package io.stargate.db.datastore.query;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import io.stargate.db.schema.Column;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.Function;
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 Value}.
*
* Use the builder to create immutable instances:
* {@code ImmutableValue.builder()}.
*/
@Generated(from = "Value", generator = "Immutables")
@SuppressWarnings({"all"})
@SuppressFBWarnings
@ParametersAreNonnullByDefault
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
final class ImmutableValue extends Value {
private final Column column;
private final @Nullable Object value;
private final @Nullable Function bindingFunction;
private ImmutableValue(
Column column,
@Nullable Object value,
@Nullable Function bindingFunction) {
this.column = column;
this.value = value;
this.bindingFunction = bindingFunction;
}
/**
* @return The value of the {@code column} attribute
*/
@Override
public Column column() {
return column;
}
/**
* @return The value of the {@code value} attribute
*/
@Override
public Optional value() {
return Optional.ofNullable(value);
}
/**
* @return The value of the {@code bindingFunction} attribute
*/
@Override
public Optional> bindingFunction() {
return Optional.ofNullable(bindingFunction);
}
/**
* Copy the current immutable object by setting a value for the {@link Value#column() column} 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 column
* @return A modified copy of the {@code this} object
*/
public final ImmutableValue withColumn(Column value) {
if (this.column == value) return this;
Column newValue = Objects.requireNonNull(value, "column");
return new ImmutableValue<>(newValue, this.value, this.bindingFunction);
}
/**
* Copy the current immutable object by setting a present value for the optional {@link Value#value() value} attribute.
* @param value The value for value
* @return A modified copy of {@code this} object
*/
public final ImmutableValue withValue(Object value) {
@Nullable Object newValue = Objects.requireNonNull(value, "value");
if (this.value == newValue) return this;
return new ImmutableValue<>(this.column, newValue, this.bindingFunction);
}
/**
* Copy the current immutable object by setting an optional value for the {@link Value#value() value} attribute.
* A shallow reference equality check is used on unboxed optional value to prevent copying of the same value by returning {@code this}.
* @param optional A value for value
* @return A modified copy of {@code this} object
*/
@SuppressWarnings("unchecked") // safe covariant cast
public final ImmutableValue withValue(Optional optional) {
@Nullable Object value = optional.orElse(null);
if (this.value == value) return this;
return new ImmutableValue<>(this.column, value, this.bindingFunction);
}
/**
* Copy the current immutable object by setting a present value for the optional {@link Value#bindingFunction() bindingFunction} attribute.
* @param value The value for bindingFunction
* @return A modified copy of {@code this} object
*/
public final ImmutableValue withBindingFunction(Function value) {
@Nullable Function newValue = Objects.requireNonNull(value, "bindingFunction");
if (this.bindingFunction == newValue) return this;
return new ImmutableValue<>(this.column, this.value, newValue);
}
/**
* Copy the current immutable object by setting an optional value for the {@link Value#bindingFunction() bindingFunction} attribute.
* A shallow reference equality check is used on unboxed optional value to prevent copying of the same value by returning {@code this}.
* @param optional A value for bindingFunction
* @return A modified copy of {@code this} object
*/
@SuppressWarnings("unchecked") // safe covariant cast
public final ImmutableValue withBindingFunction(Optional> optional) {
@Nullable Function value = optional.orElse(null);
if (this.bindingFunction == value) return this;
return new ImmutableValue<>(this.column, this.value, value);
}
/**
* This instance is equal to all instances of {@code ImmutableValue} 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 ImmutableValue
&& equalTo((ImmutableValue) another);
}
private boolean equalTo(ImmutableValue another) {
return column.equals(another.column)
&& Objects.equals(value, another.value)
&& Objects.equals(bindingFunction, another.bindingFunction);
}
/**
* Computes a hash code from attributes: {@code column}, {@code value}, {@code bindingFunction}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + column.hashCode();
h += (h << 5) + Objects.hashCode(value);
h += (h << 5) + Objects.hashCode(bindingFunction);
return h;
}
/**
* Prints the immutable value {@code Value} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
StringBuilder builder = new StringBuilder("Value{");
builder.append("column=").append(column);
if (value != null) {
builder.append(", ");
builder.append("value=").append(value);
}
if (bindingFunction != null) {
builder.append(", ");
builder.append("bindingFunction=").append(bindingFunction);
}
return builder.append("}").toString();
}
/**
* Creates an immutable copy of a {@link Value} 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 Value instance
*/
public static ImmutableValue copyOf(Value instance) {
if (instance instanceof ImmutableValue) {
return (ImmutableValue) instance;
}
return ImmutableValue.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableValue ImmutableValue}.
*
* ImmutableValue.<T>builder()
* .column(io.stargate.db.schema.Column) // required {@link Value#column() column}
* .value(Object) // optional {@link Value#value() value}
* .bindingFunction(function.Function<T, Object>) // optional {@link Value#bindingFunction() bindingFunction}
* .build();
*
* @param generic parameter T
* @return A new ImmutableValue builder
*/
public static ImmutableValue.Builder builder() {
return new ImmutableValue.Builder<>();
}
/**
* Builds instances of type {@link ImmutableValue ImmutableValue}.
* 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 = "Value", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_COLUMN = 0x1L;
private long initBits = 0x1L;
private @Nullable Column column;
private @Nullable Object value;
private @Nullable Function bindingFunction;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code io.stargate.db.datastore.query.Parameter} instance.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(Parameter instance) {
Objects.requireNonNull(instance, "instance");
from((Object) instance);
return this;
}
/**
* Fill a builder with attribute values from the provided {@code io.stargate.db.datastore.query.Value} instance.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
public final Builder from(Value instance) {
Objects.requireNonNull(instance, "instance");
from((Object) instance);
return this;
}
@SuppressWarnings("unchecked")
private void from(Object object) {
if (object instanceof Parameter) {
Parameter instance = (Parameter) object;
column(instance.column());
Optional valueOptional = instance.value();
if (valueOptional.isPresent()) {
value(valueOptional);
}
Optional> bindingFunctionOptional = instance.bindingFunction();
if (bindingFunctionOptional.isPresent()) {
bindingFunction(bindingFunctionOptional);
}
}
}
/**
* Initializes the value for the {@link Value#column() column} attribute.
* @param column The value for column
* @return {@code this} builder for use in a chained invocation
*/
public final Builder column(Column column) {
this.column = Objects.requireNonNull(column, "column");
initBits &= ~INIT_BIT_COLUMN;
return this;
}
/**
* Initializes the optional value {@link Value#value() value} to value.
* @param value The value for value
* @return {@code this} builder for chained invocation
*/
public final Builder value(Object value) {
this.value = Objects.requireNonNull(value, "value");
return this;
}
/**
* Initializes the optional value {@link Value#value() value} to value.
* @param value The value for value
* @return {@code this} builder for use in a chained invocation
*/
public final Builder value(Optional value) {
this.value = value.orElse(null);
return this;
}
/**
* Initializes the optional value {@link Value#bindingFunction() bindingFunction} to bindingFunction.
* @param bindingFunction The value for bindingFunction
* @return {@code this} builder for chained invocation
*/
public final Builder bindingFunction(Function bindingFunction) {
this.bindingFunction = Objects.requireNonNull(bindingFunction, "bindingFunction");
return this;
}
/**
* Initializes the optional value {@link Value#bindingFunction() bindingFunction} to bindingFunction.
* @param bindingFunction The value for bindingFunction
* @return {@code this} builder for use in a chained invocation
*/
public final Builder bindingFunction(Optional> bindingFunction) {
this.bindingFunction = bindingFunction.orElse(null);
return this;
}
/**
* Builds a new {@link ImmutableValue ImmutableValue}.
* @return An immutable instance of Value
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableValue build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableValue<>(column, value, bindingFunction);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_COLUMN) != 0) attributes.add("column");
return "Cannot build Value, some of required attributes are not set " + attributes;
}
}
}
