org.immutables.fixture.ImmutableHashCode Maven / Gradle / Ivy
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package org.immutables.fixture;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Objects;
import javax.annotation.CheckReturnValue;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link AbstractToStringHashCode.AbstractHashCode}.
*
* Use the builder to create immutable instances:
* {@code ImmutableHashCode.builder()}.
*/
@Generated(from = "AbstractToStringHashCode.AbstractHashCode", generator = "Immutables")
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@javax.annotation.processing.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
@CheckReturnValue
final class ImmutableHashCode extends AbstractToStringHashCode.AbstractHashCode {
private ImmutableHashCode(ImmutableHashCode.Builder builder) {
}
/**
* This instance is equal to all instances of {@code ImmutableHashCode} 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 ImmutableHashCode
&& equalTo(0, (ImmutableHashCode) another);
}
@SuppressWarnings("MethodCanBeStatic")
private boolean equalTo(int synthetic, ImmutableHashCode another) {
return true;
}
/**
* Returns a constant hash code value.
* @return hashCode value
*/
@Override
public int hashCode() {
return -493269367;
}
/**
* Prints the immutable value {@code HashCode}.
* @return A string representation of the value
*/
@Override
public String toString() {
return "HashCode{}";
}
/**
* Creates an immutable copy of a {@link AbstractToStringHashCode.AbstractHashCode} 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 HashCode instance
*/
public static ImmutableHashCode copyOf(AbstractToStringHashCode.AbstractHashCode instance) {
if (instance instanceof ImmutableHashCode) {
return (ImmutableHashCode) instance;
}
return ImmutableHashCode.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableHashCode ImmutableHashCode}.
*
* ImmutableHashCode.builder()
* .build();
*
* @return A new ImmutableHashCode builder
*/
public static ImmutableHashCode.Builder builder() {
return new ImmutableHashCode.Builder();
}
/**
* Builds instances of type {@link ImmutableHashCode ImmutableHashCode}.
* 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 = "AbstractToStringHashCode.AbstractHashCode", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code AbstractHashCode} 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
*/
@CanIgnoreReturnValue
public final Builder from(AbstractToStringHashCode.AbstractHashCode instance) {
Objects.requireNonNull(instance, "instance");
return this;
}
/**
* Builds a new {@link ImmutableHashCode ImmutableHashCode}.
* @return An immutable instance of HashCode
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableHashCode build() {
return new ImmutableHashCode(this);
}
}
}