer | Maciej Malewski <maciej.malewski@nokia.com> | 2021-06-16 14:17:34 +0200 |
commit | 430cf11bbcb447316f831e1dd1b8760abeaa9171 (patch) | |
tree | 016bf553772496117d2a2c2de3b858e3b7f67854 /src/main/java/org/onap/dcae/multiplestreamreducer/MultipleStreamReducer.java | |
parent | 26be283f4a7044aea4ee0ca480fde20eb5233ee2 (diff) |
Replace cambria with DmaaP client
- remove cambria, add DmaaP client
- sending event for many topics at once is no longer supported
- add backward compatibility status codes
- add additional validation for batchEvent
Issue-ID: DCAEGEN2-1483
Signed-off-by: Maciej Malewski <maciej.malewski@nokia.com>
Change-Id: I502e1b21af217a07f8432b14dd833dfb3c139975
Diffstat (limited to 'src/main/java/org/onap/dcae/multiplestreamreducer/MultipleStreamReducer.java')
-rw-r--r-- | src/main/java/org/onap/dcae/multiplestreamreducer/MultipleStreamReducer.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/multiplestreamreducer/MultipleStreamReducer.java b/src/main/java/org/onap/dcae/multiplestreamreducer/MultipleStreamReducer.java new file mode 100644 index 00000000..c03ab6bb --- /dev/null +++ b/src/main/java/org/onap/dcae/multiplestreamreducer/MultipleStreamReducer.java @@ -0,0 +1,50 @@ +/* + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 2021 Nokia. All rights reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ +package org.onap.dcae.multiplestreamreducer; + +import io.vavr.Tuple2; +import io.vavr.collection.Map; + +public class MultipleStreamReducer { + + /** + * Converts configuration from: "one domain many streams" + * to: "one domain one stream" + * + * @param map domain to streams configuration + * @return configuration - one domain one stream + */ + public Map<String, String> reduce(Map<String, String[]> map) { + return map.toStream() + .toMap(Tuple2::_1, v -> v._2[0]); + } + + /** + * Information about the current match: domain to stream + * + * @param domainToStreamConfig domain to stream configuration + * @return current domain to stream information + */ + public String getDomainToStreamsInfo(Map<String, String> domainToStreamConfig) { + return domainToStreamConfig.map(v -> "Domain: " + + v._1 + " has active stream: " + v._2 + System.lineSeparator()) + .reduce((a, b) -> a + b); + } +} |