org.glowroot.instrumentation.engine.util.ImmutableObjectNamePair Maven / Gradle / Ivy
package org.glowroot.instrumentation.engine.util;
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 javax.management.ObjectName;
import org.immutables.value.Generated;
/**
* Immutable implementation of {@link LazyPlatformMBeanServer.ObjectNamePair}.
*
* Use the builder to create immutable instances:
* {@code ImmutableObjectNamePair.builder()}.
* Use the static factory method to create immutable instances:
* {@code ImmutableObjectNamePair.of()}.
*/
@Generated(from = "LazyPlatformMBeanServer.ObjectNamePair", generator = "Immutables")
@SuppressWarnings({"all"})
@javax.annotation.Generated("org.immutables.processor.ProxyProcessor")
final class ImmutableObjectNamePair
implements LazyPlatformMBeanServer.ObjectNamePair {
private final Object object;
private final ObjectName name;
private ImmutableObjectNamePair(Object object, ObjectName name) {
this.object = Preconditions.checkNotNull(object, "object");
this.name = Preconditions.checkNotNull(name, "name");
}
private ImmutableObjectNamePair(ImmutableObjectNamePair original, Object object, ObjectName name) {
this.object = object;
this.name = name;
}
/**
* @return The value of the {@code object} attribute
*/
@Override
public Object object() {
return object;
}
/**
* @return The value of the {@code name} attribute
*/
@Override
public ObjectName name() {
return name;
}
/**
* Copy the current immutable object by setting a value for the {@link LazyPlatformMBeanServer.ObjectNamePair#object() object} 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 object
* @return A modified copy of the {@code this} object
*/
public final ImmutableObjectNamePair withObject(Object value) {
if (this.object == value) return this;
Object newValue = Preconditions.checkNotNull(value, "object");
return new ImmutableObjectNamePair(this, newValue, this.name);
}
/**
* Copy the current immutable object by setting a value for the {@link LazyPlatformMBeanServer.ObjectNamePair#name() name} 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 name
* @return A modified copy of the {@code this} object
*/
public final ImmutableObjectNamePair withName(ObjectName value) {
if (this.name == value) return this;
ObjectName newValue = Preconditions.checkNotNull(value, "name");
return new ImmutableObjectNamePair(this, this.object, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableObjectNamePair} 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 ImmutableObjectNamePair
&& equalTo((ImmutableObjectNamePair) another);
}
private boolean equalTo(ImmutableObjectNamePair another) {
return object.equals(another.object)
&& name.equals(another.name);
}
/**
* Computes a hash code from attributes: {@code object}, {@code name}.
* @return hashCode value
*/
@Override
public int hashCode() {
int h = 5381;
h += (h << 5) + object.hashCode();
h += (h << 5) + name.hashCode();
return h;
}
/**
* Prints the immutable value {@code ObjectNamePair} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("ObjectNamePair")
.omitNullValues()
.add("object", object)
.add("name", name)
.toString();
}
/**
* Construct a new immutable {@code ObjectNamePair} instance.
* @param object The value for the {@code object} attribute
* @param name The value for the {@code name} attribute
* @return An immutable ObjectNamePair instance
*/
public static ImmutableObjectNamePair of(Object object, ObjectName name) {
return new ImmutableObjectNamePair(object, name);
}
/**
* Creates an immutable copy of a {@link LazyPlatformMBeanServer.ObjectNamePair} 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 ObjectNamePair instance
*/
public static ImmutableObjectNamePair copyOf(LazyPlatformMBeanServer.ObjectNamePair instance) {
if (instance instanceof ImmutableObjectNamePair) {
return (ImmutableObjectNamePair) instance;
}
return ImmutableObjectNamePair.builder()
.from(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableObjectNamePair ImmutableObjectNamePair}.
*
* ImmutableObjectNamePair.builder()
* .object(Object) // required {@link LazyPlatformMBeanServer.ObjectNamePair#object() object}
* .name(javax.management.ObjectName) // required {@link LazyPlatformMBeanServer.ObjectNamePair#name() name}
* .build();
*
* @return A new ImmutableObjectNamePair builder
*/
public static ImmutableObjectNamePair.Builder builder() {
return new ImmutableObjectNamePair.Builder();
}
/**
* Builds instances of type {@link ImmutableObjectNamePair ImmutableObjectNamePair}.
* 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 = "LazyPlatformMBeanServer.ObjectNamePair", generator = "Immutables")
public static final class Builder {
private static final long INIT_BIT_OBJECT = 0x1L;
private static final long INIT_BIT_NAME = 0x2L;
private long initBits = 0x3L;
private Object object;
private ObjectName name;
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code ObjectNamePair} 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(LazyPlatformMBeanServer.ObjectNamePair instance) {
Preconditions.checkNotNull(instance, "instance");
object(instance.object());
name(instance.name());
return this;
}
/**
* Initializes the value for the {@link LazyPlatformMBeanServer.ObjectNamePair#object() object} attribute.
* @param object The value for object
* @return {@code this} builder for use in a chained invocation
*/
public final Builder object(Object object) {
this.object = Preconditions.checkNotNull(object, "object");
initBits &= ~INIT_BIT_OBJECT;
return this;
}
/**
* Initializes the value for the {@link LazyPlatformMBeanServer.ObjectNamePair#name() name} attribute.
* @param name The value for name
* @return {@code this} builder for use in a chained invocation
*/
public final Builder name(ObjectName name) {
this.name = Preconditions.checkNotNull(name, "name");
initBits &= ~INIT_BIT_NAME;
return this;
}
/**
* Builds a new {@link ImmutableObjectNamePair ImmutableObjectNamePair}.
* @return An immutable instance of ObjectNamePair
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableObjectNamePair build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableObjectNamePair(null, object, name);
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList();
if ((initBits & INIT_BIT_OBJECT) != 0) attributes.add("object");
if ((initBits & INIT_BIT_NAME) != 0) attributes.add("name");
return "Cannot build ObjectNamePair, some of required attributes are not set " + attributes;
}
}
}