com.arakelian.elastic.refresh.ImmutableRefreshLimiterConfig Maven / Gradle / Ivy
package com.arakelian.elastic.refresh;
import com.arakelian.elastic.model.Refresh;
import com.arakelian.retry.Retryer;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableMap;
import com.google.common.primitives.Doubles;
import com.google.common.util.concurrent.RateLimiter;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import com.google.errorprone.annotations.Var;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
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 RefreshLimiterConfig}.
*
* Use the builder to create immutable instances:
* {@code ImmutableRefreshLimiterConfig.builder()}.
*/
@Generated(from = "RefreshLimiterConfig", generator = "Immutables")
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@javax.annotation.processing.Generated("org.immutables.processor.ProxyProcessor")
@Immutable
@CheckReturnValue
public final class ImmutableRefreshLimiterConfig extends RefreshLimiterConfig {
private final int coreThreads;
private final double defaultPermitsPerSecond;
private final int maximumThreads;
private final ImmutableMap rateLimiter;
private final Retryer retryer;
private ImmutableRefreshLimiterConfig(ImmutableRefreshLimiterConfig.Builder builder) {
this.rateLimiter = builder.rateLimiter.build();
if (builder.coreThreadsIsSet()) {
initShim.coreThreads(builder.coreThreads);
}
if (builder.defaultPermitsPerSecondIsSet()) {
initShim.defaultPermitsPerSecond(builder.defaultPermitsPerSecond);
}
if (builder.maximumThreadsIsSet()) {
initShim.maximumThreads(builder.maximumThreads);
}
if (builder.retryer != null) {
initShim.retryer(builder.retryer);
}
this.coreThreads = initShim.getCoreThreads();
this.defaultPermitsPerSecond = initShim.getDefaultPermitsPerSecond();
this.maximumThreads = initShim.getMaximumThreads();
this.retryer = initShim.getRetryer();
this.initShim = null;
}
private static final byte STAGE_INITIALIZING = -1;
private static final byte STAGE_UNINITIALIZED = 0;
private static final byte STAGE_INITIALIZED = 1;
@SuppressWarnings("Immutable")
private transient volatile InitShim initShim = new InitShim();
@Generated(from = "RefreshLimiterConfig", generator = "Immutables")
private final class InitShim {
private byte coreThreadsBuildStage = STAGE_UNINITIALIZED;
private int coreThreads;
int getCoreThreads() {
if (coreThreadsBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (coreThreadsBuildStage == STAGE_UNINITIALIZED) {
coreThreadsBuildStage = STAGE_INITIALIZING;
this.coreThreads = ImmutableRefreshLimiterConfig.super.getCoreThreads();
coreThreadsBuildStage = STAGE_INITIALIZED;
}
return this.coreThreads;
}
void coreThreads(int coreThreads) {
this.coreThreads = coreThreads;
coreThreadsBuildStage = STAGE_INITIALIZED;
}
private byte defaultPermitsPerSecondBuildStage = STAGE_UNINITIALIZED;
private double defaultPermitsPerSecond;
double getDefaultPermitsPerSecond() {
if (defaultPermitsPerSecondBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (defaultPermitsPerSecondBuildStage == STAGE_UNINITIALIZED) {
defaultPermitsPerSecondBuildStage = STAGE_INITIALIZING;
this.defaultPermitsPerSecond = ImmutableRefreshLimiterConfig.super.getDefaultPermitsPerSecond();
defaultPermitsPerSecondBuildStage = STAGE_INITIALIZED;
}
return this.defaultPermitsPerSecond;
}
void defaultPermitsPerSecond(double defaultPermitsPerSecond) {
this.defaultPermitsPerSecond = defaultPermitsPerSecond;
defaultPermitsPerSecondBuildStage = STAGE_INITIALIZED;
}
private byte maximumThreadsBuildStage = STAGE_UNINITIALIZED;
private int maximumThreads;
int getMaximumThreads() {
if (maximumThreadsBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (maximumThreadsBuildStage == STAGE_UNINITIALIZED) {
maximumThreadsBuildStage = STAGE_INITIALIZING;
this.maximumThreads = ImmutableRefreshLimiterConfig.super.getMaximumThreads();
maximumThreadsBuildStage = STAGE_INITIALIZED;
}
return this.maximumThreads;
}
void maximumThreads(int maximumThreads) {
this.maximumThreads = maximumThreads;
maximumThreadsBuildStage = STAGE_INITIALIZED;
}
private byte retryerBuildStage = STAGE_UNINITIALIZED;
private Retryer retryer;
Retryer getRetryer() {
if (retryerBuildStage == STAGE_INITIALIZING) throw new IllegalStateException(formatInitCycleMessage());
if (retryerBuildStage == STAGE_UNINITIALIZED) {
retryerBuildStage = STAGE_INITIALIZING;
this.retryer = Objects.requireNonNull(ImmutableRefreshLimiterConfig.super.getRetryer(), "retryer");
retryerBuildStage = STAGE_INITIALIZED;
}
return this.retryer;
}
void retryer(Retryer retryer) {
this.retryer = retryer;
retryerBuildStage = STAGE_INITIALIZED;
}
private String formatInitCycleMessage() {
List attributes = new ArrayList<>();
if (coreThreadsBuildStage == STAGE_INITIALIZING) attributes.add("coreThreads");
if (defaultPermitsPerSecondBuildStage == STAGE_INITIALIZING) attributes.add("defaultPermitsPerSecond");
if (maximumThreadsBuildStage == STAGE_INITIALIZING) attributes.add("maximumThreads");
if (retryerBuildStage == STAGE_INITIALIZING) attributes.add("retryer");
return "Cannot build RefreshLimiterConfig, attribute initializers form cycle " + attributes;
}
}
/**
* @return The value of the {@code coreThreads} attribute
*/
@Override
public int getCoreThreads() {
InitShim shim = this.initShim;
return shim != null
? shim.getCoreThreads()
: this.coreThreads;
}
/**
* @return The value of the {@code defaultPermitsPerSecond} attribute
*/
@Override
public double getDefaultPermitsPerSecond() {
InitShim shim = this.initShim;
return shim != null
? shim.getDefaultPermitsPerSecond()
: this.defaultPermitsPerSecond;
}
/**
* @return The value of the {@code maximumThreads} attribute
*/
@Override
public int getMaximumThreads() {
InitShim shim = this.initShim;
return shim != null
? shim.getMaximumThreads()
: this.maximumThreads;
}
/**
* @return The value of the {@code rateLimiter} attribute
*/
@Override
public ImmutableMap getRateLimiter() {
return rateLimiter;
}
/**
* @return The value of the {@code retryer} attribute
*/
@Override
public Retryer getRetryer() {
InitShim shim = this.initShim;
return shim != null
? shim.getRetryer()
: this.retryer;
}
/**
* This instance is equal to all instances of {@code ImmutableRefreshLimiterConfig} 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 ImmutableRefreshLimiterConfig
&& equalTo((ImmutableRefreshLimiterConfig) another);
}
private boolean equalTo(ImmutableRefreshLimiterConfig another) {
return coreThreads == another.coreThreads
&& Double.doubleToLongBits(defaultPermitsPerSecond) == Double.doubleToLongBits(another.defaultPermitsPerSecond)
&& maximumThreads == another.maximumThreads;
}
/**
* Computes a hash code from attributes: {@code coreThreads}, {@code defaultPermitsPerSecond}, {@code maximumThreads}.
* @return hashCode value
*/
@Override
public int hashCode() {
@Var int h = 5381;
h += (h << 5) + coreThreads;
h += (h << 5) + Doubles.hashCode(defaultPermitsPerSecond);
h += (h << 5) + maximumThreads;
return h;
}
/**
* Prints the immutable value {@code RefreshLimiterConfig} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("RefreshLimiterConfig")
.omitNullValues()
.add("coreThreads", coreThreads)
.add("defaultPermitsPerSecond", defaultPermitsPerSecond)
.add("maximumThreads", maximumThreads)
.toString();
}
/**
* Creates a builder for {@link ImmutableRefreshLimiterConfig ImmutableRefreshLimiterConfig}.
*
* ImmutableRefreshLimiterConfig.builder()
* .coreThreads(int) // optional {@link RefreshLimiterConfig#getCoreThreads() coreThreads}
* .defaultPermitsPerSecond(double) // optional {@link RefreshLimiterConfig#getDefaultPermitsPerSecond() defaultPermitsPerSecond}
* .maximumThreads(int) // optional {@link RefreshLimiterConfig#getMaximumThreads() maximumThreads}
* .putRateLimiter|putAllRateLimiter(String => com.google.common.util.concurrent.RateLimiter) // {@link RefreshLimiterConfig#getRateLimiter() rateLimiter} mappings
* .retryer(com.arakelian.retry.Retryer<com.arakelian.elastic.model.Refresh>) // optional {@link RefreshLimiterConfig#getRetryer() retryer}
* .build();
*
* @return A new ImmutableRefreshLimiterConfig builder
*/
public static ImmutableRefreshLimiterConfig.Builder builder() {
return new ImmutableRefreshLimiterConfig.Builder();
}
/**
* Builds instances of type {@link ImmutableRefreshLimiterConfig ImmutableRefreshLimiterConfig}.
* 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 = "RefreshLimiterConfig", generator = "Immutables")
@NotThreadSafe
public static final class Builder {
private static final long OPT_BIT_CORE_THREADS = 0x1L;
private static final long OPT_BIT_DEFAULT_PERMITS_PER_SECOND = 0x2L;
private static final long OPT_BIT_MAXIMUM_THREADS = 0x4L;
private long optBits;
private int coreThreads;
private double defaultPermitsPerSecond;
private int maximumThreads;
private ImmutableMap.Builder rateLimiter = ImmutableMap.builder();
private @Nullable Retryer retryer;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code RefreshLimiterConfig} instance.
* Regular attribute values will be replaced with those from the given instance.
* Absent optional values will not replace present values.
* Collection elements and entries will be added, not replaced.
* @param instance The instance from which to copy values
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder from(RefreshLimiterConfig instance) {
Objects.requireNonNull(instance, "instance");
coreThreads(instance.getCoreThreads());
defaultPermitsPerSecond(instance.getDefaultPermitsPerSecond());
maximumThreads(instance.getMaximumThreads());
putAllRateLimiter(instance.getRateLimiter());
retryer(instance.getRetryer());
return this;
}
/**
* Initializes the value for the {@link RefreshLimiterConfig#getCoreThreads() coreThreads} attribute.
* If not set, this attribute will have a default value as returned by the initializer of {@link RefreshLimiterConfig#getCoreThreads() coreThreads}.
* @param coreThreads The value for coreThreads
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder coreThreads(int coreThreads) {
this.coreThreads = coreThreads;
optBits |= OPT_BIT_CORE_THREADS;
return this;
}
/**
* Initializes the value for the {@link RefreshLimiterConfig#getDefaultPermitsPerSecond() defaultPermitsPerSecond} attribute.
*
If not set, this attribute will have a default value as returned by the initializer of {@link RefreshLimiterConfig#getDefaultPermitsPerSecond() defaultPermitsPerSecond}.
* @param defaultPermitsPerSecond The value for defaultPermitsPerSecond
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder defaultPermitsPerSecond(double defaultPermitsPerSecond) {
this.defaultPermitsPerSecond = defaultPermitsPerSecond;
optBits |= OPT_BIT_DEFAULT_PERMITS_PER_SECOND;
return this;
}
/**
* Initializes the value for the {@link RefreshLimiterConfig#getMaximumThreads() maximumThreads} attribute.
*
If not set, this attribute will have a default value as returned by the initializer of {@link RefreshLimiterConfig#getMaximumThreads() maximumThreads}.
* @param maximumThreads The value for maximumThreads
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder maximumThreads(int maximumThreads) {
this.maximumThreads = maximumThreads;
optBits |= OPT_BIT_MAXIMUM_THREADS;
return this;
}
/**
* Put one entry to the {@link RefreshLimiterConfig#getRateLimiter() rateLimiter} map.
* @param key The key in the rateLimiter map
* @param value The associated value in the rateLimiter map
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder putRateLimiter(String key, RateLimiter value) {
this.rateLimiter.put(key, value);
return this;
}
/**
* Put one entry to the {@link RefreshLimiterConfig#getRateLimiter() rateLimiter} map. Nulls are not permitted
* @param entry The key and value entry
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder putRateLimiter(Map.Entry entry) {
this.rateLimiter.put(entry);
return this;
}
/**
* Sets or replaces all mappings from the specified map as entries for the {@link RefreshLimiterConfig#getRateLimiter() rateLimiter} map. Nulls are not permitted
* @param entries The entries that will be added to the rateLimiter map
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder rateLimiter(Map entries) {
this.rateLimiter = ImmutableMap.builder();
return putAllRateLimiter(entries);
}
/**
* Put all mappings from the specified map as entries to {@link RefreshLimiterConfig#getRateLimiter() rateLimiter} map. Nulls are not permitted
* @param entries The entries that will be added to the rateLimiter map
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder putAllRateLimiter(Map entries) {
this.rateLimiter.putAll(entries);
return this;
}
/**
* Initializes the value for the {@link RefreshLimiterConfig#getRetryer() retryer} attribute.
* If not set, this attribute will have a default value as returned by the initializer of {@link RefreshLimiterConfig#getRetryer() retryer}.
* @param retryer The value for retryer
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder retryer(Retryer retryer) {
this.retryer = Objects.requireNonNull(retryer, "retryer");
return this;
}
/**
* Builds a new {@link ImmutableRefreshLimiterConfig ImmutableRefreshLimiterConfig}.
* @return An immutable instance of RefreshLimiterConfig
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableRefreshLimiterConfig build() {
return new ImmutableRefreshLimiterConfig(this);
}
private boolean coreThreadsIsSet() {
return (optBits & OPT_BIT_CORE_THREADS) != 0;
}
private boolean defaultPermitsPerSecondIsSet() {
return (optBits & OPT_BIT_DEFAULT_PERMITS_PER_SECOND) != 0;
}
private boolean maximumThreadsIsSet() {
return (optBits & OPT_BIT_MAXIMUM_THREADS) != 0;
}
}
}