io.stargate.sgv2.common.cql.builder.ImmutableValueModifier Maven / Gradle / Ivy
package io.stargate.sgv2.common.cql.builder;
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 ValueModifier}.
*
* Use the builder to create immutable instances:
* {@code ImmutableValueModifier.builder()}.
*/
@Generated(from = "ValueModifier", generator = "Immutables")
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
@CheckReturnValue
final class ImmutableValueModifier implements ValueModifier {
private final ValueModifier.Target target;
private final ValueModifier.Operation operation;
private final Term value;
private ImmutableValueModifier(
ValueModifier.Target target,
ValueModifier.Operation operation,
Term value) {
this.target = target;
this.operation = operation;
this.value = value;
}
/**
* @return The value of the {@code target} attribute
*/
@Override
public ValueModifier.Target target() {
return target;
}
/**
* @return The value of the {@code operation} attribute
*/
@Override
public ValueModifier.Operation operation() {
return operation;
}
/**
* @return The value of the {@code value} attribute
*/
@Override
public Term value() {
return value;
}
/**
* Copy the current immutable object by setting a value for the {@link ValueModifier#target() target} attribute.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for target
* @return A modified copy of the {@code this} object
*/
public final ImmutableValueModifier withTarget(ValueModifier.Target value) {
if (this.target == value) return this;
ValueModifier.Target newValue = Objects.requireNonNull(value, "target");
return new ImmutableValueModifier(newValue, this.operation, this.value);
}
/**
* Copy the current immutable object by setting a value for the {@link ValueModifier#operation() operation} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for operation
* @return A modified copy of the {@code this} object
*/
public final ImmutableValueModifier withOperation(ValueModifier.Operation value) {
if (this.operation == value) return this;
ValueModifier.Operation newValue = Objects.requireNonNull(value, "operation");
if (this.operation.equals(newValue)) return this;
return new ImmutableValueModifier(this.target, newValue, this.value);
}
/**
* Copy the current immutable object by setting a value for the {@link ValueModifier#value() value} attribute.
* A shallow reference equality check is 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 ImmutableValueModifier withValue(Term value) {
if (this.value == value) return this;
Term newValue = Objects.requireNonNull(value, "value");
return new ImmutableValueModifier(this.target, this.operation, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableValueModifier} 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 ImmutableValueModifier
&& equalTo((ImmutableValueModifier) another);
}
private boolean equalTo(ImmutableValueModifier another) {
return target.equals(another.target)
&& operation.equals(another.operation)
&& value.equals(another.value);
}
/**
* Computes a hash code from attributes: {@code target}, {@code operation}, {@code value}.
* @return hashCode value
*/
@Override
public int hashCode() {
@Var int h = 5381;
h += (h << 5) + target.hashCode();
h += (h << 5) + operation.hashCode();
h += (h << 5) + value.hashCode();
return h;
}
/**
* Prints the immutable value {@code ValueModifier} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("ValueModifier")
.omitNullValues()
.add("target", target)
.add("operation", operation)
.add("value", value)
.toString();
}
/**
* Creates an immutable copy of a {@link ValueModifier} 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 ValueModifier instance
*/
public static ImmutableValueModifier copyOf(ValueModifier instance) {
if (instance instanceof ImmutableValueModifier) {
return (ImmutableValueModifier) instance;
}
return ImmutableValueModifier.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableValueModifier ImmutableValueModifier}.
*
* ImmutableValueModifier.builder()
* .target(io.stargate.sgv2.common.cql.builder.ValueModifier.Target) // required {@link ValueModifier#target() target}
* .operation(io.stargate.sgv2.common.cql.builder.ValueModifier.Operation) // required {@link ValueModifier#operation() operation}
* .value(io.stargate.sgv2.common.cql.builder.Term) // required {@link ValueModifier#value() value}
* .build();
*
* @return A new ImmutableValueModifier builder
*/
public static ImmutableValueModifier.Builder builder() {
return new ImmutableValueModifier.Builder();
}
/**
* Builds instances of type {@link ImmutableValueModifier ImmutableValueModifier}.
* 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 = "ValueModifier", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_TARGET = 0x1L;
private static final long INIT_BIT_OPERATION = 0x2L;
private static final long INIT_BIT_VALUE = 0x4L;
private long initBits = 0x7L;
private @Nullable ValueModifier.Target target;
private @Nullable ValueModifier.Operation operation;
private @Nullable Term value;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code ValueModifier} 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(ValueModifier instance) {
Objects.requireNonNull(instance, "instance");
target(instance.target());
operation(instance.operation());
value(instance.value());
return this;
}
/**
* Initializes the value for the {@link ValueModifier#target() target} attribute.
* @param target The value for target
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder target(ValueModifier.Target target) {
this.target = Objects.requireNonNull(target, "target");
initBits &= ~INIT_BIT_TARGET;
return this;
}
/**
* Initializes the value for the {@link ValueModifier#operation() operation} attribute.
* @param operation The value for operation
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder operation(ValueModifier.Operation operation) {
this.operation = Objects.requireNonNull(operation, "operation");
initBits &= ~INIT_BIT_OPERATION;
return this;
}
/**
* Initializes the value for the {@link ValueModifier#value() value} attribute.
* @param value The value for value
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder value(Term value) {
this.value = Objects.requireNonNull(value, "value");
initBits &= ~INIT_BIT_VALUE;
return this;
}
/**
* Builds a new {@link ImmutableValueModifier ImmutableValueModifier}.
* @return An immutable instance of ValueModifier
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableValueModifier build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableValueModifier(target, operation, value);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_TARGET) != 0) attributes.add("target");
if ((initBits & INIT_BIT_OPERATION) != 0) attributes.add("operation");
if ((initBits & INIT_BIT_VALUE) != 0) attributes.add("value");
return "Cannot build ValueModifier, some of required attributes are not set " + attributes;
}
}
}