org.glowroot.agent.weaving.ImmutableLazyDefinedClass Maven / Gradle / Ivy
package org.glowroot.agent.weaving;
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.JsonProperty;
import org.glowroot.agent.shaded.com.google.common.base.MoreObjects;
import org.glowroot.agent.shaded.com.google.common.base.Preconditions;
import org.glowroot.agent.shaded.com.google.common.collect.ImmutableList;
import org.glowroot.agent.shaded.org.glowroot.agent.shaded.com.google.errorprone.annotations.CanIgnoreReturnValue;
import org.glowroot.agent.shaded.org.glowroot.agent.shaded.com.google.errorprone.annotations.Var;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.glowroot.agent.shaded.javax.annotation.CheckReturnValue;
import org.glowroot.agent.shaded.javax.annotation.Generated;
import org.glowroot.agent.shaded.javax.annotation.Nullable;
import org.glowroot.agent.shaded.javax.annotation.ParametersAreNonnullByDefault;
import org.glowroot.agent.shaded.javax.annotation.concurrent.Immutable;
import org.glowroot.agent.shaded.javax.annotation.concurrent.NotThreadSafe;
import org.glowroot.agent.shaded.org.objectweb.asm.Type;
/**
* Immutable implementation of {@link ClassLoaders.LazyDefinedClass}.
*
* Use the builder to create immutable instances:
* {@code ImmutableLazyDefinedClass.builder()}.
*/
@SuppressWarnings({"all"})
@ParametersAreNonnullByDefault
@Generated("org.immutables.processor.ProxyProcessor")
@Immutable
@CheckReturnValue
public final class ImmutableLazyDefinedClass
implements ClassLoaders.LazyDefinedClass {
private final Type type;
private final byte[] bytes;
private final ImmutableList dependencies;
private ImmutableLazyDefinedClass(
Type type,
byte[] bytes,
ImmutableList dependencies) {
this.type = type;
this.bytes = bytes;
this.dependencies = dependencies;
}
/**
* @return The value of the {@code type} attribute
*/
@JsonProperty("type")
@Override
public Type type() {
return type;
}
/**
* @return A cloned {@code bytes} array
*/
@JsonProperty("bytes")
@Override
public byte[] bytes() {
return bytes.clone();
}
/**
* @return The value of the {@code dependencies} attribute
*/
@JsonProperty("dependencies")
@Override
public ImmutableList dependencies() {
return dependencies;
}
/**
* Copy the current immutable object by setting a value for the {@link ClassLoaders.LazyDefinedClass#type() type} 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 type
* @return A modified copy of the {@code this} object
*/
public final ImmutableLazyDefinedClass withType(Type value) {
if (this.type == value) return this;
Type newValue = Preconditions.checkNotNull(value, "type");
return new ImmutableLazyDefinedClass(newValue, this.bytes, this.dependencies);
}
/**
* Copy the current immutable object with elements that replace the content of {@link ClassLoaders.LazyDefinedClass#bytes() bytes}.
* The array is cloned before being saved as attribute values.
* @param elements The non-null elements for bytes
* @return A modified copy of {@code this} object
*/
public final ImmutableLazyDefinedClass withBytes(byte... elements) {
byte[] newValue = elements.clone();
return new ImmutableLazyDefinedClass(this.type, newValue, this.dependencies);
}
/**
* Copy the current immutable object with elements that replace the content of {@link ClassLoaders.LazyDefinedClass#dependencies() dependencies}.
* @param elements The elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableLazyDefinedClass withDependencies(ClassLoaders.LazyDefinedClass... elements) {
ImmutableList newValue = ImmutableList.copyOf(elements);
return new ImmutableLazyDefinedClass(this.type, this.bytes, newValue);
}
/**
* Copy the current immutable object with elements that replace the content of {@link ClassLoaders.LazyDefinedClass#dependencies() dependencies}.
* A shallow reference equality check is used to prevent copying of the same value by returning {@code this}.
* @param elements An iterable of dependencies elements to set
* @return A modified copy of {@code this} object
*/
public final ImmutableLazyDefinedClass withDependencies(Iterable elements) {
if (this.dependencies == elements) return this;
ImmutableList newValue = ImmutableList.copyOf(elements);
return new ImmutableLazyDefinedClass(this.type, this.bytes, newValue);
}
/**
* This instance is equal to all instances of {@code ImmutableLazyDefinedClass} 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 ImmutableLazyDefinedClass
&& equalTo((ImmutableLazyDefinedClass) another);
}
private boolean equalTo(ImmutableLazyDefinedClass another) {
return type.equals(another.type)
&& Arrays.equals(bytes, another.bytes)
&& dependencies.equals(another.dependencies);
}
/**
* Computes a hash code from attributes: {@code type}, {@code bytes}, {@code dependencies}.
* @return hashCode value
*/
@Override
public int hashCode() {
@Var int h = 5381;
h += (h << 5) + type.hashCode();
h += (h << 5) + Arrays.hashCode(bytes);
h += (h << 5) + dependencies.hashCode();
return h;
}
/**
* Prints the immutable value {@code LazyDefinedClass} with attribute values.
* @return A string representation of the value
*/
@Override
public String toString() {
return MoreObjects.toStringHelper("LazyDefinedClass")
.omitNullValues()
.add("type", type)
.add("bytes", Arrays.toString(bytes))
.add("dependencies", dependencies)
.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
@SuppressWarnings("Immutable")
@JsonAutoDetect(fieldVisibility = JsonAutoDetect.Visibility.NONE)
static final class Json implements ClassLoaders.LazyDefinedClass {
@Nullable Type type;
@Nullable byte[] bytes;
@Nullable ImmutableList dependencies = ImmutableList.of();
@JsonProperty("type")
public void setType(Type type) {
this.type = type;
}
@JsonProperty("bytes")
public void setBytes(byte[] bytes) {
this.bytes = bytes;
}
@JsonProperty("dependencies")
public void setDependencies(ImmutableList dependencies) {
this.dependencies = dependencies;
}
@Override
public Type type() { throw new UnsupportedOperationException(); }
@Override
public byte[] bytes() { throw new UnsupportedOperationException(); }
@Override
public ImmutableList dependencies() { 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 ImmutableLazyDefinedClass fromJson(Json json) {
ImmutableLazyDefinedClass.Builder builder = ImmutableLazyDefinedClass.builder();
if (json.type != null) {
builder.type(json.type);
}
if (json.bytes != null) {
builder.bytes(json.bytes);
}
if (json.dependencies != null) {
builder.addAllDependencies(json.dependencies);
}
return builder.build();
}
/**
* Creates an immutable copy of a {@link ClassLoaders.LazyDefinedClass} 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 LazyDefinedClass instance
*/
public static ImmutableLazyDefinedClass copyOf(ClassLoaders.LazyDefinedClass instance) {
if (instance instanceof ImmutableLazyDefinedClass) {
return (ImmutableLazyDefinedClass) instance;
}
return ImmutableLazyDefinedClass.builder()
.copyFrom(instance)
.build();
}
/**
* Creates a builder for {@link ImmutableLazyDefinedClass ImmutableLazyDefinedClass}.
* @return A new ImmutableLazyDefinedClass builder
*/
public static ImmutableLazyDefinedClass.Builder builder() {
return new ImmutableLazyDefinedClass.Builder();
}
/**
* Builds instances of type {@link ImmutableLazyDefinedClass ImmutableLazyDefinedClass}.
* 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_TYPE = 0x1L;
private static final long INIT_BIT_BYTES = 0x2L;
private long initBits = 0x3L;
private @Nullable Type type;
private @Nullable byte[] bytes;
private ImmutableList.Builder dependencies = ImmutableList.builder();
private Builder() {
}
/**
* Fill a builder with attribute values from the provided {@code LazyDefinedClass} 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 copyFrom(ClassLoaders.LazyDefinedClass instance) {
Preconditions.checkNotNull(instance, "instance");
type(instance.type());
bytes(instance.bytes());
addAllDependencies(instance.dependencies());
return this;
}
/**
* Initializes the value for the {@link ClassLoaders.LazyDefinedClass#type() type} attribute.
* @param type The value for type
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder type(Type type) {
this.type = Preconditions.checkNotNull(type, "type");
initBits &= ~INIT_BIT_TYPE;
return this;
}
/**
* Initializes the value for the {@link ClassLoaders.LazyDefinedClass#bytes() bytes} attribute.
* @param bytes The elements for bytes
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder bytes(byte... bytes) {
this.bytes = bytes.clone();
initBits &= ~INIT_BIT_BYTES;
return this;
}
/**
* Adds one element to {@link ClassLoaders.LazyDefinedClass#dependencies() dependencies} list.
* @param element A dependencies element
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder addDependencies(ClassLoaders.LazyDefinedClass element) {
this.dependencies.add(element);
return this;
}
/**
* Adds elements to {@link ClassLoaders.LazyDefinedClass#dependencies() dependencies} list.
* @param elements An array of dependencies elements
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder addDependencies(ClassLoaders.LazyDefinedClass... elements) {
this.dependencies.add(elements);
return this;
}
/**
* Sets or replaces all elements for {@link ClassLoaders.LazyDefinedClass#dependencies() dependencies} list.
* @param elements An iterable of dependencies elements
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder dependencies(Iterable elements) {
this.dependencies = ImmutableList.builder();
return addAllDependencies(elements);
}
/**
* Adds elements to {@link ClassLoaders.LazyDefinedClass#dependencies() dependencies} list.
* @param elements An iterable of dependencies elements
* @return {@code this} builder for use in a chained invocation
*/
@CanIgnoreReturnValue
public final Builder addAllDependencies(Iterable elements) {
this.dependencies.addAll(elements);
return this;
}
/**
* Builds a new {@link ImmutableLazyDefinedClass ImmutableLazyDefinedClass}.
* @return An immutable instance of LazyDefinedClass
* @throws java.lang.IllegalStateException if any required attributes are missing
*/
public ImmutableLazyDefinedClass build() {
if (initBits != 0) {
throw new IllegalStateException(formatRequiredAttributesMessage());
}
return new ImmutableLazyDefinedClass(type, bytes, dependencies.build());
}
private String formatRequiredAttributesMessage() {
List attributes = new ArrayList();
if ((initBits & INIT_BIT_TYPE) != 0) attributes.add("type");
if ((initBits & INIT_BIT_BYTES) != 0) attributes.add("bytes");
return "Cannot build LazyDefinedClass, some of required attributes are not set " + attributes;
}
}
}