org.mandas.docker.client.messages.swarm.ImmutableReservations Maven / Gradle / Ivy
package org.mandas.docker.client.messages.swarm;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import org.mandas.docker.Nullable;
/**
* Immutable implementation of {@link Reservations}.
*
* Use the builder to create immutable instances:
* {@code ImmutableReservations.builder()}.
*/
@SuppressWarnings({"all"})
final class ImmutableReservations implements Reservations {
private final @Nullable Long nanoCpus;
private final @Nullable Long memoryBytes;
private final @Nullable List resources;
private ImmutableReservations(
@Nullable Long nanoCpus,
@Nullable Long memoryBytes,
@Nullable List resources) {
this.nanoCpus = nanoCpus;
this.memoryBytes = memoryBytes;
this.resources = resources;
}
/**
* @return The value of the {@code nanoCpus} attribute
*/
@JsonProperty("NanoCPUs")
@Override
public @Nullable Long nanoCpus() {
return nanoCpus;
}
/**
* @return The value of the {@code memoryBytes} attribute
*/
@JsonProperty("MemoryBytes")
@Override
public @Nullable Long memoryBytes() {
return memoryBytes;
}
/**
* @return The value of the {@code resources} attribute
*/
@JsonProperty("GenericResources")
@Override
public @Nullable List resources() {
return resources;
}
/**
* Copy the current immutable object by setting a value for the {@link Reservations#nanoCpus() nanoCpus} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for nanoCpus (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutableReservations withNanoCpus(@Nullable Long value) {
if (Objects.equals(this.nanoCpus, value)) return this;
return new ImmutableReservations(value, this.memoryBytes, this.resources);
}
/**
* Copy the current immutable object by setting a value for the {@link Reservations#memoryBytes() memoryBytes} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for memoryBytes (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutableReservations withMemoryBytes(@Nullable Long value) {
if (Objects.equals(this.memoryBytes, value)) return this;
return new ImmutableReservations(this.nanoCpus, value, this.resources);
}
/**
* Copy the current immutable object with elements that replace the content of {@link Reservations#resources() resources}.
* @param elements The elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableReservations withResources(@Nullable ResourceSpec... elements) {
if (elements == null) {
return new ImmutableReservations(this.nanoCpus, this.memoryBytes, null);
}
@Nullable List newValue = Arrays.asList(elements) == null ? null : createUnmodifiableList(false, createSafeList(Arrays.asList(elements), true, false));
return new ImmutableReservations(this.nanoCpus, this.memoryBytes, newValue);
}
/**
* Copy the current immutable object with elements that replace the content of {@link Reservations#resources() resources}.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param elements An iterable of resources elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableReservations withResources(@Nullable Iterable elements) {
if (this.resources == elements) return this;
@Nullable List newValue = elements == null ? null : createUnmodifiableList(false, createSafeList(elements, true, false));
return new ImmutableReservations(this.nanoCpus, this.memoryBytes, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableReservations} 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 ImmutableReservations
&& equalTo(0, (ImmutableReservations) another);
}
private boolean equalTo(int synthetic, ImmutableReservations another) {
return Objects.equals(nanoCpus, another.nanoCpus)
&& Objects.equals(memoryBytes, another.memoryBytes)
&& Objects.equals(resources, another.resources);
}
/**
* Computes a hash code from attributes: {@code nanoCpus}, {@code memoryBytes}, {@code resources}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + Objects.hashCode(nanoCpus);
h += (h << 5) + Objects.hashCode(memoryBytes);
h += (h << 5) + Objects.hashCode(resources);
return h;
}
/**
* Prints the immutable value {@code Reservations} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "Reservations{"
+ "nanoCpus=" + nanoCpus
+ ", memoryBytes=" + memoryBytes
+ ", resources=" + resources
+ "}";
}
/**
* Creates an immutable copy of a {@link Reservations} 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 Reservations instance
*/
public static ImmutableReservations copyOf(Reservations instance) {
if (instance instanceof ImmutableReservations) {
return (ImmutableReservations) instance;
}
return ImmutableReservations.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableReservations ImmutableReservations}.
*
* ImmutableReservations.builder()
* .nanoCpus(Long | null) // nullable {@link Reservations#nanoCpus() nanoCpus}
* .memoryBytes(Long | null) // nullable {@link Reservations#memoryBytes() memoryBytes}
* .resources(List<org.mandas.docker.client.messages.swarm.ResourceSpec> | null) // nullable {@link Reservations#resources() resources}
* .build();
*
* @return A new ImmutableReservations builder
*/
public static ImmutableReservations.Builder builder() {
return new ImmutableReservations.Builder();
}
/**
* Builds instances of type {@link ImmutableReservations ImmutableReservations}.
* 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.
*/
static final class Builder implements Reservations.Builder {
private Long nanoCpus;
private Long memoryBytes;
private List resources = null;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code Reservations} instance.
* Regular attribute values will be replaced with those from the given instance.
* Absent optional values will not replace present values.
* Collection elements and entries will be added, not replaced.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(Reservations instance) {
Objects.requireNonNull(instance, "instance");
@Nullable Long nanoCpusValue = instance.nanoCpus();
if (nanoCpusValue != null) {
nanoCpus(nanoCpusValue);
}
@Nullable Long memoryBytesValue = instance.memoryBytes();
if (memoryBytesValue != null) {
memoryBytes(memoryBytesValue);
}
@Nullable List resourcesValue = instance.resources();
if (resourcesValue != null) {
addAllResources(resourcesValue);
}
return this;
}
/**
* Initializes the value for the {@link Reservations#nanoCpus() nanoCpus} attribute.
* @param nanoCpus The value for nanoCpus (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("NanoCPUs")
public final Builder nanoCpus(@Nullable Long nanoCpus) {
this.nanoCpus = nanoCpus;
return this;
}
/**
* Initializes the value for the {@link Reservations#memoryBytes() memoryBytes} attribute.
* @param memoryBytes The value for memoryBytes (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("MemoryBytes")
public final Builder memoryBytes(@Nullable Long memoryBytes) {
this.memoryBytes = memoryBytes;
return this;
}
/**
* Adds one element to {@link Reservations#resources() resources} list.
* @param element A resources element
* @return {@code this} builder for use in a chained invocation
*/
public final Builder resource(ResourceSpec element) {
if (this.resources == null) {
this.resources = new ArrayList();
}
this.resources.add(Objects.requireNonNull(element, "resources element"));
return this;
}
/**
* Adds elements to {@link Reservations#resources() resources} list.
* @param elements An array of resources elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder resources(ResourceSpec... elements) {
if (this.resources == null) {
this.resources = new ArrayList();
}
for (ResourceSpec element : elements) {
this.resources.add(Objects.requireNonNull(element, "resources element"));
}
return this;
}
/**
* Sets or replaces all elements for {@link Reservations#resources() resources} list.
* @param elements An iterable of resources elements
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("GenericResources")
public final Builder resources(@Nullable Iterable elements) {
if (elements == null) {
this.resources = null;
return this;
}
this.resources = new ArrayList();
return addAllResources(elements);
}
/**
* Adds elements to {@link Reservations#resources() resources} list.
* @param elements An iterable of resources elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addAllResources(Iterable elements) {
Objects.requireNonNull(elements, "resources element");
if (this.resources == null) {
this.resources = new ArrayList();
}
for (ResourceSpec element : elements) {
this.resources.add(Objects.requireNonNull(element, "resources element"));
}
return this;
}
/**
* Builds a new {@link ImmutableReservations ImmutableReservations}.
* @return An immutable instance of Reservations
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableReservations build() {
return new ImmutableReservations(nanoCpus, memoryBytes, resources == null ? null : createUnmodifiableList(true, resources));
}
}
private static List createSafeList(Iterable iterable, boolean checkNulls, boolean skipNulls) {
ArrayList list;
if (iterable instanceof Collection) {
int size = ((Collection) iterable).size();
if (size == 0) return Collections.emptyList();
list = new ArrayList<>(size);
} else {
list = new ArrayList<>();
}
for (T element : iterable) {
if (skipNulls && element == null) continue;
if (checkNulls) Objects.requireNonNull(element, "element");
list.add(element);
}
return list;
}
private static List createUnmodifiableList(boolean clone, List list) {
switch(list.size()) {
case 0: return Collections.emptyList();
case 1: return Collections.singletonList(list.get(0));
default:
if (clone) {
return Collections.unmodifiableList(new ArrayList<>(list));
} else {
if (list instanceof ArrayList) {
((ArrayList) list).trimToSize();
}
return Collections.unmodifiableList(list);
}
}
}
}