org.immutables.fixture.style.ModifiableLightOnAnnotations Maven / Gradle / Ivy
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package org.immutables.fixture.style;
import com.google.common.base.MoreObjects;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
/**
* A modifiable implementation of the {@link LightOnAnnotations LightOnAnnotations} type.
* Use the {@link #create()} static factory methods to create new instances.
* Use the {@link #toImmutable()} method to convert to canonical immutable instances.
*
ModifiableLightOnAnnotations is not thread-safe
* @param generic parameter X
* @see ImmutableLightOnAnnotations
*/
public final class ModifiableLightOnAnnotations
implements LightOnAnnotations {
private static final long INIT_BIT_A = 0x1L;
private long initBits = 0x1L;
private int a;
private Optional x = Optional.empty();
private ModifiableLightOnAnnotations() {}
/**
* Construct a modifiable instance of {@code LightOnAnnotations}.
* @param generic parameter X
* @return A new modifiable instance
*/
public static ModifiableLightOnAnnotations create() {
return new ModifiableLightOnAnnotations<>();
}
/**
* @return value of {@code a} attribute
*/
@Override
public final int a() {
if (!aIsSet()) {
checkRequiredAttributes();
}
return a;
}
/**
* @return value of {@code x} attribute
*/
@Override
public final Optional x() {
return x;
}
/**
* Clears the object by setting all attributes to their initial values.
* @return {@code this} for use in a chained invocation
*/
public ModifiableLightOnAnnotations clear() {
initBits = 0x1L;
a = 0;
x = Optional.empty();
return this;
}
/**
* Fill this modifiable instance with attribute values from the provided {@link LightOnAnnotations} instance.
* Regular attribute values will be overridden, i.e. replaced with ones of an instance.
* Any of the instance's absent optional values will not be copied (will not override current values).
* @param instance The instance from which to copy values
* @return {@code this} for use in a chained invocation
*/
public ModifiableLightOnAnnotations from(LightOnAnnotations instance) {
Objects.requireNonNull(instance, "instance");
if (instance instanceof ModifiableLightOnAnnotations) {
from((ModifiableLightOnAnnotations) instance);
return this;
}
setA(instance.a());
Optional xOptional = instance.x();
if (xOptional.isPresent()) {
setX(xOptional);
}
return this;
}
/**
* Fill this modifiable instance with attribute values from the provided {@link LightOnAnnotations} instance.
* Regular attribute values will be overridden, i.e. replaced with ones of an instance.
* Any of the instance's absent optional values will not be copied (will not override current values).
* @param instance The instance from which to copy values
* @return {@code this} for use in a chained invocation
*/
public ModifiableLightOnAnnotations from(ModifiableLightOnAnnotations instance) {
Objects.requireNonNull(instance, "instance");
if (instance.aIsSet()) {
setA(instance.a());
}
Optional xOptional = instance.x();
if (xOptional.isPresent()) {
setX(xOptional);
}
return this;
}
/**
* Assigns a value to the {@link LightOnAnnotations#a() a} attribute.
* @param a The value for a
* @return {@code this} for use in a chained invocation
*/
public ModifiableLightOnAnnotations setA(int a) {
this.a = a;
initBits &= ~INIT_BIT_A;
return this;
}
/**
* Assigns a present value for the optional {@link LightOnAnnotations#x() x} attribute.
* @param x A value for x
* @return {@code this} for use in a chained invocation
*/
public ModifiableLightOnAnnotations setX(X x) {
this.x = Optional.of(x);
return this;
}
/**
* Assigns an optional value for {@link LightOnAnnotations#x() x}.
* @param x A value for x
* @return {@code this} for use in a chained invocation
*/
public ModifiableLightOnAnnotations setX(Optional x) {
this.x = Objects.requireNonNull(x, "x");
return this;
}
/**
* Returns {@code true} if the required attribute {@link LightOnAnnotations#a() a} is set.
* @return {@code true} if set
*/
public final boolean aIsSet() {
return (initBits & INIT_BIT_A) == 0;
}
/**
* Reset an attribute to its initial value.
* @return {@code this} for use in a chained invocation
*/
public final ModifiableLightOnAnnotations unsetA() {
initBits |= INIT_BIT_A;
a = 0;
return this;
}
/**
* Returns {@code true} if all required attributes are set, indicating that the object is initialized.
* @return {@code true} if set
*/
public final boolean isInitialized() {
return initBits == 0;
}
private void checkRequiredAttributes() {
if (!isInitialized()) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if (!aIsSet()) attributes.add("a");
return "LightOnAnnotations is not initialized, some of the required attributes are not set " + attributes;
}
/**
* Converts to {@link ImmutableLightOnAnnotations ImmutableLightOnAnnotations}.
* @return An immutable instance of LightOnAnnotations
*/
public final ImmutableLightOnAnnotations toImmutable() {
checkRequiredAttributes();
return ImmutableLightOnAnnotations.copyOf(this);
}
/**
* This instance is equal to all instances of {@code ModifiableLightOnAnnotations} that have equal attribute values.
* An uninitialized instance is equal only to itself.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(Object another) {
if (this == another) return true;
if (!(another instanceof ModifiableLightOnAnnotations)) return false;
ModifiableLightOnAnnotations other = (ModifiableLightOnAnnotations) another;
if (!isInitialized() || !other.isInitialized()) {
return false;
}
return equalTo(other);
}
private boolean equalTo(ModifiableLightOnAnnotations another) {
return a == another.a
&& Objects.equals(x, another.x);
}
/**
* Computes a hash code from attributes: {@code a}, {@code x}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + a;
h += (h << 5) + x.hashCode();
return h;
}
/**
* Generates a string representation of this {@code LightOnAnnotations}.
* If uninitialized, some attribute values may appear as question marks.
* @return A string representation
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("ModifiableLightOnAnnotations")
.add("a", aIsSet() ? a() : "?")
.add("x", x())
.toString();
}
}