/* * Copyright 2015 MongoDB, Inc. * * 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 com.mongodb.reactivestreams.client.internal; import com.mongodb.Block; import com.mongodb.client.model.Collation; import com.mongodb.client.model.changestream.ChangeStreamDocument; import com.mongodb.client.model.changestream.FullDocument; import com.mongodb.reactivestreams.client.ChangeStreamPublisher; import org.bson.BsonDocument; import org.bson.BsonTimestamp; import org.reactivestreams.Publisher; import org.reactivestreams.Subscriber; import java.util.concurrent.TimeUnit; import static com.mongodb.assertions.Assertions.notNull; @SuppressWarnings("deprecation") final class ChangeStreamPublisherImpl<TResult> implements ChangeStreamPublisher<TResult> { private final com.mongodb.async.client.ChangeStreamIterable<TResult> wrapped; ChangeStreamPublisherImpl(final com.mongodb.async.client.ChangeStreamIterable<TResult> wrapped) { this.wrapped = notNull("wrapped", wrapped); } @Override public ChangeStreamPublisher<TResult> fullDocument(final FullDocument fullDocument) { wrapped.fullDocument(fullDocument); return this; } @Override public ChangeStreamPublisher<TResult> resumeAfter(final BsonDocument resumeToken) { wrapped.resumeAfter(resumeToken); return this; } @Override public ChangeStreamPublisher<TResult> startAtOperationTime(final BsonTimestamp startAtOperationTime) { wrapped.startAtOperationTime(startAtOperationTime); return this; } @Override public ChangeStreamPublisher<TResult> startAfter(final BsonDocument startAfter) { wrapped.startAfter(startAfter); return this; } @Override public ChangeStreamPublisher<TResult> maxAwaitTime(final long maxAwaitTime, final TimeUnit timeUnit) { wrapped.maxAwaitTime(maxAwaitTime, timeUnit); return this; } @Override public ChangeStreamPublisher<TResult> collation(final Collation collation) { wrapped.collation(collation); return this; } @Override public <TDocument> Publisher<TDocument> withDocumentClass(final Class<TDocument> clazz) { return new ObservableToPublisher<TDocument>(com.mongodb.async.client.Observables.observe(wrapped.withDocumentClass(clazz))); } @Override public ChangeStreamPublisher<TResult> batchSize(final int batchSize) { wrapped.batchSize(batchSize); return this; } @Override public Publisher<ChangeStreamDocument<TResult>> first() { return new ObservableToPublisher<ChangeStreamDocument<TResult>>(com.mongodb.async.client.Observables.observe( new Block<com.mongodb.async.SingleResultCallback<ChangeStreamDocument<TResult>>>() { @Override public void apply(final com.mongodb.async.SingleResultCallback<ChangeStreamDocument<TResult>> callback) { wrapped.first(callback); } })); } @Override public void subscribe(final Subscriber<? super ChangeStreamDocument<TResult>> s) { new ObservableToPublisher<ChangeStreamDocument<TResult>>(com.mongodb.async.client.Observables.observe(wrapped)).subscribe(s); } }