pulsar-client-reactive-adapter/src/main/java/org/apache/pulsar/reactive/client/internal/adapter/AdaptedReactiveMessageConsumerBuilder.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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
 *
 *   https://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
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 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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package org.apache.pulsar.reactive.client.internal.adapter;

import org.apache.pulsar.client.api.Schema;
import org.apache.pulsar.reactive.client.api.MutableReactiveMessageConsumerSpec;
import org.apache.pulsar.reactive.client.api.ReactiveMessageConsumer;
import org.apache.pulsar.reactive.client.api.ReactiveMessageConsumerBuilder;

class AdaptedReactiveMessageConsumerBuilder<T> implements ReactiveMessageConsumerBuilder<T> {

	private final Schema<T> schema;

	private final ReactiveConsumerAdapterFactory reactiveConsumerAdapterFactory;

	private final MutableReactiveMessageConsumerSpec consumerSpec;

	AdaptedReactiveMessageConsumerBuilder(Schema<T> schema,
			ReactiveConsumerAdapterFactory reactiveConsumerAdapterFactory) {
		this(schema, reactiveConsumerAdapterFactory, new MutableReactiveMessageConsumerSpec());
	}

	private AdaptedReactiveMessageConsumerBuilder(Schema<T> schema,
			ReactiveConsumerAdapterFactory reactiveConsumerAdapterFactory,
			MutableReactiveMessageConsumerSpec consumerSpec) {
		this.schema = schema;
		this.reactiveConsumerAdapterFactory = reactiveConsumerAdapterFactory;
		this.consumerSpec = consumerSpec;
	}

	@Override
	public MutableReactiveMessageConsumerSpec getMutableSpec() {
		return this.consumerSpec;
	}

	@Override
	public ReactiveMessageConsumerBuilder<T> clone() {
		return new AdaptedReactiveMessageConsumerBuilder<>(this.schema, this.reactiveConsumerAdapterFactory,
				new MutableReactiveMessageConsumerSpec(this.consumerSpec));
	}

	@Override
	public ReactiveMessageConsumer<T> build() {
		return new AdaptedReactiveMessageConsumer<>(this.reactiveConsumerAdapterFactory, this.schema,
				toImmutableSpec());
	}

}