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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 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.dcaegen2.services.sdk.rest.services.cbs.client.api.streams;
import java.util.Objects;
import java.util.function.Predicate;
import org.onap.dcaegen2.services.sdk.model.streams.RawDataStream;
import org.onap.dcaegen2.services.sdk.model.streams.StreamType;
/**
* A small collection of predicates usable when filtering {@link RawDataStream}s.
*
* @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
* @since 1.1.4
*/
public final class StreamPredicates {
public StreamPredicates() {
}
/**
* Predicate for matching {@link RawDataStream} by name.
*
* @param name data stream name
* @param <T> type of data stream
* @return a predicate which returns true only when a stream name is equal to the given name
*/
public static <T> Predicate<RawDataStream<T>> streamWithName(String name) {
return stream -> Objects.equals(stream.name(), name);
}
/**
* Predicate for matching {@link RawDataStream} by type.
*
* @param type data stream type
* @param <T> type of data stream
* @return a predicate which returns true only when a stream type is equal to the given type
*/
public static <T> Predicate<RawDataStream<T>> streamOfType(StreamType type) {
return stream -> stream.type() == type;
}
}
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