org.mandas.docker.client.messages.swarm.ImmutablePlacement 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 Placement}.
*
* Use the builder to create immutable instances:
* {@code ImmutablePlacement.builder()}.
*/
@SuppressWarnings({"all"})
final class ImmutablePlacement implements Placement {
private final @Nullable List constraints;
private final @Nullable List preferences;
private final @Nullable Integer maxReplicas;
private ImmutablePlacement(
@Nullable List constraints,
@Nullable List preferences,
@Nullable Integer maxReplicas) {
this.constraints = constraints;
this.preferences = preferences;
this.maxReplicas = maxReplicas;
}
/**
* @return The value of the {@code constraints} attribute
*/
@JsonProperty("Constraints")
@Override
public @Nullable List constraints() {
return constraints;
}
/**
* @return The value of the {@code preferences} attribute
*/
@JsonProperty("Preferences")
@Override
public @Nullable List preferences() {
return preferences;
}
/**
* @return The value of the {@code maxReplicas} attribute
*/
@JsonProperty("MaxReplicas")
@Override
public @Nullable Integer maxReplicas() {
return maxReplicas;
}
/**
* Copy the current immutable object with elements that replace the content of {@link Placement#constraints() constraints}.
* @param elements The elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutablePlacement withConstraints(@Nullable String... elements) {
if (elements == null) {
return new ImmutablePlacement(null, this.preferences, this.maxReplicas);
}
@Nullable List newValue = Arrays.asList(elements) == null ? null : createUnmodifiableList(false, createSafeList(Arrays.asList(elements), true, false));
return new ImmutablePlacement(newValue, this.preferences, this.maxReplicas);
}
/**
* Copy the current immutable object with elements that replace the content of {@link Placement#constraints() constraints}.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param elements An iterable of constraints elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutablePlacement withConstraints(@Nullable Iterable elements) {
if (this.constraints == elements) return this;
@Nullable List newValue = elements == null ? null : createUnmodifiableList(false, createSafeList(elements, true, false));
return new ImmutablePlacement(newValue, this.preferences, this.maxReplicas);
}
/**
* Copy the current immutable object with elements that replace the content of {@link Placement#preferences() preferences}.
* @param elements The elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutablePlacement withPreferences(@Nullable Preference... elements) {
if (elements == null) {
return new ImmutablePlacement(this.constraints, null, this.maxReplicas);
}
@Nullable List newValue = Arrays.asList(elements) == null ? null : createUnmodifiableList(false, createSafeList(Arrays.asList(elements), true, false));
return new ImmutablePlacement(this.constraints, newValue, this.maxReplicas);
}
/**
* Copy the current immutable object with elements that replace the content of {@link Placement#preferences() preferences}.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param elements An iterable of preferences elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutablePlacement withPreferences(@Nullable Iterable elements) {
if (this.preferences == elements) return this;
@Nullable List newValue = elements == null ? null : createUnmodifiableList(false, createSafeList(elements, true, false));
return new ImmutablePlacement(this.constraints, newValue, this.maxReplicas);
}
/**
* Copy the current immutable object by setting a value for the {@link Placement#maxReplicas() maxReplicas} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for maxReplicas (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutablePlacement withMaxReplicas(@Nullable Integer value) {
if (Objects.equals(this.maxReplicas, value)) return this;
return new ImmutablePlacement(this.constraints, this.preferences, value);
}
/**
* This instance is equal to all instances of {@code ImmutablePlacement} 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 ImmutablePlacement
&& equalTo(0, (ImmutablePlacement) another);
}
private boolean equalTo(int synthetic, ImmutablePlacement another) {
return Objects.equals(constraints, another.constraints)
&& Objects.equals(preferences, another.preferences)
&& Objects.equals(maxReplicas, another.maxReplicas);
}
/**
* Computes a hash code from attributes: {@code constraints}, {@code preferences}, {@code maxReplicas}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + Objects.hashCode(constraints);
h += (h << 5) + Objects.hashCode(preferences);
h += (h << 5) + Objects.hashCode(maxReplicas);
return h;
}
/**
* Prints the immutable value {@code Placement} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "Placement{"
+ "constraints=" + constraints
+ ", preferences=" + preferences
+ ", maxReplicas=" + maxReplicas
+ "}";
}
/**
* Creates an immutable copy of a {@link Placement} 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 Placement instance
*/
public static ImmutablePlacement copyOf(Placement instance) {
if (instance instanceof ImmutablePlacement) {
return (ImmutablePlacement) instance;
}
return ImmutablePlacement.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutablePlacement ImmutablePlacement}.
*
* ImmutablePlacement.builder()
* .constraints(List<String> | null) // nullable {@link Placement#constraints() constraints}
* .preferences(List<org.mandas.docker.client.messages.swarm.Preference> | null) // nullable {@link Placement#preferences() preferences}
* .maxReplicas(Integer | null) // nullable {@link Placement#maxReplicas() maxReplicas}
* .build();
*
* @return A new ImmutablePlacement builder
*/
public static ImmutablePlacement.Builder builder() {
return new ImmutablePlacement.Builder();
}
/**
* Builds instances of type {@link ImmutablePlacement ImmutablePlacement}.
* 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 {
private List constraints = null;
private List preferences = null;
private Integer maxReplicas;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code Placement} 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(Placement instance) {
Objects.requireNonNull(instance, "instance");
@Nullable List constraintsValue = instance.constraints();
if (constraintsValue != null) {
addAllConstraints(constraintsValue);
}
@Nullable List preferencesValue = instance.preferences();
if (preferencesValue != null) {
addAllPreferences(preferencesValue);
}
@Nullable Integer maxReplicasValue = instance.maxReplicas();
if (maxReplicasValue != null) {
maxReplicas(maxReplicasValue);
}
return this;
}
/**
* Adds one element to {@link Placement#constraints() constraints} list.
* @param element A constraints element
* @return {@code this} builder for use in a chained invocation
*/
public final Builder constraint(String element) {
if (this.constraints == null) {
this.constraints = new ArrayList();
}
this.constraints.add(Objects.requireNonNull(element, "constraints element"));
return this;
}
/**
* Adds elements to {@link Placement#constraints() constraints} list.
* @param elements An array of constraints elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder constraints(String... elements) {
if (this.constraints == null) {
this.constraints = new ArrayList();
}
for (String element : elements) {
this.constraints.add(Objects.requireNonNull(element, "constraints element"));
}
return this;
}
/**
* Sets or replaces all elements for {@link Placement#constraints() constraints} list.
* @param elements An iterable of constraints elements
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Constraints")
public final Builder constraints(@Nullable Iterable elements) {
if (elements == null) {
this.constraints = null;
return this;
}
this.constraints = new ArrayList();
return addAllConstraints(elements);
}
/**
* Adds elements to {@link Placement#constraints() constraints} list.
* @param elements An iterable of constraints elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addAllConstraints(Iterable elements) {
Objects.requireNonNull(elements, "constraints element");
if (this.constraints == null) {
this.constraints = new ArrayList();
}
for (String element : elements) {
this.constraints.add(Objects.requireNonNull(element, "constraints element"));
}
return this;
}
/**
* Adds one element to {@link Placement#preferences() preferences} list.
* @param element A preferences element
* @return {@code this} builder for use in a chained invocation
*/
public final Builder preference(Preference element) {
if (this.preferences == null) {
this.preferences = new ArrayList();
}
this.preferences.add(Objects.requireNonNull(element, "preferences element"));
return this;
}
/**
* Adds elements to {@link Placement#preferences() preferences} list.
* @param elements An array of preferences elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder preferences(Preference... elements) {
if (this.preferences == null) {
this.preferences = new ArrayList();
}
for (Preference element : elements) {
this.preferences.add(Objects.requireNonNull(element, "preferences element"));
}
return this;
}
/**
* Sets or replaces all elements for {@link Placement#preferences() preferences} list.
* @param elements An iterable of preferences elements
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Preferences")
public final Builder preferences(@Nullable Iterable elements) {
if (elements == null) {
this.preferences = null;
return this;
}
this.preferences = new ArrayList();
return addAllPreferences(elements);
}
/**
* Adds elements to {@link Placement#preferences() preferences} list.
* @param elements An iterable of preferences elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addAllPreferences(Iterable elements) {
Objects.requireNonNull(elements, "preferences element");
if (this.preferences == null) {
this.preferences = new ArrayList();
}
for (Preference element : elements) {
this.preferences.add(Objects.requireNonNull(element, "preferences element"));
}
return this;
}
/**
* Initializes the value for the {@link Placement#maxReplicas() maxReplicas} attribute.
* @param maxReplicas The value for maxReplicas (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("MaxReplicas")
public final Builder maxReplicas(@Nullable Integer maxReplicas) {
this.maxReplicas = maxReplicas;
return this;
}
/**
* Builds a new {@link ImmutablePlacement ImmutablePlacement}.
* @return An immutable instance of Placement
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutablePlacement build() {
return new ImmutablePlacement(
constraints == null ? null : createUnmodifiableList(true, constraints),
preferences == null ? null : createUnmodifiableList(true, preferences),
maxReplicas);
}
}
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);
}
}
}
}