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A Reactive Streams implementation of the MongoDB Java driver
/*
* Copyright 2008-present 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.internal.async.AsyncBatchCursor;
import org.reactivestreams.Publisher;
import reactor.core.publisher.Mono;
import java.util.List;
import java.util.function.Supplier;
/**
* This class is not part of the public API and may be removed or changed at any time
*/
public class BatchCursor implements AutoCloseable {
private final AsyncBatchCursor wrapped;
public BatchCursor(final AsyncBatchCursor wrapped) {
this.wrapped = wrapped;
}
public Publisher> next() {
return next(() -> false);
}
public Publisher> next(final Supplier hasBeenCancelled) {
return Mono.create(sink -> wrapped.next(
(result, t) -> {
if (!hasBeenCancelled.get()) {
if (t != null) {
sink.error(t);
} else {
sink.success(result);
}
}
}));
}
public void setBatchSize(final int batchSize) {
wrapped.setBatchSize(batchSize);
}
public int getBatchSize() {
return wrapped.getBatchSize();
}
public boolean isClosed() {
return wrapped.isClosed();
}
public void close() {
wrapped.close();
}
}
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