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package io.jstach.rainbowgum.disruptor;

import io.jstach.rainbowgum.LogProperties;
import io.jstach.rainbowgum.LogProperty;
import io.jstach.rainbowgum.LogProperty.Property;

/**
 * Builder to create {@link io.jstach.rainbowgum.LogPublisher.PublisherFactory }.
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * Properties retrieved from LogPropertiesProperty Pattern Type Required Default Description
{@value PROPERTY_bufferSize } Integer true {@value io.jstach.rainbowgum.disruptor.DisruptorConfigurator#DEFAULT_BUFFER_SIZE } 
 */
public final class DisruptorLogBuilder implements io.jstach.rainbowgum.LogBuilder {

	/**
	 * The properties to be retrieved from config will have
	 * this prefix.
	 */
	static final String PROPERTY_PREFIX = "logging.publisher.{name}.";
	
	/**
	 * {@value #PROPERTY_bufferSize } = java.lang.Integer 
	 */
	static final String PROPERTY_bufferSize = PROPERTY_PREFIX + "bufferSize";
	
	private final String propertyPrefix;
	final Property property_bufferSize;
	
	private final java.lang.String name;
	private java.lang.Integer bufferSize = io.jstach.rainbowgum.disruptor.DisruptorConfigurator.DEFAULT_BUFFER_SIZE;
	
	/**
	 * Create a builder for {@code io.jstach.rainbowgum.LogPublisher.PublisherFactory }.
	 * @param name will fill {name} in logging.publisher.{name}.. 
	 */
	public DisruptorLogBuilder(
			java.lang.String name
			) {
		java.util.Map prefixParameters = java.util.Map.of(
				"name", name
			);
		this.propertyPrefix = LogProperties.interpolateKey(PROPERTY_PREFIX, prefixParameters);
		this.name = name;
		property_bufferSize = Property.builder()
			.ofInt()
			.build(LogProperties.interpolateKey(PROPERTY_bufferSize, prefixParameters));

	}


	
	/**
	 * Sets required bufferSize.
	 * 
	 * Default is {@value io.jstach.rainbowgum.disruptor.DisruptorConfigurator#DEFAULT_BUFFER_SIZE }.
	 * @param bufferSize {@value #PROPERTY_bufferSize } = java.lang.Integer 
	 * @return this builder.
	 */
	public DisruptorLogBuilder bufferSize(java.lang.Integer bufferSize) {
		this.bufferSize = bufferSize;
		return this;
	}
	
	/**
	 * Creates {@code io.jstach.rainbowgum.LogPublisher.PublisherFactory } from this builder.
	 * @return {@code io.jstach.rainbowgum.LogPublisher.PublisherFactory }.
	 */
	public io.jstach.rainbowgum.LogPublisher.PublisherFactory build() {
		return io.jstach.rainbowgum.disruptor.DisruptorConfigurator.of(
				this.name
				, property_bufferSize.require(this.bufferSize)
				);
	}
	
	@Override
	public DisruptorLogBuilder fromProperties(LogProperties properties) {
		var __v = LogProperty.Validator.of(this.getClass());
		var _bufferSize = property_bufferSize.get(properties).or(this.bufferSize);
		__v.add(_bufferSize);
		__v.validate();
		this.bufferSize = _bufferSize.value();
		return this;
	}
	
	/**
	 * Turns the builder into java.util.Properties like Map skipping values that are null.
	 * @param consumer apply is called where first arg is key and second is value.
	 */
	public void toProperties(java.util.function.BiConsumer consumer) {
		var _bufferSize = this.bufferSize;
		if (_bufferSize != null) {
			consumer.accept(property_bufferSize.key(), property_bufferSize.propertyString(_bufferSize));
		}
	}
	
	/**
	 * The interpolated property prefix: {@value #PROPERTY_PREFIX}.
	 * @return resolved prefix which should end with a ".".
	 */
	@Override
	public String propertyPrefix() {
		return this.propertyPrefix;
	}
	
}