org.immutables.fixture.ast.ImmutableStringLeaf Maven / Gradle / Ivy
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package org.immutables.fixture.ast;
import com.google.common.base.MoreObjects;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.Var;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import javax.annotation.CheckReturnValue;
import javax.annotation.Nullable;
import javax.annotation.ParametersAreNonnullByDefault;
import javax.annotation.concurrent.Immutable;
import javax.annotation.concurrent.NotThreadSafe;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link InstantiationGenerics.StringLeaf}.
*
* Use the builder to create immutable instances:
* {@code ImmutableStringLeaf.builder()}.
* Use the static factory method to create immutable instances:
* {@code ImmutableStringLeaf.of()}.
*/
@Generated(from = "InstantiationGenerics.StringLeaf", generator = "Immutables")
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@javax.annotation.processing.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
@CheckReturnValue
public final class ImmutableStringLeaf implements InstantiationGenerics.StringLeaf {
private final String value;
private ImmutableStringLeaf(String value) {
this.value = Objects.requireNonNull(value, "value");
}
private ImmutableStringLeaf(ImmutableStringLeaf original, String value) {
this.value = value;
}
/**
* @return The value of the {@code value} attribute
*/
@Override
public String value() {
return value;
}
/**
* Copy the current immutable object by setting a value for the {@link InstantiationGenerics.StringLeaf#value() value} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for value
* @return A modified copy of the {@code this} object
*/
public final ImmutableStringLeaf withValue(String value) {
String newValue = Objects.requireNonNull(value, "value");
if (this.value.equals(newValue)) return this;
return new ImmutableStringLeaf(this, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableStringLeaf} 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 ImmutableStringLeaf
&& equalTo(0, (ImmutableStringLeaf) another);
}
private boolean equalTo(int synthetic, ImmutableStringLeaf another) {
return value.equals(another.value);
}
/**
* Computes a hash code from attributes: {@code value}.
* @return hashCode value
*/
@Override
public int hashCode() {
@Var int h = 5381;
h += (h << 5) + value.hashCode();
return h;
}
/**
* Prints the immutable value {@code StringLeaf} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("StringLeaf")
.omitNullValues()
.add("value", value)
.toString();
}
/**
* Construct a new immutable {@code StringLeaf} instance.
* @param value The value for the {@code value} attribute
* @return An immutable StringLeaf instance
*/
public static ImmutableStringLeaf of(String value) {
return new ImmutableStringLeaf(value);
}
/**
* Creates an immutable copy of a {@link InstantiationGenerics.StringLeaf} 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 StringLeaf instance
*/
public static ImmutableStringLeaf copyOf(InstantiationGenerics.StringLeaf instance) {
if (instance instanceof ImmutableStringLeaf) {
return (ImmutableStringLeaf) instance;
}
return ImmutableStringLeaf.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableStringLeaf ImmutableStringLeaf}.
*
* ImmutableStringLeaf.builder()
* .value(String) // required {@link InstantiationGenerics.StringLeaf#value() value}
* .build();
*
* @return A new ImmutableStringLeaf builder
*/
public static ImmutableStringLeaf.Builder builder() {
return new ImmutableStringLeaf.Builder();
}
/**
* Builds instances of type {@link ImmutableStringLeaf ImmutableStringLeaf}.
* 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.
*/
@Generated(from = "InstantiationGenerics.StringLeaf", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_VALUE = 0x1L;
private long initBits = 0x1L;
private @Nullable String value;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code StringLeaf} 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
*/
@CanIgnoreReturnValue
public final Builder from(InstantiationGenerics.StringLeaf instance) {
Objects.requireNonNull(instance, "instance");
value(instance.value());
return this;
}
/**
* Initializes the value for the {@link InstantiationGenerics.StringLeaf#value() value} attribute.
* @param value The value for value
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder value(String value) {
this.value = Objects.requireNonNull(value, "value");
initBits &= ~INIT_BIT_VALUE;
return this;
}
/**
* Builds a new {@link ImmutableStringLeaf ImmutableStringLeaf}.
* @return An immutable instance of StringLeaf
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableStringLeaf build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableStringLeaf(null, value);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_VALUE) != 0) attributes.add("value");
return "Cannot build StringLeaf, some of required attributes are not set " + attributes;
}
}
}