org.mandas.docker.client.messages.ImmutableHealthcheck Maven / Gradle / Ivy
package org.mandas.docker.client.messages;
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 Healthcheck}.
*
* Use the builder to create immutable instances:
* {@code ImmutableHealthcheck.builder()}.
*/
@SuppressWarnings({"all"})
final class ImmutableHealthcheck implements Healthcheck {
private final @Nullable List test;
private final @Nullable Long interval;
private final @Nullable Long timeout;
private final @Nullable Integer retries;
private final @Nullable Long startPeriod;
private ImmutableHealthcheck(
@Nullable List test,
@Nullable Long interval,
@Nullable Long timeout,
@Nullable Integer retries,
@Nullable Long startPeriod) {
this.test = test;
this.interval = interval;
this.timeout = timeout;
this.retries = retries;
this.startPeriod = startPeriod;
}
/**
* @return The value of the {@code test} attribute
*/
@JsonProperty("Test")
@Override
public @Nullable List test() {
return test;
}
/**
* @return The value of the {@code interval} attribute
*/
@JsonProperty("Interval")
@Override
public @Nullable Long interval() {
return interval;
}
/**
* @return The value of the {@code timeout} attribute
*/
@JsonProperty("Timeout")
@Override
public @Nullable Long timeout() {
return timeout;
}
/**
* @return The value of the {@code retries} attribute
*/
@JsonProperty("Retries")
@Override
public @Nullable Integer retries() {
return retries;
}
/**
* @return The value of the {@code startPeriod} attribute
*/
@JsonProperty("StartPeriod")
@Override
public @Nullable Long startPeriod() {
return startPeriod;
}
/**
* Copy the current immutable object with elements that replace the content of {@link Healthcheck#test() test}.
* @param elements The elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableHealthcheck withTest(@Nullable String... elements) {
if (elements == null) {
return new ImmutableHealthcheck(null, this.interval, this.timeout, this.retries, this.startPeriod);
}
@Nullable List newValue = Arrays.asList(elements) == null ? null : createUnmodifiableList(false, createSafeList(Arrays.asList(elements), true, false));
return new ImmutableHealthcheck(newValue, this.interval, this.timeout, this.retries, this.startPeriod);
}
/**
* Copy the current immutable object with elements that replace the content of {@link Healthcheck#test() test}.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param elements An iterable of test elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableHealthcheck withTest(@Nullable Iterable elements) {
if (this.test == elements) return this;
@Nullable List newValue = elements == null ? null : createUnmodifiableList(false, createSafeList(elements, true, false));
return new ImmutableHealthcheck(newValue, this.interval, this.timeout, this.retries, this.startPeriod);
}
/**
* Copy the current immutable object by setting a value for the {@link Healthcheck#interval() interval} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for interval (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutableHealthcheck withInterval(@Nullable Long value) {
if (Objects.equals(this.interval, value)) return this;
return new ImmutableHealthcheck(this.test, value, this.timeout, this.retries, this.startPeriod);
}
/**
* Copy the current immutable object by setting a value for the {@link Healthcheck#timeout() timeout} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for timeout (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutableHealthcheck withTimeout(@Nullable Long value) {
if (Objects.equals(this.timeout, value)) return this;
return new ImmutableHealthcheck(this.test, this.interval, value, this.retries, this.startPeriod);
}
/**
* Copy the current immutable object by setting a value for the {@link Healthcheck#retries() retries} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for retries (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutableHealthcheck withRetries(@Nullable Integer value) {
if (Objects.equals(this.retries, value)) return this;
return new ImmutableHealthcheck(this.test, this.interval, this.timeout, value, this.startPeriod);
}
/**
* Copy the current immutable object by setting a value for the {@link Healthcheck#startPeriod() startPeriod} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for startPeriod (can be {@code null})
* @return A modified copy of the {@code this} object
*/
public final ImmutableHealthcheck withStartPeriod(@Nullable Long value) {
if (Objects.equals(this.startPeriod, value)) return this;
return new ImmutableHealthcheck(this.test, this.interval, this.timeout, this.retries, value);
}
/**
* This instance is equal to all instances of {@code ImmutableHealthcheck} 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 ImmutableHealthcheck
&& equalTo(0, (ImmutableHealthcheck) another);
}
private boolean equalTo(int synthetic, ImmutableHealthcheck another) {
return Objects.equals(test, another.test)
&& Objects.equals(interval, another.interval)
&& Objects.equals(timeout, another.timeout)
&& Objects.equals(retries, another.retries)
&& Objects.equals(startPeriod, another.startPeriod);
}
/**
* Computes a hash code from attributes: {@code test}, {@code interval}, {@code timeout}, {@code retries}, {@code startPeriod}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + Objects.hashCode(test);
h += (h << 5) + Objects.hashCode(interval);
h += (h << 5) + Objects.hashCode(timeout);
h += (h << 5) + Objects.hashCode(retries);
h += (h << 5) + Objects.hashCode(startPeriod);
return h;
}
/**
* Prints the immutable value {@code Healthcheck} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return "Healthcheck{"
+ "test=" + test
+ ", interval=" + interval
+ ", timeout=" + timeout
+ ", retries=" + retries
+ ", startPeriod=" + startPeriod
+ "}";
}
/**
* Creates an immutable copy of a {@link Healthcheck} 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 Healthcheck instance
*/
public static ImmutableHealthcheck copyOf(Healthcheck instance) {
if (instance instanceof ImmutableHealthcheck) {
return (ImmutableHealthcheck) instance;
}
return ImmutableHealthcheck.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableHealthcheck ImmutableHealthcheck}.
*
* ImmutableHealthcheck.builder()
* .test(List<String> | null) // nullable {@link Healthcheck#test() test}
* .interval(Long | null) // nullable {@link Healthcheck#interval() interval}
* .timeout(Long | null) // nullable {@link Healthcheck#timeout() timeout}
* .retries(Integer | null) // nullable {@link Healthcheck#retries() retries}
* .startPeriod(Long | null) // nullable {@link Healthcheck#startPeriod() startPeriod}
* .build();
*
* @return A new ImmutableHealthcheck builder
*/
public static ImmutableHealthcheck.Builder builder() {
return new ImmutableHealthcheck.Builder();
}
/**
* Builds instances of type {@link ImmutableHealthcheck ImmutableHealthcheck}.
* 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 Healthcheck.Builder {
private List test = null;
private Long interval;
private Long timeout;
private Integer retries;
private Long startPeriod;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code Healthcheck} 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(Healthcheck instance) {
Objects.requireNonNull(instance, "instance");
@Nullable List testValue = instance.test();
if (testValue != null) {
addAllTest(testValue);
}
@Nullable Long intervalValue = instance.interval();
if (intervalValue != null) {
interval(intervalValue);
}
@Nullable Long timeoutValue = instance.timeout();
if (timeoutValue != null) {
timeout(timeoutValue);
}
@Nullable Integer retriesValue = instance.retries();
if (retriesValue != null) {
retries(retriesValue);
}
@Nullable Long startPeriodValue = instance.startPeriod();
if (startPeriodValue != null) {
startPeriod(startPeriodValue);
}
return this;
}
/**
* Adds one element to {@link Healthcheck#test() test} list.
* @param element A test element
* @return {@code this} builder for use in a chained invocation
*/
public final Builder test(String element) {
if (this.test == null) {
this.test = new ArrayList();
}
this.test.add(Objects.requireNonNull(element, "test element"));
return this;
}
/**
* Adds elements to {@link Healthcheck#test() test} list.
* @param elements An array of test elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder test(String... elements) {
if (this.test == null) {
this.test = new ArrayList();
}
for (String element : elements) {
this.test.add(Objects.requireNonNull(element, "test element"));
}
return this;
}
/**
* Sets or replaces all elements for {@link Healthcheck#test() test} list.
* @param elements An iterable of test elements
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Test")
public final Builder test(@Nullable Iterable elements) {
if (elements == null) {
this.test = null;
return this;
}
this.test = new ArrayList();
return addAllTest(elements);
}
/**
* Adds elements to {@link Healthcheck#test() test} list.
* @param elements An iterable of test elements
* @return {@code this} builder for use in a chained invocation
*/
public final Builder addAllTest(Iterable elements) {
Objects.requireNonNull(elements, "test element");
if (this.test == null) {
this.test = new ArrayList();
}
for (String element : elements) {
this.test.add(Objects.requireNonNull(element, "test element"));
}
return this;
}
/**
* Initializes the value for the {@link Healthcheck#interval() interval} attribute.
* @param interval The value for interval (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Interval")
public final Builder interval(@Nullable Long interval) {
this.interval = interval;
return this;
}
/**
* Initializes the value for the {@link Healthcheck#timeout() timeout} attribute.
* @param timeout The value for timeout (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Timeout")
public final Builder timeout(@Nullable Long timeout) {
this.timeout = timeout;
return this;
}
/**
* Initializes the value for the {@link Healthcheck#retries() retries} attribute.
* @param retries The value for retries (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("Retries")
public final Builder retries(@Nullable Integer retries) {
this.retries = retries;
return this;
}
/**
* Initializes the value for the {@link Healthcheck#startPeriod() startPeriod} attribute.
* @param startPeriod The value for startPeriod (can be {@code null})
* @return {@code this} builder for use in a chained invocation
*/
@JsonProperty("StartPeriod")
public final Builder startPeriod(@Nullable Long startPeriod) {
this.startPeriod = startPeriod;
return this;
}
/**
* Builds a new {@link ImmutableHealthcheck ImmutableHealthcheck}.
* @return An immutable instance of Healthcheck
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableHealthcheck build() {
return new ImmutableHealthcheck(
test == null ? null : createUnmodifiableList(true, test),
interval,
timeout,
retries,
startPeriod);
}
}
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);
}
}
}
}