de.flapdoodle.embed.process.transitions.ImmutablePackageOfDistribution Maven / Gradle / Ivy
package de.flapdoodle.embed.process.transitions;
import de.flapdoodle.embed.process.config.store.Package;
import de.flapdoodle.embed.process.distribution.Distribution;
import de.flapdoodle.embed.process.distribution.PackageResolver;
import de.flapdoodle.reverse.StateID;
import de.flapdoodle.reverse.naming.HasLabel;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
/**
* Immutable implementation of {@link PackageOfDistribution}.
*
* Use the builder to create immutable instances:
* {@code ImmutablePackageOfDistribution.builder()}.
*/
@SuppressWarnings({"all"})
public final class ImmutablePackageOfDistribution
extends PackageOfDistribution {
private final String transitionLabel;
private final PackageResolver packageResolver;
private final StateID distribution;
private final StateID destination;
private ImmutablePackageOfDistribution(ImmutablePackageOfDistribution.Builder builder) {
this.packageResolver = builder.packageResolver;
if (builder.transitionLabel != null) {
initShim.transitionLabel(builder.transitionLabel);
}
if (builder.distribution != null) {
initShim.distribution(builder.distribution);
}
if (builder.destination != null) {
initShim.destination(builder.destination);
}
this.transitionLabel = initShim.transitionLabel();
this.distribution = initShim.distribution();
this.destination = initShim.destination();
this.initShim = null;
}
private ImmutablePackageOfDistribution(
String transitionLabel,
PackageResolver packageResolver,
StateID distribution,
StateID destination) {
this.transitionLabel = transitionLabel;
this.packageResolver = packageResolver;
this.distribution = distribution;
this.destination = destination;
this.initShim = null;
}
private static final byte STAGE_INITIALIZING = -1;
private static final byte STAGE_UNINITIALIZED = 0;
private static final byte STAGE_INITIALIZED = 1;
private transient volatile InitShim initShim = new InitShim();
private final class InitShim {
private byte transitionLabelBuildStage = STAGE_UNINITIALIZED;
private String transitionLabel;
String transitionLabel() {
if (transitionLabelBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (transitionLabelBuildStage == STAGE_UNINITIALIZED) {
transitionLabelBuildStage = STAGE_INITIALIZING;
this.transitionLabel = Objects.requireNonNull(ImmutablePackageOfDistribution.super.transitionLabel(), "transitionLabel");
transitionLabelBuildStage = STAGE_INITIALIZED;
}
return this.transitionLabel;
}
void transitionLabel(String transitionLabel) {
this.transitionLabel = transitionLabel;
transitionLabelBuildStage = STAGE_INITIALIZED;
}
private byte distributionBuildStage = STAGE_UNINITIALIZED;
private StateID distribution;
StateID distribution() {
if (distributionBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (distributionBuildStage == STAGE_UNINITIALIZED) {
distributionBuildStage = STAGE_INITIALIZING;
this.distribution = Objects.requireNonNull(ImmutablePackageOfDistribution.super.distribution(), "distribution");
distributionBuildStage = STAGE_INITIALIZED;
}
return this.distribution;
}
void distribution(StateID distribution) {
this.distribution = distribution;
distributionBuildStage = STAGE_INITIALIZED;
}
private byte destinationBuildStage = STAGE_UNINITIALIZED;
private StateID destination;
StateID destination() {
if (destinationBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (destinationBuildStage == STAGE_UNINITIALIZED) {
destinationBuildStage = STAGE_INITIALIZING;
this.destination = Objects.requireNonNull(ImmutablePackageOfDistribution.super.destination(), "destination");
destinationBuildStage = STAGE_INITIALIZED;
}
return this.destination;
}
void destination(StateID destination) {
this.destination = destination;
destinationBuildStage = STAGE_INITIALIZED;
}
private String formatInitCycleMessage() {
List attributes = new ArrayList<>();
if (transitionLabelBuildStage == STAGE_INITIALIZING) attributes.add("transitionLabel");
if (distributionBuildStage == STAGE_INITIALIZING) attributes.add("distribution");
if (destinationBuildStage == STAGE_INITIALIZING) attributes.add("destination");
return "Cannot build PackageOfDistribution, attribute initializers form cycle " + attributes;
}
}
/**
* @return The value of the {@code transitionLabel} attribute
*/
@Override
public String transitionLabel() {
InitShim shim = this.initShim;
return shim != null
? shim.transitionLabel()
: this.transitionLabel;
}
/**
* @return The value of the {@code packageResolver} attribute
*/
@Override
protected PackageResolver packageResolver() {
return packageResolver;
}
/**
* @return The value of the {@code distribution} attribute
*/
@Override
protected StateID distribution() {
InitShim shim = this.initShim;
return shim != null
? shim.distribution()
: this.distribution;
}
/**
* @return The value of the {@code destination} attribute
*/
@Override
public StateID destination() {
InitShim shim = this.initShim;
return shim != null
? shim.destination()
: this.destination;
}
/**
* Copy the current immutable object by setting a value for the {@link PackageOfDistribution#transitionLabel() transitionLabel} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for transitionLabel
* @return A modified copy of the {@code this} object
*/
public final ImmutablePackageOfDistribution withTransitionLabel(String value) {
String newValue = Objects.requireNonNull(value, "transitionLabel");
if (this.transitionLabel.equals(newValue)) return this;
return new ImmutablePackageOfDistribution(newValue, this.packageResolver, this.distribution, this.destination);
}
/**
* Copy the current immutable object by setting a value for the {@link PackageOfDistribution#packageResolver() packageResolver} 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 packageResolver
* @return A modified copy of the {@code this} object
*/
public final ImmutablePackageOfDistribution withPackageResolver(PackageResolver value) {
if (this.packageResolver == value) return this;
PackageResolver newValue = Objects.requireNonNull(value, "packageResolver");
return new ImmutablePackageOfDistribution(this.transitionLabel, newValue, this.distribution, this.destination);
}
/**
* Copy the current immutable object by setting a value for the {@link PackageOfDistribution#distribution() distribution} 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 distribution
* @return A modified copy of the {@code this} object
*/
public final ImmutablePackageOfDistribution withDistribution(StateID value) {
if (this.distribution == value) return this;
StateID newValue = Objects.requireNonNull(value, "distribution");
return new ImmutablePackageOfDistribution(this.transitionLabel, this.packageResolver, newValue, this.destination);
}
/**
* Copy the current immutable object by setting a value for the {@link PackageOfDistribution#destination() destination} 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 destination
* @return A modified copy of the {@code this} object
*/
public final ImmutablePackageOfDistribution withDestination(StateID value) {
if (this.destination == value) return this;
StateID newValue = Objects.requireNonNull(value, "destination");
return new ImmutablePackageOfDistribution(this.transitionLabel, this.packageResolver, this.distribution, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutablePackageOfDistribution} 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 ImmutablePackageOfDistribution
&& equalTo(0, (ImmutablePackageOfDistribution) another);
}
private boolean equalTo(int synthetic, ImmutablePackageOfDistribution another) {
return transitionLabel.equals(another.transitionLabel)
&& packageResolver.equals(another.packageResolver)
&& distribution.equals(another.distribution)
&& destination.equals(another.destination);
}
/**
* Computes a hash code from attributes: {@code transitionLabel}, {@code packageResolver}, {@code distribution}, {@code destination}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + transitionLabel.hashCode();
h += (h << 5) + packageResolver.hashCode();
h += (h << 5) + distribution.hashCode();
h += (h << 5) + destination.hashCode();
return h;
}
/**
* Prints the immutable value {@code PackageOfDistribution} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "PackageOfDistribution{"
+ "transitionLabel=" + transitionLabel
+ ", packageResolver=" + packageResolver
+ ", distribution=" + distribution
+ ", destination=" + destination
+ "}";
}
/**
* Creates an immutable copy of a {@link PackageOfDistribution} 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 PackageOfDistribution instance
*/
public static ImmutablePackageOfDistribution copyOf(PackageOfDistribution instance) {
if (instance instanceof ImmutablePackageOfDistribution) {
return (ImmutablePackageOfDistribution) instance;
}
return ImmutablePackageOfDistribution.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutablePackageOfDistribution ImmutablePackageOfDistribution}.
*
* ImmutablePackageOfDistribution.builder()
* .transitionLabel(String) // optional {@link PackageOfDistribution#transitionLabel() transitionLabel}
* .packageResolver(de.flapdoodle.embed.process.distribution.PackageResolver) // required {@link PackageOfDistribution#packageResolver() packageResolver}
* .distribution(de.flapdoodle.reverse.StateID<de.flapdoodle.embed.process.distribution.Distribution>) // optional {@link PackageOfDistribution#distribution() distribution}
* .destination(de.flapdoodle.reverse.StateID<de.flapdoodle.embed.process.config.store.Package>) // optional {@link PackageOfDistribution#destination() destination}
* .build();
*
* @return A new ImmutablePackageOfDistribution builder
*/
public static ImmutablePackageOfDistribution.Builder builder() {
return new ImmutablePackageOfDistribution.Builder();
}
/**
* Builds instances of type {@link ImmutablePackageOfDistribution ImmutablePackageOfDistribution}.
* 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.
*/
public static final class Builder {
private static final long INIT_BIT_PACKAGE_RESOLVER = 0x1L;
private long initBits = 0x1L;
private String transitionLabel;
private PackageResolver packageResolver;
private StateID distribution;
private StateID destination;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code de.flapdoodle.embed.process.transitions.PackageOfDistribution} instance.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(PackageOfDistribution instance) {
Objects.requireNonNull(instance, "instance");
from((short) 0, (Object) instance);
return this;
}
/**
* Fill a builder with attribute values from the provided {@code de.flapdoodle.reverse.naming.HasLabel} instance.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(HasLabel instance) {
Objects.requireNonNull(instance, "instance");
from((short) 0, (Object) instance);
return this;
}
private void from(short _unused, Object object) {
long bits = 0;
if (object instanceof PackageOfDistribution) {
PackageOfDistribution instance = (PackageOfDistribution) object;
this.destination(instance.destination());
this.distribution(instance.distribution());
this.packageResolver(instance.packageResolver());
if ((bits & 0x1L) == 0) {
this.transitionLabel(instance.transitionLabel());
bits |= 0x1L;
}
}
if (object instanceof HasLabel) {
HasLabel instance = (HasLabel) object;
if ((bits & 0x1L) == 0) {
this.transitionLabel(instance.transitionLabel());
bits |= 0x1L;
}
}
}
/**
* Initializes the value for the {@link PackageOfDistribution#transitionLabel() transitionLabel} attribute.
* If not set, this attribute will have a default value as returned by the initializer of {@link PackageOfDistribution#transitionLabel() transitionLabel}.
* @param transitionLabel The value for transitionLabel
* @return {@code this} builder for use in a chained invocation
*/
public final Builder transitionLabel(String transitionLabel) {
this.transitionLabel = Objects.requireNonNull(transitionLabel, "transitionLabel");
return this;
}
/**
* Initializes the value for the {@link PackageOfDistribution#packageResolver() packageResolver} attribute.
* @param packageResolver The value for packageResolver
* @return {@code this} builder for use in a chained invocation
*/
public final Builder packageResolver(PackageResolver packageResolver) {
this.packageResolver = Objects.requireNonNull(packageResolver, "packageResolver");
initBits &= ~INIT_BIT_PACKAGE_RESOLVER;
return this;
}
/**
* Initializes the value for the {@link PackageOfDistribution#distribution() distribution} attribute.
*
If not set, this attribute will have a default value as returned by the initializer of {@link PackageOfDistribution#distribution() distribution}.
* @param distribution The value for distribution
* @return {@code this} builder for use in a chained invocation
*/
public final Builder distribution(StateID distribution) {
this.distribution = Objects.requireNonNull(distribution, "distribution");
return this;
}
/**
* Initializes the value for the {@link PackageOfDistribution#destination() destination} attribute.
* If not set, this attribute will have a default value as returned by the initializer of {@link PackageOfDistribution#destination() destination}.
* @param destination The value for destination
* @return {@code this} builder for use in a chained invocation
*/
public final Builder destination(StateID destination) {
this.destination = Objects.requireNonNull(destination, "destination");
return this;
}
/**
* Builds a new {@link ImmutablePackageOfDistribution ImmutablePackageOfDistribution}.
* @return An immutable instance of PackageOfDistribution
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutablePackageOfDistribution build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutablePackageOfDistribution(this);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_PACKAGE_RESOLVER) != 0) attributes.add("packageResolver");
return "Cannot build PackageOfDistribution, some of required attributes are not set " + attributes;
}
}
}