com.kidsoncoffee.cheesecakes.ImmutableRegistrableConverter Maven / Gradle / Ivy
package com.kidsoncoffee.cheesecakes;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.function.Function;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link Parameter.RegistrableConverter}.
*
* Use the builder to create immutable instances:
* {@code ImmutableRegistrableConverter.registrableConverter()}.
* Use the static factory method to create immutable instances:
* {@code ImmutableRegistrableConverter.of()}.
*/
@Generated(from = "Parameter.RegistrableConverter", generator = "Immutables")
@SuppressWarnings({"all"})
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
public final class ImmutableRegistrableConverter
extends Parameter.RegistrableConverter {
private final Class targetType;
private final Function converter;
private ImmutableRegistrableConverter(
Class targetType,
Function converter) {
this.targetType = Objects.requireNonNull(targetType, "targetType");
this.converter = Objects.requireNonNull(converter, "converter");
}
private ImmutableRegistrableConverter(
ImmutableRegistrableConverter original,
Class targetType,
Function converter) {
this.targetType = targetType;
this.converter = converter;
}
/**
* @return The value of the {@code targetType} attribute
*/
@Override
public Class getTargetType() {
return targetType;
}
/**
* @return The value of the {@code converter} attribute
*/
@Override
public Function getConverter() {
return converter;
}
/**
* Copy the current immutable object by setting a value for the {@link Parameter.RegistrableConverter#getTargetType() targetType} attribute.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for targetType
* @return A modified copy of the {@code this} object
*/
public final ImmutableRegistrableConverter withTargetType(Class value) {
if (this.targetType == value) return this;
Class newValue = Objects.requireNonNull(value, "targetType");
return new ImmutableRegistrableConverter<>(this, newValue, this.converter);
}
/**
* Copy the current immutable object by setting a value for the {@link Parameter.RegistrableConverter#getConverter() converter} attribute.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for converter
* @return A modified copy of the {@code this} object
*/
public final ImmutableRegistrableConverter withConverter(Function value) {
if (this.converter == value) return this;
Function newValue = Objects.requireNonNull(value, "converter");
return new ImmutableRegistrableConverter<>(this, this.targetType, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableRegistrableConverter} that have equal attribute values.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(Object another) {
if (this == another) return true;
return another instanceof ImmutableRegistrableConverter
&& equalTo((ImmutableRegistrableConverter) another);
}
private boolean equalTo(ImmutableRegistrableConverter another) {
return targetType.equals(another.targetType)
&& converter.equals(another.converter);
}
/**
* Computes a hash code from attributes: {@code targetType}, {@code converter}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + targetType.hashCode();
h += (h << 5) + converter.hashCode();
return h;
}
/**
* Prints the immutable value {@code RegistrableConverter} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "RegistrableConverter{"
+ "targetType=" + targetType
+ ", converter=" + converter
+ "}";
}
/**
* Construct a new immutable {@code RegistrableConverter} instance.
* @param generic parameter R
* @param targetType The value for the {@code targetType} attribute
* @param converter The value for the {@code converter} attribute
* @return An immutable RegistrableConverter instance
*/
public static ImmutableRegistrableConverter of(Class targetType, Function converter) {
return new ImmutableRegistrableConverter<>(targetType, converter);
}
/**
* Creates an immutable copy of a {@link Parameter.RegistrableConverter} value.
* Uses accessors to get values to initialize the new immutable instance.
* If an instance is already immutable, it is returned as is.
* @param generic parameter R
* @param instance The instance to copy
* @return A copied immutable RegistrableConverter instance
*/
public static ImmutableRegistrableConverter copyOf(Parameter.RegistrableConverter instance) {
if (instance instanceof ImmutableRegistrableConverter) {
return (ImmutableRegistrableConverter) instance;
}
return ImmutableRegistrableConverter.registrableConverter()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableRegistrableConverter ImmutableRegistrableConverter}.
*
* ImmutableRegistrableConverter.<R>registrableConverter()
* .targetType(Class<R>) // required {@link Parameter.RegistrableConverter#getTargetType() targetType}
* .converter(function.Function<com.kidsoncoffee.cheesecakes.Parameter.Convertible, R>) // required {@link Parameter.RegistrableConverter#getConverter() converter}
* .build();
*
* @param generic parameter R
* @return A new ImmutableRegistrableConverter builder
*/
public static ImmutableRegistrableConverter.Builder registrableConverter() {
return new ImmutableRegistrableConverter.Builder<>();
}
/**
* Builds instances of type {@link ImmutableRegistrableConverter ImmutableRegistrableConverter}.
* Initialize attributes and then invoke the {@link #build()} method to create an
* immutable instance.
* {@code Builder} is not thread-safe and generally should not be stored in a field or collection,
* but instead used immediately to create instances.
*/
@Generated(from = "Parameter.RegistrableConverter", generator = "Immutables")
public static final class Builder {
private static final long INIT_BIT_TARGET_TYPE = 0x1L;
private static final long INIT_BIT_CONVERTER = 0x2L;
private long initBits = 0x3L;
private Class targetType;
private Function converter;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code RegistrableConverter} instance.
* Regular attribute values will be replaced with those from the given instance.
* Absent optional values will not replace present values.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(Parameter.RegistrableConverter instance) {
Objects.requireNonNull(instance, "instance");
targetType(instance.getTargetType());
converter(instance.getConverter());
return this;
}
/**
* Initializes the value for the {@link Parameter.RegistrableConverter#getTargetType() targetType} attribute.
* @param targetType The value for targetType
* @return {@code this} builder for use in a chained invocation
*/
public final Builder targetType(Class targetType) {
this.targetType = Objects.requireNonNull(targetType, "targetType");
initBits &= ~INIT_BIT_TARGET_TYPE;
return this;
}
/**
* Initializes the value for the {@link Parameter.RegistrableConverter#getConverter() converter} attribute.
* @param converter The value for converter
* @return {@code this} builder for use in a chained invocation
*/
public final Builder converter(Function converter) {
this.converter = Objects.requireNonNull(converter, "converter");
initBits &= ~INIT_BIT_CONVERTER;
return this;
}
/**
* Builds a new {@link ImmutableRegistrableConverter ImmutableRegistrableConverter}.
* @return An immutable instance of RegistrableConverter
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableRegistrableConverter build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableRegistrableConverter<>(null, targetType, converter);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_TARGET_TYPE) != 0) attributes.add("targetType");
if ((initBits & INIT_BIT_CONVERTER) != 0) attributes.add("converter");
return "Cannot build RegistrableConverter, some of required attributes are not set " + attributes;
}
}
}