org.immutables.fixture.style.ImRev Maven / Gradle / Ivy
package org.immutables.fixture.style;
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 Constr.Rev}.
*
* Use the builder to create immutable instances:
* {@code ImRev.builder()}.
* Use the static factory method to create immutable instances:
* {@code new ImRev()}.
*/
@SuppressWarnings("all")
@ParametersAreNonnullByDefault
@Generated({"Immutables.generator", "Constr.Rev"})
@Immutable
public final class ImRev implements Constr.Rev {
private final int major;
private final int minor;
/**
* Construct a new immutable {@code Rev} instance.
* @param major The value for the {@code major} attribute
* @param minor The value for the {@code minor} attribute
*/
public ImRev(int major, int minor) {
this.major = major;
this.minor = minor;
}
/**
* @return The value of the {@code major} attribute
*/
@Override
public int major() {
return major;
}
/**
* @return The value of the {@code minor} attribute
*/
@Override
public int minor() {
return minor;
}
/**
* Copy the current immutable object by setting a value for the {@link Constr.Rev#major() major} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param major A new value for major
* @return A modified copy of the {@code this} object
*/
public final ImRev withMajor(int major) {
if (this.major == major) return this;
return new ImRev(major, this.minor);
}
/**
* Copy the current immutable object by setting a value for the {@link Constr.Rev#minor() minor} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param minor A new value for minor
* @return A modified copy of the {@code this} object
*/
public final ImRev withMinor(int minor) {
if (this.minor == minor) return this;
return new ImRev(this.major, minor);
}
/**
* This instance is equal to all instances of {@code ImRev} 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 ImRev
&& equalTo((ImRev) another);
}
private boolean equalTo(ImRev another) {
return major == another.major
&& minor == another.minor;
}
/**
* Computes a hash code from attributes: {@code major}, {@code minor}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 31;
h = h * 17 + major;
h = h * 17 + minor;
return h;
}
/**
* Prints the immutable value {@code Rev} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("Rev")
.omitNullValues()
.add("major", major)
.add("minor", minor)
.toString();
}
/**
* Creates an immutable copy of a {@link Constr.Rev} 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 Rev instance
*/
public static ImRev copyOf(Constr.Rev instance) {
if (instance instanceof ImRev) {
return (ImRev) instance;
}
return ImRev.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImRev ImRev}.
* @return A new ImRev builder
*/
public static ImRev.Builder builder() {
return new ImRev.Builder();
}
/**
* Builds instances of type {@link ImRev ImRev}.
* 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_MAJOR = 0x1L;
private static final long INIT_BIT_MINOR = 0x2L;
private long initBits = 0x3L;
private int major;
private int minor;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code Rev} 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(Constr.Rev instance) {
Preconditions.checkNotNull(instance, "instance");
major(instance.major());
minor(instance.minor());
return this;
}
/**
* Initializes the value for the {@link Constr.Rev#major() major} attribute.
* @param major The value for major
* @return {@code this} builder for use in a chained invocation
*/
public final Builder major(int major) {
this.major = major;
initBits &= ~INIT_BIT_MAJOR;
return this;
}
/**
* Initializes the value for the {@link Constr.Rev#minor() minor} attribute.
* @param minor The value for minor
* @return {@code this} builder for use in a chained invocation
*/
public final Builder minor(int minor) {
this.minor = minor;
initBits &= ~INIT_BIT_MINOR;
return this;
}
/**
* Builds a new {@link ImRev ImRev}.
* @return An immutable instance of Rev
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImRev build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImRev(major, minor);
}
private String formatRequiredAttributesMessage() {
List attributes = Lists.newArrayList();
if ((initBits & INIT_BIT_MAJOR) != 0) attributes.add("major");
if ((initBits & INIT_BIT_MINOR) != 0) attributes.add("minor");
return "Cannot build Rev, some of required attributes are not set " + attributes;
}
}
}