org.glowroot.instrumentation.engine.weaving.ImmutableAdviceMatcher Maven / Gradle / Ivy
package org.glowroot.instrumentation.engine.weaving;
import org.glowroot.instrumentation.test.harness.shaded.com.google.common.base.MoreObjects;
import org.glowroot.instrumentation.test.harness.shaded.com.google.common.base.Preconditions;
import java.util.ArrayList;
import java.util.List;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link AdviceMatcher}.
*
* Use the builder to create immutable instances:
* {@code ImmutableAdviceMatcher.builder()}.
*/
@Generated(from = "AdviceMatcher", generator = "Immutables")
@SuppressWarnings({"all"})
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
final class ImmutableAdviceMatcher extends AdviceMatcher {
private final Advice advice;
private ImmutableAdviceMatcher(Advice advice) {
this.advice = advice;
}
/**
* @return The value of the {@code advice} attribute
*/
@Override
Advice advice() {
return advice;
}
/**
* Copy the current immutable object by setting a value for the {@link AdviceMatcher#advice() advice} 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 advice
* @return A modified copy of the {@code this} object
*/
public final ImmutableAdviceMatcher withAdvice(Advice value) {
if (this.advice == value) return this;
Advice newValue = Preconditions.checkNotNull(value, "advice");
return new ImmutableAdviceMatcher(newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableAdviceMatcher} that have equal attribute values.
* @return {@code true} if {@code this} is equal to {@code another} instance
*/
@Override
public boolean equals(Object another) {
if (this == another) return true;
return another instanceof ImmutableAdviceMatcher
&& equalTo((ImmutableAdviceMatcher) another);
}
private boolean equalTo(ImmutableAdviceMatcher another) {
return advice.equals(another.advice);
}
/**
* Computes a hash code from attributes: {@code advice}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + advice.hashCode();
return h;
}
/**
* Prints the immutable value {@code AdviceMatcher} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("AdviceMatcher")
.omitNullValues()
.add("advice", advice)
.toString();
}
/**
* Creates an immutable copy of a {@link AdviceMatcher} 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 AdviceMatcher instance
*/
public static ImmutableAdviceMatcher copyOf(AdviceMatcher instance) {
if (instance instanceof ImmutableAdviceMatcher) {
return (ImmutableAdviceMatcher) instance;
}
return ImmutableAdviceMatcher.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableAdviceMatcher ImmutableAdviceMatcher}.
*
* ImmutableAdviceMatcher.builder()
* .advice(org.glowroot.instrumentation.engine.weaving.Advice) // required {@link AdviceMatcher#advice() advice}
* .build();
*
* @return A new ImmutableAdviceMatcher builder
*/
public static ImmutableAdviceMatcher.Builder builder() {
return new ImmutableAdviceMatcher.Builder();
}
/**
* Builds instances of type {@link ImmutableAdviceMatcher ImmutableAdviceMatcher}.
* 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 = "AdviceMatcher", generator = "Immutables")
public static final class Builder {
private static final long INIT_BIT_ADVICE = 0x1L;
private long initBits = 0x1L;
private Advice advice;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code AdviceMatcher} 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
*/
public final Builder from(AdviceMatcher instance) {
Preconditions.checkNotNull(instance, "instance");
advice(instance.advice());
return this;
}
/**
* Initializes the value for the {@link AdviceMatcher#advice() advice} attribute.
* @param advice The value for advice
* @return {@code this} builder for use in a chained invocation
*/
public final Builder advice(Advice advice) {
this.advice = Preconditions.checkNotNull(advice, "advice");
initBits &= ~INIT_BIT_ADVICE;
return this;
}
/**
* Builds a new {@link ImmutableAdviceMatcher ImmutableAdviceMatcher}.
* @return An immutable instance of AdviceMatcher
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableAdviceMatcher build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableAdviceMatcher(advice);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList();
if ((initBits & INIT_BIT_ADVICE) != 0) attributes.add("advice");
return "Cannot build AdviceMatcher, some of required attributes are not set " + attributes;
}
}
}