org.immutables.fixture.ImmutableSub1 Maven / Gradle / Ivy
package org.immutables.fixture;
import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import java.util.List;
import javax.annotation.Generated;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
/**
* Immutable implementation of {@link GenericInheritence.Sub1}.
*
* Use the builder to create immutable instances:
* {@code ImmutableSub1.builder()}.
*/
@SuppressWarnings("all")
@ParametersAreNonnullByDefault
@Generated({"Immutables.generator", "GenericInheritence.Sub1"})
@Immutable
public final class ImmutableSub1 implements GenericInheritence.Sub1 {
private final String a;
private final Integer b;
private ImmutableSub1(String a, Integer b) {
this.a = a;
this.b = b;
}
/**
* @return The value of the {@code a} attribute
*/
@Override
public String a() {
return a;
}
/**
* @return The value of the {@code b} attribute
*/
@Override
public Integer b() {
return b;
}
/**
* Copy the current immutable object by setting a value for the {@link GenericInheritence.Sub1#a() a} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param a A new value for a
* @return A modified copy of the {@code this} object
*/
public final ImmutableSub1 withA(String a) {
if (this.a.equals(a)) return this;
String newValue = Preconditions.checkNotNull(a, "a");
return new ImmutableSub1(newValue, this.b);
}
/**
* Copy the current immutable object by setting a value for the {@link GenericInheritence.Sub1#b() b} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param b A new value for b
* @return A modified copy of the {@code this} object
*/
public final ImmutableSub1 withB(Integer b) {
if (this.b.equals(b)) return this;
Integer newValue = Preconditions.checkNotNull(b, "b");
return new ImmutableSub1(this.a, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableSub1} that have equal attribute values.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(@Nullable Object another) {
if (this == another) return true;
return another instanceof ImmutableSub1
&& equalTo((ImmutableSub1) another);
}
private boolean equalTo(ImmutableSub1 another) {
return a.equals(another.a)
&& b.equals(another.b);
}
/**
* Computes a hash code from attributes: {@code a}, {@code b}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 31;
h = h * 17 + a.hashCode();
h = h * 17 + b.hashCode();
return h;
}
/**
* Prints the immutable value {@code Sub1} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("Sub1")
.omitNullValues()
.add("a", a)
.add("b", b)
.toString();
}
/**
* Creates an immutable copy of a {@link GenericInheritence.Sub1} value.
* Uses accessors to get values to initialize the new immutable instance.
* If an instance is already immutable, it is returned as is.
* @param instance The instance to copy
* @return A copied immutable Sub1 instance
*/
public static ImmutableSub1 copyOf(GenericInheritence.Sub1 instance) {
if (instance instanceof ImmutableSub1) {
return (ImmutableSub1) instance;
}
return ImmutableSub1.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableSub1 ImmutableSub1}.
* @return A new ImmutableSub1 builder
*/
public static ImmutableSub1.Builder builder() {
return new ImmutableSub1.Builder();
}
/**
* Builds instances of type {@link ImmutableSub1 ImmutableSub1}.
* 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.
*/
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_A = 0x1L;
private static final long INIT_BIT_B = 0x2L;
private long initBits = 0x3L;
private @Nullable String a;
private @Nullable Integer b;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code Sub1} 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(GenericInheritence.Sub1 instance) {
Preconditions.checkNotNull(instance, "instance");
a(instance.a());
b(instance.b());
return this;
}
/**
* Initializes the value for the {@link GenericInheritence.Sub1#a() a} attribute.
* @param a The value for a
* @return {@code this} builder for use in a chained invocation
*/
public final Builder a(String a) {
this.a = Preconditions.checkNotNull(a, "a");
initBits &= ~INIT_BIT_A;
return this;
}
/**
* Initializes the value for the {@link GenericInheritence.Sub1#b() b} attribute.
* @param b The value for b
* @return {@code this} builder for use in a chained invocation
*/
public final Builder b(Integer b) {
this.b = Preconditions.checkNotNull(b, "b");
initBits &= ~INIT_BIT_B;
return this;
}
/**
* Builds a new {@link ImmutableSub1 ImmutableSub1}.
* @return An immutable instance of Sub1
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableSub1 build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableSub1(a, b);
}
private String formatRequiredAttributesMessage() {
List attributes = Lists.newArrayList();
if ((initBits & INIT_BIT_A) != 0) attributes.add("a");
if ((initBits & INIT_BIT_B) != 0) attributes.add("b");
return "Cannot build Sub1, some of required attributes are not set " + attributes;
}
}
}