下面列出了java.lang.reflect.Modifier#isVolatile ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* 添加修饰符
*
* @param mod 修饰符变量
* @param builder 字符串构建器
* @return 字符串构建器
*/
protected StringBuilder modifier(final int mod, final StringBuilder builder) {
if (Modifier.isPublic(mod)) {
builder.append("public");
} else if (Modifier.isProtected(mod)) {
builder.append("protected");
} else if (Modifier.isPrivate(mod)) {
builder.append("private");
}
if (Modifier.isStatic(mod)) {
builder.append(" static");
}
if (Modifier.isVolatile(mod)) {
builder.append(" volatile");
}
return builder;
}
CASUpdater(final Class<T> tclass, final String fieldName,
final Class<?> caller) {
final Field field;
final int modifiers;
try {
field = tclass.getDeclaredField(fieldName); // android-changed
modifiers = field.getModifiers();
// BEGIN Android-removed
// sun.reflect.misc.ReflectUtil.ensureMemberAccess(
// caller, tclass, null, modifiers);
// ClassLoader cl = tclass.getClassLoader();
// ClassLoader ccl = caller.getClassLoader();
// if ((ccl != null) && (ccl != cl) &&
// ((cl == null) || !isAncestor(cl, ccl))) {
// sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
// }
// END Android-removed
// BEGIN Android-removed
// } catch (PrivilegedActionException pae) {
// throw new RuntimeException(pae.getException());
// END Android-removed
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if (field.getType() != long.class)
throw new IllegalArgumentException("Must be long type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
this.cclass = (Modifier.isProtected(modifiers)) ? caller : tclass;
this.tclass = tclass;
this.offset = U.objectFieldOffset(field);
}
AtomicIntegerFieldUpdaterImpl(final Class<T> tclass,
final String fieldName,
final Class<?> caller) {
final Field field;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
Class<?> fieldt = field.getType();
if (fieldt != int.class)
throw new IllegalArgumentException("Must be integer type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
this.cclass = (Modifier.isProtected(modifiers) &&
caller != tclass) ? caller : null;
this.tclass = tclass;
offset = unsafe.objectFieldOffset(field);
}
CASUpdater(final Class<T> tclass, final String fieldName,
final Class<?> caller) {
final Field field;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
Class<?> fieldt = field.getType();
if (fieldt != long.class)
throw new IllegalArgumentException("Must be long type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
this.cclass = (Modifier.isProtected(modifiers) &&
caller != tclass) ? caller : null;
this.tclass = tclass;
offset = unsafe.objectFieldOffset(field);
}
UnsafeAtomicIntegerFieldUpdater(Unsafe unsafe, Class<?> tClass, String fieldName) throws NoSuchFieldException {
Field field = tClass.getDeclaredField(fieldName);
if (!Modifier.isVolatile(field.getModifiers())) {
throw new IllegalArgumentException("Must be volatile");
}
this.unsafe = unsafe;
offset = unsafe.objectFieldOffset(field);
}
UnsafeAtomicLongFieldUpdater(Unsafe unsafe, Class<?> tClass, String fieldName) throws NoSuchFieldException {
Field field = tClass.getDeclaredField(fieldName);
if (!Modifier.isVolatile(field.getModifiers())) {
throw new IllegalArgumentException("Must be volatile");
}
this.unsafe = unsafe;
offset = unsafe.objectFieldOffset(field);
}
LockedUpdater(final Class<T> tclass, final String fieldName,
final Class<?> caller) {
Field field = null;
int modifiers = 0;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
Class<?> fieldt = field.getType();
if (fieldt != long.class)
throw new IllegalArgumentException("Must be long type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
this.cclass = (Modifier.isProtected(modifiers) &&
caller != tclass) ? caller : null;
this.tclass = tclass;
offset = unsafe.objectFieldOffset(field);
}
AtomicIntegerFieldUpdaterImpl(final Class<T> tclass,
final String fieldName,
final Class<?> caller) {
final Field field;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if (field.getType() != int.class)
throw new IllegalArgumentException("Must be integer type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
// Access to protected field members is restricted to receivers only
// of the accessing class, or one of its subclasses, and the
// accessing class must in turn be a subclass (or package sibling)
// of the protected member's defining class.
// If the updater refers to a protected field of a declaring class
// outside the current package, the receiver argument will be
// narrowed to the type of the accessing class.
this.cclass = (Modifier.isProtected(modifiers) &&
tclass.isAssignableFrom(caller) &&
!isSamePackage(tclass, caller))
? caller : tclass;
this.tclass = tclass;
this.offset = U.objectFieldOffset(field);
}
static FieldAccessor newFieldAccessor(Field field, boolean override) {
Class type = field.getType();
boolean isStatic = Modifier.isStatic(field.getModifiers());
boolean isFinal = Modifier.isFinal(field.getModifiers());
boolean isVolatile = Modifier.isVolatile(field.getModifiers());
boolean isQualified = isFinal || isVolatile;
boolean isReadOnly = isFinal && (isStatic || !override);
if (isStatic) {
// This code path does not guarantee that the field's
// declaring class has been initialized, but it must be
// before performing reflective operations.
UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass());
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeStaticBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeStaticByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeStaticShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeStaticCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeStaticIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeStaticLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeStaticFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeStaticDoubleFieldAccessorImpl(field);
} else {
return new UnsafeStaticObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly);
}
}
} else {
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeDoubleFieldAccessorImpl(field);
} else {
return new UnsafeObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly);
}
}
}
}
static FieldAccessor newFieldAccessor(Field field, boolean override) {
Class<?> type = field.getType();
boolean isStatic = Modifier.isStatic(field.getModifiers());
boolean isFinal = Modifier.isFinal(field.getModifiers());
boolean isVolatile = Modifier.isVolatile(field.getModifiers());
boolean isQualified = isFinal || isVolatile;
boolean isReadOnly = isFinal && (isStatic || !override);
if (isStatic) {
// This code path does not guarantee that the field's
// declaring class has been initialized, but it must be
// before performing reflective operations.
UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass());
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeStaticBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeStaticByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeStaticShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeStaticCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeStaticIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeStaticLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeStaticFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeStaticDoubleFieldAccessorImpl(field);
} else {
return new UnsafeStaticObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly);
}
}
} else {
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeDoubleFieldAccessorImpl(field);
} else {
return new UnsafeObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly);
}
}
}
}
private static void generateDefinition(Class<?> modelClass, JsonObjectBuilder definitions) throws Exception {
if (!ModelSupport.isPrimitiveType(modelClass)) {
JsonObjectBuilder definition = factory.createObjectBuilder();
JsonObjectBuilder properties = factory.createObjectBuilder();
JsonArrayBuilder required = factory.createArrayBuilder();
StructureDefinition structureDefinition = getStructureDefinition(modelClass);
if (structureDefinition == null) {
System.err.println("Failed generateDefinition for: " + modelClass.getName());
return;
}
if (Resource.class.isAssignableFrom(modelClass)) {
// add the 'resourceType' property
JsonObjectBuilder property = factory.createObjectBuilder();
// Convert all the primitive types to json types.
property.add("type", "string");
if (Resource.class == modelClass) {
// TODO: when a filter was passed, limit this to just the resource types included in the filter
List<String> typeNames = Arrays.stream(ResourceType.ValueSet.values()).map(ResourceType.ValueSet::value).collect(Collectors.toList());
JsonArrayBuilder enumValues = factory.createArrayBuilder(typeNames);
property.add("enum", enumValues);
properties.add("resourceType", property.build());
required.add("resourceType");
} else {
// TODO how to "overwrite" the Resource definition and say that the value is fixed?
// https://github.com/OAI/OpenAPI-Specification/issues/1313
// property.add("enum", modelClass.getSimpleName());
}
}
for (Field field : modelClass.getDeclaredFields()) {
if (!Modifier.isStatic(field.getModifiers()) && !Modifier.isVolatile(field.getModifiers())) {
if (!ModelSupport.isChoiceElement(modelClass, ModelSupport.getElementName(field)) && field.isAnnotationPresent(Required.class)) {
required.add(ModelSupport.getElementName(field));
}
generateProperties(structureDefinition, modelClass, field, properties);
}
}
JsonArray requiredArray = required.build();
Class<?> superClass = modelClass.getSuperclass();
if (superClass != null
&& superClass.getPackage().getName().startsWith("com.ibm.fhir.model")
&& !superClass.equals(AbstractVisitable.class)) {
JsonArrayBuilder allOf = factory.createArrayBuilder();
JsonObjectBuilder ref = factory.createObjectBuilder();
ref.add("$ref", "#/definitions/" + superClass.getSimpleName());
allOf.add(ref);
JsonObjectBuilder wrapper = factory.createObjectBuilder();
wrapper.add("type", "object");
wrapper.add("properties", properties);
if (!requiredArray.isEmpty()) {
wrapper.add("required", requiredArray);
}
allOf.add(wrapper);
definition.add("allOf", allOf);
} else {
definition.add("type", "object");
if (Resource.class.equals(modelClass)) {
definition.add("discriminator", "resourceType");
}
definition.add("properties", properties);
if (!requiredArray.isEmpty()) {
definition.add("required", requiredArray);
}
}
if (Resource.class.isAssignableFrom(modelClass)) {
FHIROpenApiGenerator.addExamples(modelClass, definition);
}
definitions.add(getSimpleNameWithEnclosingNames(modelClass), definition);
}
}
AtomicReferenceFieldUpdaterImpl(final Class<T> tclass,
final Class<V> vclass,
final String fieldName,
final Class<?> caller) {
final Field field;
final Class<?> fieldClass;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
fieldClass = field.getType();
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if (vclass != fieldClass)
throw new ClassCastException();
if (vclass.isPrimitive())
throw new IllegalArgumentException("Must be reference type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
// Access to protected field members is restricted to receivers only
// of the accessing class, or one of its subclasses, and the
// accessing class must in turn be a subclass (or package sibling)
// of the protected member's defining class.
// If the updater refers to a protected field of a declaring class
// outside the current package, the receiver argument will be
// narrowed to the type of the accessing class.
this.cclass = (Modifier.isProtected(modifiers) &&
tclass.isAssignableFrom(caller) &&
!isSamePackage(tclass, caller))
? caller : tclass;
this.tclass = tclass;
this.vclass = vclass;
this.offset = U.objectFieldOffset(field);
}
/** Utility method to query the modifier flags of this member. */
public boolean isVolatile() {
return Modifier.isVolatile(flags);
}
static FieldAccessor newFieldAccessor(Field field, boolean override) {
Class<?> type = field.getType();
boolean isStatic = Modifier.isStatic(field.getModifiers());
boolean isFinal = Modifier.isFinal(field.getModifiers());
boolean isVolatile = Modifier.isVolatile(field.getModifiers());
boolean isQualified = isFinal || isVolatile;
boolean isReadOnly = isFinal && (isStatic || !override);
if (isStatic) {
// This code path does not guarantee that the field's
// declaring class has been initialized, but it must be
// before performing reflective operations.
UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass());
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeStaticBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeStaticByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeStaticShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeStaticCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeStaticIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeStaticLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeStaticFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeStaticDoubleFieldAccessorImpl(field);
} else {
return new UnsafeStaticObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly);
}
}
} else {
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeDoubleFieldAccessorImpl(field);
} else {
return new UnsafeObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly);
}
}
}
}
/**
* Return true if this field is volatile
*/
public boolean isVolatile() {
return Modifier.isVolatile(getModifiers());
}
CASUpdater(final Class<T> tclass, final String fieldName,
final Class<?> caller) {
final Field field;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if (field.getType() != long.class)
throw new IllegalArgumentException("Must be long type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
// Access to protected field members is restricted to receivers only
// of the accessing class, or one of its subclasses, and the
// accessing class must in turn be a subclass (or package sibling)
// of the protected member's defining class.
// If the updater refers to a protected field of a declaring class
// outside the current package, the receiver argument will be
// narrowed to the type of the accessing class.
this.cclass = (Modifier.isProtected(modifiers) &&
tclass.isAssignableFrom(caller) &&
!isSamePackage(tclass, caller))
? caller : tclass;
this.tclass = tclass;
this.offset = U.objectFieldOffset(field);
}
static FieldAccessor newFieldAccessor(Field field, boolean override) {
Class<?> type = field.getType();
boolean isStatic = Modifier.isStatic(field.getModifiers());
boolean isFinal = Modifier.isFinal(field.getModifiers());
boolean isVolatile = Modifier.isVolatile(field.getModifiers());
boolean isQualified = isFinal || isVolatile;
boolean isReadOnly = isFinal && (isStatic || !override);
if (isStatic) {
// This code path does not guarantee that the field's
// declaring class has been initialized, but it must be
// before performing reflective operations.
UnsafeFieldAccessorImpl.unsafe.ensureClassInitialized(field.getDeclaringClass());
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeStaticBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeStaticByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeStaticShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeStaticCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeStaticIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeStaticLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeStaticFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeStaticDoubleFieldAccessorImpl(field);
} else {
return new UnsafeStaticObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedStaticBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedStaticByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedStaticShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedStaticCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedStaticIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedStaticLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedStaticFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedStaticDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedStaticObjectFieldAccessorImpl(field, isReadOnly);
}
}
} else {
if (!isQualified) {
if (type == Boolean.TYPE) {
return new UnsafeBooleanFieldAccessorImpl(field);
} else if (type == Byte.TYPE) {
return new UnsafeByteFieldAccessorImpl(field);
} else if (type == Short.TYPE) {
return new UnsafeShortFieldAccessorImpl(field);
} else if (type == Character.TYPE) {
return new UnsafeCharacterFieldAccessorImpl(field);
} else if (type == Integer.TYPE) {
return new UnsafeIntegerFieldAccessorImpl(field);
} else if (type == Long.TYPE) {
return new UnsafeLongFieldAccessorImpl(field);
} else if (type == Float.TYPE) {
return new UnsafeFloatFieldAccessorImpl(field);
} else if (type == Double.TYPE) {
return new UnsafeDoubleFieldAccessorImpl(field);
} else {
return new UnsafeObjectFieldAccessorImpl(field);
}
} else {
if (type == Boolean.TYPE) {
return new UnsafeQualifiedBooleanFieldAccessorImpl(field, isReadOnly);
} else if (type == Byte.TYPE) {
return new UnsafeQualifiedByteFieldAccessorImpl(field, isReadOnly);
} else if (type == Short.TYPE) {
return new UnsafeQualifiedShortFieldAccessorImpl(field, isReadOnly);
} else if (type == Character.TYPE) {
return new UnsafeQualifiedCharacterFieldAccessorImpl(field, isReadOnly);
} else if (type == Integer.TYPE) {
return new UnsafeQualifiedIntegerFieldAccessorImpl(field, isReadOnly);
} else if (type == Long.TYPE) {
return new UnsafeQualifiedLongFieldAccessorImpl(field, isReadOnly);
} else if (type == Float.TYPE) {
return new UnsafeQualifiedFloatFieldAccessorImpl(field, isReadOnly);
} else if (type == Double.TYPE) {
return new UnsafeQualifiedDoubleFieldAccessorImpl(field, isReadOnly);
} else {
return new UnsafeQualifiedObjectFieldAccessorImpl(field, isReadOnly);
}
}
}
}
AtomicReferenceFieldUpdaterImpl(final Class<T> tclass,
final Class<V> vclass,
final String fieldName,
final Class<?> caller) {
final Field field;
final Class<?> fieldClass;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
fieldClass = field.getType();
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if (vclass != fieldClass)
throw new ClassCastException();
if (vclass.isPrimitive())
throw new IllegalArgumentException("Must be reference type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
this.cclass = (Modifier.isProtected(modifiers) &&
caller != tclass) ? caller : null;
this.tclass = tclass;
if (vclass == Object.class)
this.vclass = null;
else
this.vclass = vclass;
offset = unsafe.objectFieldOffset(field);
}
/**
* @see Modifier#isVolatile(int)
*/
default boolean isVolatile() {
return Modifier.isVolatile(getModifiers());
}
AtomicReferenceFieldUpdaterImpl(final Class<T> tclass,
final Class<V> vclass,
final String fieldName,
final Class<?> caller) {
final Field field;
final Class<?> fieldClass;
final int modifiers;
try {
field = AccessController.doPrivileged(
new PrivilegedExceptionAction<Field>() {
public Field run() throws NoSuchFieldException {
return tclass.getDeclaredField(fieldName);
}
});
modifiers = field.getModifiers();
sun.reflect.misc.ReflectUtil.ensureMemberAccess(
caller, tclass, null, modifiers);
ClassLoader cl = tclass.getClassLoader();
ClassLoader ccl = caller.getClassLoader();
if ((ccl != null) && (ccl != cl) &&
((cl == null) || !isAncestor(cl, ccl))) {
sun.reflect.misc.ReflectUtil.checkPackageAccess(tclass);
}
fieldClass = field.getType();
} catch (PrivilegedActionException pae) {
throw new RuntimeException(pae.getException());
} catch (Exception ex) {
throw new RuntimeException(ex);
}
if (vclass != fieldClass)
throw new ClassCastException();
if (vclass.isPrimitive())
throw new IllegalArgumentException("Must be reference type");
if (!Modifier.isVolatile(modifiers))
throw new IllegalArgumentException("Must be volatile type");
// Access to protected field members is restricted to receivers only
// of the accessing class, or one of its subclasses, and the
// accessing class must in turn be a subclass (or package sibling)
// of the protected member's defining class.
// If the updater refers to a protected field of a declaring class
// outside the current package, the receiver argument will be
// narrowed to the type of the accessing class.
this.cclass = (Modifier.isProtected(modifiers) &&
tclass.isAssignableFrom(caller) &&
!isSamePackage(tclass, caller))
? caller : tclass;
this.tclass = tclass;
this.vclass = vclass;
this.offset = U.objectFieldOffset(field);
}