org.jresearch.gavka.rest.data.ImmutablePartitionInfo Maven / Gradle / Ivy
package org.jresearch.gavka.rest.data;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.base.MoreObjects;
import com.google.common.primitives.Longs;
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 PartitionInfo}.
*
* Use the builder to create immutable instances:
* {@code new ImmutablePartitionInfo.Builder()}.
*/
@Generated(from = "PartitionInfo", generator = "Immutables")
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
@CheckReturnValue
public final class ImmutablePartitionInfo implements PartitionInfo {
private final long partitionNumber;
private final long startOffset;
private final long endOffset;
private ImmutablePartitionInfo(long partitionNumber, long startOffset, long endOffset) {
this.partitionNumber = partitionNumber;
this.startOffset = startOffset;
this.endOffset = endOffset;
}
/**
* @return The value of the {@code partitionNumber} attribute
*/
@JsonProperty("partitionNumber")
@Override
public long partitionNumber() {
return partitionNumber;
}
/**
* @return The value of the {@code startOffset} attribute
*/
@JsonProperty("startOffset")
@Override
public long startOffset() {
return startOffset;
}
/**
* @return The value of the {@code endOffset} attribute
*/
@JsonProperty("endOffset")
@Override
public long endOffset() {
return endOffset;
}
/**
* Copy the current immutable object by setting a value for the {@link PartitionInfo#partitionNumber() partitionNumber} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for partitionNumber
* @return A modified copy of the {@code this} object
*/
public final ImmutablePartitionInfo withPartitionNumber(long value) {
if (this.partitionNumber == value) return this;
return new ImmutablePartitionInfo(value, this.startOffset, this.endOffset);
}
/**
* Copy the current immutable object by setting a value for the {@link PartitionInfo#startOffset() startOffset} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for startOffset
* @return A modified copy of the {@code this} object
*/
public final ImmutablePartitionInfo withStartOffset(long value) {
if (this.startOffset == value) return this;
return new ImmutablePartitionInfo(this.partitionNumber, value, this.endOffset);
}
/**
* Copy the current immutable object by setting a value for the {@link PartitionInfo#endOffset() endOffset} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for endOffset
* @return A modified copy of the {@code this} object
*/
public final ImmutablePartitionInfo withEndOffset(long value) {
if (this.endOffset == value) return this;
return new ImmutablePartitionInfo(this.partitionNumber, this.startOffset, value);
}
/**
* This instance is equal to all instances of {@code ImmutablePartitionInfo} 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 ImmutablePartitionInfo
&& equalTo((ImmutablePartitionInfo) another);
}
private boolean equalTo(ImmutablePartitionInfo another) {
return partitionNumber == another.partitionNumber
&& startOffset == another.startOffset
&& endOffset == another.endOffset;
}
/**
* Computes a hash code from attributes: {@code partitionNumber}, {@code startOffset}, {@code endOffset}.
* @return hashCode value
*/
@Override
public int hashCode() {
@Var int h = 5381;
h += (h << 5) + Longs.hashCode(partitionNumber);
h += (h << 5) + Longs.hashCode(startOffset);
h += (h << 5) + Longs.hashCode(endOffset);
return h;
}
/**
* Prints the immutable value {@code PartitionInfo} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("PartitionInfo")
.omitNullValues()
.add("partitionNumber", partitionNumber)
.add("startOffset", startOffset)
.add("endOffset", endOffset)
.toString();
}
/**
* Creates an immutable copy of a {@link PartitionInfo} 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 PartitionInfo instance
*/
public static ImmutablePartitionInfo copyOf(PartitionInfo instance) {
if (instance instanceof ImmutablePartitionInfo) {
return (ImmutablePartitionInfo) instance;
}
return new ImmutablePartitionInfo.Builder()
.from(instance)
.build();
}
/**
* Builds instances of type {@link ImmutablePartitionInfo ImmutablePartitionInfo}.
* 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 = "PartitionInfo", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_PARTITION_NUMBER = 0x1L;
private static final long INIT_BIT_START_OFFSET = 0x2L;
private static final long INIT_BIT_END_OFFSET = 0x4L;
private long initBits = 0x7L;
private long partitionNumber;
private long startOffset;
private long endOffset;
/**
* Creates a builder for {@link ImmutablePartitionInfo ImmutablePartitionInfo} instances.
*
* new ImmutablePartitionInfo.Builder()
* .partitionNumber(long) // required {@link PartitionInfo#partitionNumber() partitionNumber}
* .startOffset(long) // required {@link PartitionInfo#startOffset() startOffset}
* .endOffset(long) // required {@link PartitionInfo#endOffset() endOffset}
* .build();
*
*/
public Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code PartitionInfo} 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(PartitionInfo instance) {
Objects.requireNonNull(instance, "instance");
partitionNumber(instance.partitionNumber());
startOffset(instance.startOffset());
endOffset(instance.endOffset());
return this;
}
/**
* Initializes the value for the {@link PartitionInfo#partitionNumber() partitionNumber} attribute.
* @param partitionNumber The value for partitionNumber
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
@JsonProperty("partitionNumber")
public final Builder partitionNumber(long partitionNumber) {
this.partitionNumber = partitionNumber;
initBits &= ~INIT_BIT_PARTITION_NUMBER;
return this;
}
/**
* Initializes the value for the {@link PartitionInfo#startOffset() startOffset} attribute.
* @param startOffset The value for startOffset
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
@JsonProperty("startOffset")
public final Builder startOffset(long startOffset) {
this.startOffset = startOffset;
initBits &= ~INIT_BIT_START_OFFSET;
return this;
}
/**
* Initializes the value for the {@link PartitionInfo#endOffset() endOffset} attribute.
* @param endOffset The value for endOffset
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
@JsonProperty("endOffset")
public final Builder endOffset(long endOffset) {
this.endOffset = endOffset;
initBits &= ~INIT_BIT_END_OFFSET;
return this;
}
/**
* Builds a new {@link ImmutablePartitionInfo ImmutablePartitionInfo}.
* @return An immutable instance of PartitionInfo
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutablePartitionInfo build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutablePartitionInfo(partitionNumber, startOffset, endOffset);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList<>();
if ((initBits & INIT_BIT_PARTITION_NUMBER) != 0) attributes.add("partitionNumber");
if ((initBits & INIT_BIT_START_OFFSET) != 0) attributes.add("startOffset");
if ((initBits & INIT_BIT_END_OFFSET) != 0) attributes.add("endOffset");
return "Cannot build PartitionInfo, some of required attributes are not set " + attributes;
}
}
}