org.mandas.docker.client.messages.swarm.ImmutableEngineConfig 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.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import org.mandas.docker.Nullable;
/**
* Immutable implementation of {@link EngineConfig}.
*
* Use the builder to create immutable instances:
* {@code ImmutableEngineConfig.builder()}.
*/
@SuppressWarnings({"all"})
final class ImmutableEngineConfig implements EngineConfig {
private final String engineVersion;
private final @Nullable Map labels;
private final @Nullable List plugins;
private ImmutableEngineConfig(
String engineVersion,
@Nullable Map labels,
@Nullable List plugins) {
this.engineVersion = engineVersion;
this.labels = labels;
this.plugins = plugins;
}
/**
* @return The value of the {@code engineVersion} attribute
*/
@JsonProperty("EngineVersion")
@Override
public String engineVersion() {
return engineVersion;
}
/**
* @return The value of the {@code labels} attribute
*/
@JsonProperty("Labels")
@Override
public @Nullable Map labels() {
return labels;
}
/**
* @return The value of the {@code plugins} attribute
*/
@JsonProperty("Plugins")
@Override
public @Nullable List plugins() {
return plugins;
}
/**
* Copy the current immutable object by setting a value for the {@link EngineConfig#engineVersion() engineVersion} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for engineVersion
* @return A modified copy of the {@code this} object
*/
public final ImmutableEngineConfig withEngineVersion(String value) {
String newValue = Objects.requireNonNull(value, "engineVersion");
if (this.engineVersion.equals(newValue)) return this;
return new ImmutableEngineConfig(newValue, this.labels, this.plugins);
}
/**
* Copy the current immutable object by replacing the {@link EngineConfig#labels() labels} map with the specified map.
* Nulls are not permitted as keys or values.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param entries The entries to be added to the labels map
* @return A modified copy of {@code this} object
*/
public final ImmutableEngineConfig withLabels(@Nullable Map entries) {
if (this.labels == entries) return this;
@Nullable Map newValue = entries == null ? null : createUnmodifiableMap(true, false, entries);
return new ImmutableEngineConfig(this.engineVersion, newValue, this.plugins);
}
/**
* Copy the current immutable object with elements that replace the content of {@link EngineConfig#plugins() plugins}.
* @param elements The elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableEngineConfig withPlugins(@Nullable EnginePlugin... elements) {
if (elements == null) {
return new ImmutableEngineConfig(this.engineVersion, this.labels, null);
}
@Nullable List newValue = Arrays.asList(elements) == null ? null : createUnmodifiableList(false, createSafeList(Arrays.asList(elements), true, false));
return new ImmutableEngineConfig(this.engineVersion, this.labels, newValue);
}
/**
* Copy the current immutable object with elements that replace the content of {@link EngineConfig#plugins() plugins}.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param elements An iterable of plugins elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableEngineConfig withPlugins(@Nullable Iterable elements) {
if (this.plugins == elements) return this;
@Nullable List newValue = elements == null ? null : createUnmodifiableList(false, createSafeList(elements, true, false));
return new ImmutableEngineConfig(this.engineVersion, this.labels, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableEngineConfig} 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 ImmutableEngineConfig
&& equalTo(0, (ImmutableEngineConfig) another);
}
private boolean equalTo(int synthetic, ImmutableEngineConfig another) {
return engineVersion.equals(another.engineVersion)
&& Objects.equals(labels, another.labels)
&& Objects.equals(plugins, another.plugins);
}
/**
* Computes a hash code from attributes: {@code engineVersion}, {@code labels}, {@code plugins}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + engineVersion.hashCode();
h += (h << 5) + Objects.hashCode(labels);
h += (h << 5) + Objects.hashCode(plugins);
return h;
}
/**
* Prints the immutable value {@code EngineConfig} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "EngineConfig{"
+ "engineVersion=" + engineVersion
+ ", labels=" + labels
+ ", plugins=" + plugins
+ "}";
}
/**
* Creates an immutable copy of a {@link EngineConfig} 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 EngineConfig instance
*/
public static ImmutableEngineConfig copyOf(EngineConfig instance) {
if (instance instanceof ImmutableEngineConfig) {
return (ImmutableEngineConfig) instance;
}
return ImmutableEngineConfig.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableEngineConfig ImmutableEngineConfig}.
*
* ImmutableEngineConfig.builder()
* .engineVersion(String) // required {@link EngineConfig#engineVersion() engineVersion}
* .labels(Map<String, String> | null) // nullable {@link EngineConfig#labels() labels}
* .plugins(List<org.mandas.docker.client.messages.swarm.EnginePlugin> | null) // nullable {@link EngineConfig#plugins() plugins}
* .build();
*
* @return A new ImmutableEngineConfig builder
*/
public static ImmutableEngineConfig.Builder builder() {
return new ImmutableEngineConfig.Builder();
}
/**
* Builds instances of type {@link ImmutableEngineConfig ImmutableEngineConfig}.
* 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 static final long INIT_BIT_ENGINE_VERSION = 0x1L;
private long initBits = 0x1L;
private String engineVersion;
private Map labels = null;
private List plugins = null;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code EngineConfig} 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(EngineConfig instance) {
Objects.requireNonNull(instance, "instance");
engineVersion(instance.engineVersion());
@Nullable Map labelsValue = instance.labels();
if (labelsValue != null) {
putAllLabels(labelsValue);
}
@Nullable List pluginsValue = instance.plugins();
if (pluginsValue != null) {
addAllPlugins(pluginsValue);
}
return this;
}
/**
* Initializes the value for the {@link EngineConfig#engineVersion() engineVersion} attribute.
* @param engineVersion The value for engineVersion
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("EngineVersion")
public final Builder engineVersion(String engineVersion) {
this.engineVersion = Objects.requireNonNull(engineVersion, "engineVersion");
initBits &= ~INIT_BIT_ENGINE_VERSION;
return this;
}
/**
* Put one entry to the {@link EngineConfig#labels() labels} map.
* @param key The key in the labels map
* @param value The associated value in the labels map
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addLabel(String key, String value) {
if (this.labels == null) {
this.labels = new LinkedHashMap();
}
this.labels.put(
Objects.requireNonNull(key, "labels key"),
Objects.requireNonNull(value, value == null ? "labels value for key: " + key : null));
return this;
}
/**
* Put one entry to the {@link EngineConfig#labels() labels} map. Nulls are not permitted
* @param entry The key and value entry
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addLabel(Map.Entry entry) {
if (this.labels == null) {
this.labels = new LinkedHashMap();
}
String k = entry.getKey();
String v = entry.getValue();
this.labels.put(
Objects.requireNonNull(k, "labels key"),
Objects.requireNonNull(v, v == null ? "labels value for key: " + k : null));
return this;
}
/**
* Sets or replaces all mappings from the specified map as entries for the {@link EngineConfig#labels() labels} map. Nulls are not permitted as keys or values, but parameter itself can be null
* @param entries The entries that will be added to the labels map
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Labels")
public final Builder labels(@Nullable Map entries) {
if (entries == null) {
this.labels = null;
return this;
}
this.labels = new LinkedHashMap();
return putAllLabels(entries);
}
/**
* Put all mappings from the specified map as entries to {@link EngineConfig#labels() labels} map. Nulls are not permitted
* @param entries The entries that will be added to the labels map
* @return {@code this} builder for use in a chained invocation
*/
public final Builder putAllLabels(Map entries) {
if (this.labels == null) {
this.labels = new LinkedHashMap();
}
for (Map.Entry e : entries.entrySet()) {
String k = e.getKey();
String v = e.getValue();
this.labels.put(
Objects.requireNonNull(k, "labels key"),
Objects.requireNonNull(v, v == null ? "labels value for key: " + k : null));
}
return this;
}
/**
* Adds one element to {@link EngineConfig#plugins() plugins} list.
* @param element A plugins element
* @return {@code this} builder for use in a chained invocation
*/
public final Builder plugin(EnginePlugin element) {
if (this.plugins == null) {
this.plugins = new ArrayList();
}
this.plugins.add(Objects.requireNonNull(element, "plugins element"));
return this;
}
/**
* Adds elements to {@link EngineConfig#plugins() plugins} list.
* @param elements An array of plugins elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder plugins(EnginePlugin... elements) {
if (this.plugins == null) {
this.plugins = new ArrayList();
}
for (EnginePlugin element : elements) {
this.plugins.add(Objects.requireNonNull(element, "plugins element"));
}
return this;
}
/**
* Sets or replaces all elements for {@link EngineConfig#plugins() plugins} list.
* @param elements An iterable of plugins elements
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Plugins")
public final Builder plugins(@Nullable Iterable elements) {
if (elements == null) {
this.plugins = null;
return this;
}
this.plugins = new ArrayList();
return addAllPlugins(elements);
}
/**
* Adds elements to {@link EngineConfig#plugins() plugins} list.
* @param elements An iterable of plugins elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addAllPlugins(Iterable elements) {
Objects.requireNonNull(elements, "plugins element");
if (this.plugins == null) {
this.plugins = new ArrayList();
}
for (EnginePlugin element : elements) {
this.plugins.add(Objects.requireNonNull(element, "plugins element"));
}
return this;
}
/**
* Builds a new {@link ImmutableEngineConfig ImmutableEngineConfig}.
* @return An immutable instance of EngineConfig
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableEngineConfig build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableEngineConfig(
engineVersion,
labels == null ? null : createUnmodifiableMap(false, false, labels),
plugins == null ? null : createUnmodifiableList(true, plugins));
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_ENGINE_VERSION) != 0) attributes.add("engineVersion");
return "Cannot build EngineConfig, some of required attributes are not set " + attributes;
}
}
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);
}
}
}
private static Map createUnmodifiableMap(boolean checkNulls, boolean skipNulls, Map map) {
switch (map.size()) {
case 0: return Collections.emptyMap();
case 1: {
Map.Entry e = map.entrySet().iterator().next();
K k = e.getKey();
V v = e.getValue();
if (checkNulls) {
Objects.requireNonNull(k, "key");
Objects.requireNonNull(v, v == null ? "value for key: " + k : null);
}
if (skipNulls && (k == null || v == null)) {
return Collections.emptyMap();
}
return Collections.singletonMap(k, v);
}
default: {
Map linkedMap = new LinkedHashMap<>(map.size() * 4 / 3 + 1);
if (skipNulls || checkNulls) {
for (Map.Entry e : map.entrySet()) {
K k = e.getKey();
V v = e.getValue();
if (skipNulls) {
if (k == null || v == null) continue;
} else if (checkNulls) {
Objects.requireNonNull(k, "key");
Objects.requireNonNull(v, v == null ? "value for key: " + k : null);
}
linkedMap.put(k, v);
}
} else {
linkedMap.putAll(map);
}
return Collections.unmodifiableMap(linkedMap);
}
}
}
}