org.glowroot.agent.config.ImmutableMBeanAttribute Maven / Gradle / Ivy
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package org.glowroot.agent.config;
import org.glowroot.agent.shaded.com.fasterxml.jackson.annotation.JsonAutoDetect;
import org.glowroot.agent.shaded.com.fasterxml.jackson.annotation.JsonCreator;
import org.glowroot.agent.shaded.com.fasterxml.jackson.annotation.JsonInclude;
import org.glowroot.agent.shaded.com.fasterxml.jackson.annotation.JsonProperty;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.com.google.common.base.MoreObjects;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.com.google.common.base.Preconditions;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.com.google.common.collect.Lists;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.com.google.common.primitives.Booleans;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.List;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.javax.annotation.CheckReturnValue;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.javax.annotation.Generated;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.javax.annotation.Nullable;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.javax.annotation.ParametersAreNonnullByDefault;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.javax.annotation.concurrent.Immutable;
import org.glowroot.agent.shaded.org.glowroot.agent.it.harness.shaded.javax.annotation.concurrent.NotThreadSafe;
/**
* Immutable implementation of {@link GaugeConfig.MBeanAttribute}.
*
* Use the builder to create immutable instances:
* {@code ImmutableMBeanAttribute.builder()}.
* Use the static factory method to create immutable instances:
* {@code ImmutableMBeanAttribute.of()}.
*/
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@Generated({"Immutables.generator", "GaugeConfig.MBeanAttribute"})
@Immutable
@CheckReturnValue
public final class ImmutableMBeanAttribute extends GaugeConfig.MBeanAttribute {
private final String name;
private final boolean counter;
private ImmutableMBeanAttribute(String name, boolean counter) {
this.name = Preconditions.checkNotNull(name, "name");
this.counter = counter;
}
private ImmutableMBeanAttribute(ImmutableMBeanAttribute.Builder builder) {
this.name = builder.name;
this.counter = builder.counterIsSet()
? builder.counter
: super.counter();
}
private ImmutableMBeanAttribute(ImmutableMBeanAttribute original, String name, boolean counter) {
this.name = name;
this.counter = counter;
}
/**
* @return The value of the {@code name} attribute
*/
@JsonProperty("name")
@Override
public String name() {
return name;
}
/**
* @return The value of the {@code counter} attribute
*/
@JsonProperty("counter")
@JsonInclude(JsonInclude.Include.NON_EMPTY)
@Override
public boolean counter() {
return counter;
}
/**
* Copy the current immutable object by setting a value for the {@link GaugeConfig.MBeanAttribute#name() name} attribute.
* An equals check used to prevent copying of the same value by returning {@code this}.
* @param value A new value for name
* @return A modified copy of the {@code this} object
*/
public final ImmutableMBeanAttribute withName(String value) {
if (this.name.equals(value)) return this;
String newValue = Preconditions.checkNotNull(value, "name");
return new ImmutableMBeanAttribute(this, newValue, this.counter);
}
/**
* Copy the current immutable object by setting a value for the {@link GaugeConfig.MBeanAttribute#counter() counter} attribute.
* A value equality check is used to prevent copying of the same value by returning {@code this}.
* @param value A new value for counter
* @return A modified copy of the {@code this} object
*/
public final ImmutableMBeanAttribute withCounter(boolean value) {
if (this.counter == value) return this;
return new ImmutableMBeanAttribute(this, this.name, value);
}
/**
* This instance is equal to all instances of {@code ImmutableMBeanAttribute} 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 ImmutableMBeanAttribute
&& equalTo((ImmutableMBeanAttribute) another);
}
private boolean equalTo(ImmutableMBeanAttribute another) {
return name.equals(another.name)
&& counter == another.counter;
}
/**
* Computes a hash code from attributes: {@code name}, {@code counter}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + name.hashCode();
h += (h << 5) + Booleans.hashCode(counter);
return h;
}
/**
* Prints the immutable value {@code MBeanAttribute} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("MBeanAttribute")
.omitNullValues()
.add("name", name)
.add("counter", counter)
.toString();
}
/**
* Utility type used to correctly read immutable object from JSON representation.
* @deprecated Do not use this type directly, it exists only for the Jackson-binding infrastructure
*/
@Deprecated
@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.NONE)
static final class Json extends GaugeConfig.MBeanAttribute {
@Nullable String name;
boolean counter;
boolean counterIsSet;
@JsonProperty("name")
public void setName(String name) {
this.name = name;
}
@JsonProperty("counter")
@JsonInclude(JsonInclude.Include.NON_EMPTY)
public void setCounter(boolean counter) {
this.counter = counter;
this.counterIsSet = true;
}
@Override
public String name() { throw new UnsupportedOperationException(); }
@Override
public boolean counter() { throw new UnsupportedOperationException(); }
}
/**
* @param json A JSON-bindable data structure
* @return An immutable value type
* @deprecated Do not use this method directly, it exists only for the Jackson-binding infrastructure
*/
@Deprecated
@JsonCreator(mode = JsonCreator.Mode.DELEGATING)
static ImmutableMBeanAttribute fromJson(Json json) {
ImmutableMBeanAttribute.Builder builder = ImmutableMBeanAttribute.builder();
if (json.name != null) {
builder.name(json.name);
}
if (json.counterIsSet) {
builder.counter(json.counter);
}
return builder.build();
}
/**
* Construct a new immutable {@code MBeanAttribute} instance.
* @param name The value for the {@code name} attribute
* @param counter The value for the {@code counter} attribute
* @return An immutable MBeanAttribute instance
*/
public static ImmutableMBeanAttribute of(String name, boolean counter) {
return new ImmutableMBeanAttribute(name, counter);
}
/**
* Creates an immutable copy of a {@link GaugeConfig.MBeanAttribute} 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 MBeanAttribute instance
*/
public static ImmutableMBeanAttribute copyOf(GaugeConfig.MBeanAttribute instance) {
if (instance instanceof ImmutableMBeanAttribute) {
return (ImmutableMBeanAttribute) instance;
}
return ImmutableMBeanAttribute.builder()
.copyFrom(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableMBeanAttribute ImmutableMBeanAttribute}.
* @return A new ImmutableMBeanAttribute builder
*/
public static ImmutableMBeanAttribute.Builder builder() {
return new ImmutableMBeanAttribute.Builder();
}
/**
* Builds instances of type {@link ImmutableMBeanAttribute ImmutableMBeanAttribute}.
* 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.
*/
@NotThreadSafe
public static final class Builder {
private static final long INIT_BIT_NAME = 0x1L;
private static final long OPT_BIT_COUNTER = 0x1L;
private long initBits = 0x1L;
private long optBits;
private @Nullable String name;
private boolean counter;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code MBeanAttribute} 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 copyFrom(GaugeConfig.MBeanAttribute instance) {
Preconditions.checkNotNull(instance, "instance");
name(instance.name());
counter(instance.counter());
return this;
}
/**
* Initializes the value for the {@link GaugeConfig.MBeanAttribute#name() name} attribute.
* @param name The value for name
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder name(String name) {
this.name = Preconditions.checkNotNull(name, "name");
initBits &= ~INIT_BIT_NAME;
return this;
}
/**
* Initializes the value for the {@link GaugeConfig.MBeanAttribute#counter() counter} attribute.
*
If not set, this attribute will have a default value as returned by the initializer of {@link GaugeConfig.MBeanAttribute#counter() counter}.
* @param counter The value for counter
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder counter(boolean counter) {
this.counter = counter;
optBits |= OPT_BIT_COUNTER;
return this;
}
/**
* Builds a new {@link ImmutableMBeanAttribute ImmutableMBeanAttribute}.
* @return An immutable instance of MBeanAttribute
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableMBeanAttribute build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableMBeanAttribute(this);
}
private boolean counterIsSet() {
return (optBits & OPT_BIT_COUNTER) != 0;
}
private String formatRequiredAttributesMessage() {
List attributes = Lists.newArrayList();
if ((initBits & INIT_BIT_NAME) != 0) attributes.add("name");
return "Cannot build MBeanAttribute, some of required attributes are not set " + attributes;
}
}
}