org.immutables.fixture.jackson.ImmutableJacksonGenerics Maven / Gradle / Ivy
package org.immutables.fixture.jackson;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
import com.google.common.base.MoreObjects;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import java.util.List;
import javax.annotation.Generated;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
/**
* Immutable implementation of {@link JacksonGenerics}.
*
* Use the builder to create immutable instances:
* {@code ImmutableJacksonGenerics.builder()}.
*/
@SuppressWarnings("all")
@ParametersAreNonnullByDefault
@Generated({"Immutables.generator", "JacksonGenerics"})
@Immutable
public final class ImmutableJacksonGenerics
implements JacksonGenerics {
private final T attr;
private final String nm;
private ImmutableJacksonGenerics(T attr, String nm) {
this.attr = attr;
this.nm = nm;
}
/**
* @return The value of the {@code attr} attribute
*/
@JsonProperty
@Override
public T attr() {
return attr;
}
/**
* @return The value of the {@code nm} attribute
*/
@JsonProperty
@Override
public String nm() {
return nm;
}
/**
* Copy the current immutable object by setting a value for the {@link JacksonGenerics#attr() attr} attribute.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param attr A new value for attr
* @return A modified copy of the {@code this} object
*/
public final ImmutableJacksonGenerics withAttr(T attr) {
if (this.attr == attr) return this;
T newValue = Preconditions.checkNotNull(attr, "attr");
return new ImmutableJacksonGenerics<>(newValue, this.nm);
}
/**
* Copy the current immutable object by setting a value for the {@link JacksonGenerics#nm() nm} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param nm A new value for nm
* @return A modified copy of the {@code this} object
*/
public final ImmutableJacksonGenerics withNm(String nm) {
if (this.nm.equals(nm)) return this;
String newValue = Preconditions.checkNotNull(nm, "nm");
return new ImmutableJacksonGenerics<>(this.attr, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableJacksonGenerics} that have equal attribute values.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(@Nullable Object another) {
if (this == another) return true;
return another instanceof ImmutableJacksonGenerics
&& equalTo((ImmutableJacksonGenerics) another);
}
private boolean equalTo(ImmutableJacksonGenerics another) {
return attr.equals(another.attr)
&& nm.equals(another.nm);
}
/**
* Computes a hash code from attributes: {@code attr}, {@code nm}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 31;
h = h * 17 + attr.hashCode();
h = h * 17 + nm.hashCode();
return h;
}
/**
* Prints the immutable value {@code JacksonGenerics} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("JacksonGenerics")
.omitNullValues()
.add("attr", attr)
.add("nm", nm)
.toString();
}
/**
* Utility type used to correctly read immutable object from JSON representation.
* @deprecated Do not use this type directly, it exists only for the Jackson-binding infrastructure
*/
@Deprecated
@JsonDeserialize
static final class Json
implements JacksonGenerics {
@Nullable T attr;
@Nullable String nm;
@JsonProperty
public void setAttr(T attr) {
this.attr = attr;
}
@JsonProperty
public void setNm(String nm) {
this.nm = nm;
}
@Override
public T attr() { throw new UnsupportedOperationException(); }
@Override
public String nm() { throw new UnsupportedOperationException(); }
}
/**
* @param generic parameter T
* @param json A JSON-bindable data structure
* @return An immutable value type
* @deprecated Do not use this method directly, it exists only for the Jackson-binding infrastructure
*/
@Deprecated
@JsonCreator
static ImmutableJacksonGenerics fromJson(Json json) {
ImmutableJacksonGenerics.Builder builder = ImmutableJacksonGenerics.builder();
if (json.attr != null) {
builder.attr(json.attr);
}
if (json.nm != null) {
builder.nm(json.nm);
}
return builder.build();
}
/**
* Creates an immutable copy of a {@link JacksonGenerics} value.
* Uses accessors to get values to initialize the new immutable instance.
* If an instance is already immutable, it is returned as is.
* @param generic parameter T
* @param instance The instance to copy
* @return A copied immutable JacksonGenerics instance
*/
public static ImmutableJacksonGenerics copyOf(JacksonGenerics instance) {
if (instance instanceof ImmutableJacksonGenerics) {
return (ImmutableJacksonGenerics) instance;
}
return ImmutableJacksonGenerics.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableJacksonGenerics ImmutableJacksonGenerics}.
* @param generic parameter T
* @return A new ImmutableJacksonGenerics builder
*/
public static ImmutableJacksonGenerics.Builder builder() {
return new ImmutableJacksonGenerics.Builder();
}
/**
* Builds instances of type {@link ImmutableJacksonGenerics ImmutableJacksonGenerics}.
* 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.
*/
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_ATTR = 0x1L;
private static final long INIT_BIT_NM = 0x2L;
private long initBits = 0x3L;
private @Nullable T attr;
private @Nullable String nm;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code JacksonGenerics} instance.
* Regular attribute values will be replaced with those from the given instance.
* Absent optional values will not replace present values.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(JacksonGenerics instance) {
Preconditions.checkNotNull(instance, "instance");
attr(instance.attr());
nm(instance.nm());
return this;
}
/**
* Initializes the value for the {@link JacksonGenerics#attr() attr} attribute.
* @param attr The value for attr
* @return {@code this} builder for use in a chained invocation
*/
public final Builder attr(T attr) {
this.attr = Preconditions.checkNotNull(attr, "attr");
initBits &= ~INIT_BIT_ATTR;
return this;
}
/**
* Initializes the value for the {@link JacksonGenerics#nm() nm} attribute.
* @param nm The value for nm
* @return {@code this} builder for use in a chained invocation
*/
public final Builder nm(String nm) {
this.nm = Preconditions.checkNotNull(nm, "nm");
initBits &= ~INIT_BIT_NM;
return this;
}
/**
* Builds a new {@link ImmutableJacksonGenerics ImmutableJacksonGenerics}.
* @return An immutable instance of JacksonGenerics
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableJacksonGenerics build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableJacksonGenerics(attr, nm);
}
private String formatRequiredAttributesMessage() {
List attributes = Lists.newArrayList();
if ((initBits & INIT_BIT_ATTR) != 0) attributes.add("attr");
if ((initBits & INIT_BIT_NM) != 0) attributes.add("nm");
return "Cannot build JacksonGenerics, some of required attributes are not set " + attributes;
}
}
}