com.mongodb.reactivestreams.client.internal.ListDatabasesPublisherImpl Maven / Gradle / Ivy

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/*
 * 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.client.AsyncListDatabasesIterable;
import com.mongodb.reactivestreams.client.ListDatabasesPublisher;
import org.bson.conversions.Bson;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;

import java.util.concurrent.TimeUnit;

import static com.mongodb.assertions.Assertions.notNull;


final class ListDatabasesPublisherImpl implements ListDatabasesPublisher {

    private final AsyncListDatabasesIterable wrapped;

    ListDatabasesPublisherImpl(final AsyncListDatabasesIterable wrapped) {
        this.wrapped = notNull("wrapped", wrapped);
    }

    @Override
    public ListDatabasesPublisher maxTime(final long maxTime, final TimeUnit timeUnit) {
        notNull("timeUnit", timeUnit);
        wrapped.maxTime(maxTime, timeUnit);
        return this;
    }

    @Override
    public ListDatabasesPublisher filter(final Bson filter) {
        wrapped.filter(filter);
        return this;
    }

    @Override
    public ListDatabasesPublisher nameOnly(final Boolean nameOnly) {
        wrapped.nameOnly(nameOnly);
        return this;
    }

    @Override
    public ListDatabasesPublisher authorizedDatabasesOnly(final Boolean authorizedDatabasesOnly) {
        wrapped.authorizedDatabasesOnly(authorizedDatabasesOnly);
        return this;
    }

    @Override
    public ListDatabasesPublisher batchSize(final int batchSize) {
        wrapped.batchSize(batchSize);
        return this;
    }

    @Override
    public Publisher first() {
        return Publishers.publish(wrapped::first);
    }

    @Override
    public void subscribe(final Subscriber s) {
        Publishers.publish(wrapped).subscribe(s);
    }
}