/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.beans.factory.support;
import java.lang.reflect.Constructor;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import org.springframework.beans.BeanMetadataAttributeAccessor;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.config.ConstructorArgumentValues;
import org.springframework.core.io.DescriptiveResource;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
import org.springframework.util.ObjectUtils;
/**
* Base class for concrete, full-fledged
* {@link org.springframework.beans.factory.config.BeanDefinition} classes,
* factoring out common properties of {@link RootBeanDefinition} and
* {@link ChildBeanDefinition}.
*
* <p>The autowire constants match the ones defined in the
* {@link org.springframework.beans.factory.config.AutowireCapableBeanFactory}
* interface.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @author Rob Harrop
* @author Mark Fisher
* @see RootBeanDefinition
* @see ChildBeanDefinition
*/
public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccessor
implements BeanDefinition, Cloneable {
/**
* Constant that indicates no autowiring at all.
* @see #setAutowireMode
*/
public static final int AUTOWIRE_NO = AutowireCapableBeanFactory.AUTOWIRE_NO;
/**
* Constant that indicates autowiring bean properties by name.
* @see #setAutowireMode
*/
public static final int AUTOWIRE_BY_NAME = AutowireCapableBeanFactory.AUTOWIRE_BY_NAME;
/**
* Constant that indicates autowiring bean properties by type.
* @see #setAutowireMode
*/
public static final int AUTOWIRE_BY_TYPE = AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE;
/**
* Constant that indicates autowiring a constructor.
* @see #setAutowireMode
*/
public static final int AUTOWIRE_CONSTRUCTOR = AutowireCapableBeanFactory.AUTOWIRE_CONSTRUCTOR;
/**
* Constant that indicates determining an appropriate autowire strategy
* through introspection of the bean class.
* @see #setAutowireMode
*/
public static final int AUTOWIRE_AUTODETECT = AutowireCapableBeanFactory.AUTOWIRE_AUTODETECT;
/**
* Constant that indicates no dependency check at all.
* @see #setDependencyCheck
*/
public static final int DEPENDENCY_CHECK_NONE = 0;
/**
* Constant that indicates dependency checking for object references.
* @see #setDependencyCheck
*/
public static final int DEPENDENCY_CHECK_OBJECTS = 1;
/**
* Constant that indicates dependency checking for "simple" properties.
* @see #setDependencyCheck
* @see org.springframework.beans.BeanUtils#isSimpleProperty
*/
public static final int DEPENDENCY_CHECK_SIMPLE = 2;
/**
* Constant that indicates dependency checking for all properties
* (object references as well as "simple" properties).
* @see #setDependencyCheck
*/
public static final int DEPENDENCY_CHECK_ALL = 3;
private volatile Object beanClass;
private String scope = SCOPE_SINGLETON;
private boolean singleton = true;
private boolean prototype = false;
private boolean abstractFlag = false;
private boolean lazyInit = false;
private int autowireMode = AUTOWIRE_NO;
private int dependencyCheck = DEPENDENCY_CHECK_NONE;
private String[] dependsOn;
private boolean autowireCandidate = true;
private final Map qualifiers = new LinkedHashMap();
private boolean primary = false;
private ConstructorArgumentValues constructorArgumentValues;
private MutablePropertyValues propertyValues;
private MethodOverrides methodOverrides = new MethodOverrides();
private String factoryBeanName;
private String factoryMethodName;
private String initMethodName;
private String destroyMethodName;
private boolean enforceInitMethod = true;
private boolean enforceDestroyMethod = true;
private boolean synthetic = false;
private int role = BeanDefinition.ROLE_APPLICATION;
private String description;
private Resource resource;
/**
* Create a new AbstractBeanDefinition with default settings.
*/
protected AbstractBeanDefinition() {
this(null, null);
}
/**
* Create a new AbstractBeanDefinition with the given
* constructor argument values and property values.
*/
protected AbstractBeanDefinition(ConstructorArgumentValues cargs, MutablePropertyValues pvs) {
setConstructorArgumentValues(cargs);
setPropertyValues(pvs);
}
/**
* Create a new AbstractBeanDefinition as deep copy of the given
* bean definition.
* @param original the original bean definition to copy from
* @deprecated since Spring 2.5, in favor of {@link #AbstractBeanDefinition(BeanDefinition)}
*/
protected AbstractBeanDefinition(AbstractBeanDefinition original) {
this((BeanDefinition) original);
}
/**
* Create a new AbstractBeanDefinition as deep copy of the given
* bean definition.
* @param original the original bean definition to copy from
*/
protected AbstractBeanDefinition(BeanDefinition original) {
setParentName(original.getParentName());
setBeanClassName(original.getBeanClassName());
setFactoryBeanName(original.getFactoryBeanName());
setFactoryMethodName(original.getFactoryMethodName());
setScope(original.getScope());
setAbstract(original.isAbstract());
setLazyInit(original.isLazyInit());
setRole(original.getRole());
setConstructorArgumentValues(new ConstructorArgumentValues(original.getConstructorArgumentValues()));
setPropertyValues(new MutablePropertyValues(original.getPropertyValues()));
setSource(original.getSource());
copyAttributesFrom(original);
if (original instanceof AbstractBeanDefinition) {
AbstractBeanDefinition originalAbd = (AbstractBeanDefinition) original;
if (originalAbd.hasBeanClass()) {
setBeanClass(originalAbd.getBeanClass());
}
setAutowireMode(originalAbd.getAutowireMode());
setDependencyCheck(originalAbd.getDependencyCheck());
setDependsOn(originalAbd.getDependsOn());
setAutowireCandidate(originalAbd.isAutowireCandidate());
copyQualifiersFrom(originalAbd);
setPrimary(originalAbd.isPrimary());
setInitMethodName(originalAbd.getInitMethodName());
setEnforceInitMethod(originalAbd.isEnforceInitMethod());
setDestroyMethodName(originalAbd.getDestroyMethodName());
setEnforceDestroyMethod(originalAbd.isEnforceDestroyMethod());
setMethodOverrides(new MethodOverrides(originalAbd.getMethodOverrides()));
setSynthetic(originalAbd.isSynthetic());
setResource(originalAbd.getResource());
}
else {
setResourceDescription(original.getResourceDescription());
}
}
/**
* Override settings in this bean definition (assumably a copied parent
* from a parent-child inheritance relationship) from the given bean
* definition (assumably the child).
* @deprecated since Spring 2.5, in favor of {@link #overrideFrom(BeanDefinition)}
*/
public void overrideFrom(AbstractBeanDefinition other) {
overrideFrom((BeanDefinition) other);
}
/**
* Override settings in this bean definition (assumably a copied parent
* from a parent-child inheritance relationship) from the given bean
* definition (assumably the child).
* <ul>
* <li>Will override beanClass if specified in the given bean definition.
* <li>Will always take <code>abstract</code>, <code>scope</code>,
* <code>lazyInit</code>, <code>autowireMode</code>, <code>dependencyCheck</code>,
* and <code>dependsOn</code> from the given bean definition.
* <li>Will add <code>constructorArgumentValues</code>, <code>propertyValues</code>,
* <code>methodOverrides</code> from the given bean definition to existing ones.
* <li>Will override <code>factoryBeanName</code>, <code>factoryMethodName</code>,
* <code>initMethodName</code>, and <code>destroyMethodName</code> if specified
* in the given bean definition.
* </ul>
*/
public void overrideFrom(BeanDefinition other) {
if (other.getBeanClassName() != null) {
setBeanClassName(other.getBeanClassName());
}
if (other.getFactoryBeanName() != null) {
setFactoryBeanName(other.getFactoryBeanName());
}
if (other.getFactoryMethodName() != null) {
setFactoryMethodName(other.getFactoryMethodName());
}
setScope(other.getScope());
setAbstract(other.isAbstract());
setLazyInit(other.isLazyInit());
setRole(other.getRole());
getConstructorArgumentValues().addArgumentValues(other.getConstructorArgumentValues());
getPropertyValues().addPropertyValues(other.getPropertyValues());
setSource(other.getSource());
copyAttributesFrom(other);
if (other instanceof AbstractBeanDefinition) {
AbstractBeanDefinition otherAbd = (AbstractBeanDefinition) other;
if (otherAbd.hasBeanClass()) {
setBeanClass(otherAbd.getBeanClass());
}
setAutowireCandidate(otherAbd.isAutowireCandidate());
setAutowireMode(otherAbd.getAutowireMode());
copyQualifiersFrom(otherAbd);
setPrimary(otherAbd.isPrimary());
setDependencyCheck(otherAbd.getDependencyCheck());
setDependsOn(otherAbd.getDependsOn());
if (otherAbd.getInitMethodName() != null) {
setInitMethodName(otherAbd.getInitMethodName());
setEnforceInitMethod(otherAbd.isEnforceInitMethod());
}
if (otherAbd.getDestroyMethodName() != null) {
setDestroyMethodName(otherAbd.getDestroyMethodName());
setEnforceDestroyMethod(otherAbd.isEnforceDestroyMethod());
}
getMethodOverrides().addOverrides(otherAbd.getMethodOverrides());
setSynthetic(otherAbd.isSynthetic());
setResource(otherAbd.getResource());
}
else {
setResourceDescription(other.getResourceDescription());
}
}
/**
* Apply the provided default values to this bean.
* @param defaults the defaults to apply
*/
public void applyDefaults(BeanDefinitionDefaults defaults) {
setLazyInit(defaults.isLazyInit());
setDependencyCheck(defaults.getDependencyCheck());
setAutowireMode(defaults.getAutowireMode());
setInitMethodName(defaults.getInitMethodName());
setEnforceInitMethod(false);
setDestroyMethodName(defaults.getDestroyMethodName());
setEnforceDestroyMethod(false);
}
/**
* Return whether this definition specifies a bean class.
*/
public boolean hasBeanClass() {
return (this.beanClass instanceof Class);
}
/**
* Specify the class for this bean.
*/
public void setBeanClass(Class beanClass) {
this.beanClass = beanClass;
}
/**
* Return the class of the wrapped bean, if already resolved.
* @return the bean class, or <code>null</code> if none defined
* @throws IllegalStateException if the bean definition does not define a bean class,
* or a specified bean class name has not been resolved into an actual Class
*/
public Class getBeanClass() throws IllegalStateException {
Object beanClassObject = this.beanClass;
if (beanClassObject == null) {
throw new IllegalStateException("No bean class specified on bean definition");
}
if (!(beanClassObject instanceof Class)) {
throw new IllegalStateException(
"Bean class name [" + beanClassObject + "] has not been resolved into an actual Class");
}
return (Class) beanClassObject;
}
public void setBeanClassName(String beanClassName) {
this.beanClass = beanClassName;
}
public String getBeanClassName() {
Object beanClassObject = this.beanClass;
if (beanClassObject instanceof Class) {
return ((Class) beanClassObject).getName();
}
else {
return (String) beanClassObject;
}
}
/**
* Determine the class of the wrapped bean, resolving it from a
* specified class name if necessary. Will also reload a specified
* Class from its name when called with the bean class already resolved.
* @param classLoader the ClassLoader to use for resolving a (potential) class name
* @return the resolved bean class
* @throws ClassNotFoundException if the class name could be resolved
*/
public Class resolveBeanClass(ClassLoader classLoader) throws ClassNotFoundException {
String className = getBeanClassName();
if (className == null) {
return null;
}
Class resolvedClass = ClassUtils.forName(className, classLoader);
this.beanClass = resolvedClass;
return resolvedClass;
}
/**
* Set the name of the target scope for the bean.
* <p>Default is "singleton"; the out-of-the-box alternative is "prototype".
* Extended bean factories might support further scopes.
* @see #SCOPE_SINGLETON
* @see #SCOPE_PROTOTYPE
*/
public void setScope(String scope) {
Assert.notNull(scope, "Scope must not be null");
this.scope = scope;
this.singleton = SCOPE_SINGLETON.equals(scope);
this.prototype = SCOPE_PROTOTYPE.equals(scope);
}
/**
* Return the name of the target scope for the bean.
*/
public String getScope() {
return this.scope;
}
/**
* Set if this a <b>Singleton</b>, with a single, shared instance returned
* on all calls. In case of "false", the BeanFactory will apply the <b>Prototype</b>
* design pattern, with each caller requesting an instance getting an independent
* instance. How this is exactly defined will depend on the BeanFactory.
* <p>"Singletons" are the commoner type, so the default is "true".
* Note that as of Spring 2.0, this flag is just an alternative way to
* specify scope="singleton" or scope="prototype".
* @deprecated since Spring 2.5, in favor of {@link #setScope}
* @see #setScope
* @see #SCOPE_SINGLETON
* @see #SCOPE_PROTOTYPE
*/
public void setSingleton(boolean singleton) {
this.scope = (singleton ? SCOPE_SINGLETON : SCOPE_PROTOTYPE);
this.singleton = singleton;
this.prototype = !singleton;
}
/**
* Return whether this a <b>Singleton</b>, with a single shared instance
* returned from all calls.
* @see #SCOPE_SINGLETON
*/
public boolean isSingleton() {
return this.singleton;
}
/**
* Return whether this a <b>Prototype</b>, with an independent instance
* returned for each call.
* @see #SCOPE_PROTOTYPE
*/
public boolean isPrototype() {
return this.prototype;
}
/**
* Set if this bean is "abstract", i.e. not meant to be instantiated itself but
* rather just serving as parent for concrete child bean definitions.
* <p>Default is "false". Specify true to tell the bean factory to not try to
* instantiate that particular bean in any case.
*/
public void setAbstract(boolean abstractFlag) {
this.abstractFlag = abstractFlag;
}
/**
* Return whether this bean is "abstract", i.e. not meant to be instantiated
* itself but rather just serving as parent for concrete child bean definitions.
*/
public boolean isAbstract() {
return this.abstractFlag;
}
/**
* Set whether this bean should be lazily initialized.
* <p>If <code>false</code>, the bean will get instantiated on startup by bean
* factories that perform eager initialization of singletons.
*/
public void setLazyInit(boolean lazyInit) {
this.lazyInit = lazyInit;
}
/**
* Return whether this bean should be lazily initialized, i.e. not
* eagerly instantiated on startup. Only applicable to a singleton bean.
*/
public boolean isLazyInit() {
return this.lazyInit;
}
/**
* Set the autowire mode. This determines whether any automagical detection
* and setting of bean references will happen. Default is AUTOWIRE_NO,
* which means there's no autowire.
* @param autowireMode the autowire mode to set.
* Must be one of the constants defined in this class.
* @see #AUTOWIRE_NO
* @see #AUTOWIRE_BY_NAME
* @see #AUTOWIRE_BY_TYPE
* @see #AUTOWIRE_CONSTRUCTOR
* @see #AUTOWIRE_AUTODETECT
*/
public void setAutowireMode(int autowireMode) {
this.autowireMode = autowireMode;
}
/**
* Return the autowire mode as specified in the bean definition.
*/
public int getAutowireMode() {
return this.autowireMode;
}
/**
* Return the resolved autowire code,
* (resolving AUTOWIRE_AUTODETECT to AUTOWIRE_CONSTRUCTOR or AUTOWIRE_BY_TYPE).
* @see #AUTOWIRE_AUTODETECT
* @see #AUTOWIRE_CONSTRUCTOR
* @see #AUTOWIRE_BY_TYPE
*/
public int getResolvedAutowireMode() {
if (this.autowireMode == AUTOWIRE_AUTODETECT) {
// Work out whether to apply setter autowiring or constructor autowiring.
// If it has a no-arg constructor it's deemed to be setter autowiring,
// otherwise we'll try constructor autowiring.
Constructor[] constructors = getBeanClass().getConstructors();
for (int i = 0; i < constructors.length; i++) {
if (constructors[i].getParameterTypes().length == 0) {
return AUTOWIRE_BY_TYPE;
}
}
return AUTOWIRE_CONSTRUCTOR;
}
else {
return this.autowireMode;
}
}
/**
* Set the dependency check code.
* @param dependencyCheck the code to set.
* Must be one of the four constants defined in this class.
* @see #DEPENDENCY_CHECK_NONE
* @see #DEPENDENCY_CHECK_OBJECTS
* @see #DEPENDENCY_CHECK_SIMPLE
* @see #DEPENDENCY_CHECK_ALL
*/
public void setDependencyCheck(int dependencyCheck) {
this.dependencyCheck = dependencyCheck;
}
/**
* Return the dependency check code.
*/
public int getDependencyCheck() {
return this.dependencyCheck;
}
/**
* Set the names of the beans that this bean depends on being initialized.
* The bean factory will guarantee that these beans get initialized before.
* <p>Note that dependencies are normally expressed through bean properties or
* constructor arguments. This property should just be necessary for other kinds
* of dependencies like statics (*ugh*) or database preparation on startup.
*/
public void setDependsOn(String[] dependsOn) {
this.dependsOn = dependsOn;
}
/**
* Return the bean names that this bean depends on.
*/
public String[] getDependsOn() {
return this.dependsOn;
}
/**
* Set whether this bean is a candidate for getting autowired into some other bean.
*/
public void setAutowireCandidate(boolean autowireCandidate) {
this.autowireCandidate = autowireCandidate;
}
/**
* Return whether this bean is a candidate for getting autowired into some other bean.
*/
public boolean isAutowireCandidate() {
return this.autowireCandidate;
}
/**
* Register a qualifier to be used for autowire candidate resolution,
* keyed by the qualifier's type name.
* @see AutowireCandidateQualifier#getTypeName()
*/
public void addQualifier(AutowireCandidateQualifier qualifier) {
this.qualifiers.put(qualifier.getTypeName(), qualifier);
}
/**
* Return whether this bean has the specified qualifier.
*/
public boolean hasQualifier(String typeName) {
return this.qualifiers.keySet().contains(typeName);
}
/**
* Return the qualifier mapped to the provided type name.
*/
public AutowireCandidateQualifier getQualifier(String typeName) {
return (AutowireCandidateQualifier) this.qualifiers.get(typeName);
}
/**
* Return all registered qualifiers.
* @return the Set of {@link AutowireCandidateQualifier} objects.
*/
public Set getQualifiers() {
return new LinkedHashSet(this.qualifiers.values());
}
/**
* Copy the qualifiers from the supplied AbstractBeanDefinition to this bean definition.
* @param source the AbstractBeanDefinition to copy from
*/
protected void copyQualifiersFrom(AbstractBeanDefinition source) {
Assert.notNull(source, "Source must not be null");
this.qualifiers.putAll(source.qualifiers);
}
/**
* Set whether this bean is a primary autowire candidate.
* If this value is true for exactly one bean among multiple
* matching candidates, it will serve as a tie-breaker.
*/
public void setPrimary(boolean primary) {
this.primary = primary;
}
/**
* Return whether this bean is a primary autowire candidate.
* If this value is true for exactly one bean among multiple
* matching candidates, it will serve as a tie-breaker.
*/
public boolean isPrimary() {
return this.primary;
}
/**
* Specify constructor argument values for this bean.
*/
public void setConstructorArgumentValues(ConstructorArgumentValues constructorArgumentValues) {
this.constructorArgumentValues =
(constructorArgumentValues != null ? constructorArgumentValues : new ConstructorArgumentValues());
}
/**
* Return constructor argument values for this bean (never <code>null</code>).
*/
public ConstructorArgumentValues getConstructorArgumentValues() {
return this.constructorArgumentValues;
}
/**
* Return if there are constructor argument values defined for this bean.
*/
public boolean hasConstructorArgumentValues() {
return !this.constructorArgumentValues.isEmpty();
}
/**
* Specify property values for this bean, if any.
*/
public void setPropertyValues(MutablePropertyValues propertyValues) {
this.propertyValues = (propertyValues != null ? propertyValues : new MutablePropertyValues());
}
/**
* Return property values for this bean (never <code>null</code>).
*/
public MutablePropertyValues getPropertyValues() {
return this.propertyValues;
}
/**
* Specify method overrides for the bean, if any.
*/
public void setMethodOverrides(MethodOverrides methodOverrides) {
this.methodOverrides = (methodOverrides != null ? methodOverrides : new MethodOverrides());
}
/**
* Return information about methods to be overridden by the IoC
* container. This will be empty if there are no method overrides.
* Never returns null.
*/
public MethodOverrides getMethodOverrides() {
return this.methodOverrides;
}
public void setFactoryBeanName(String factoryBeanName) {
this.factoryBeanName = factoryBeanName;
}
public String getFactoryBeanName() {
return this.factoryBeanName;
}
public void setFactoryMethodName(String factoryMethodName) {
this.factoryMethodName = factoryMethodName;
}
public String getFactoryMethodName() {
return this.factoryMethodName;
}
/**
* Set the name of the initializer method. The default is <code>null</code>
* in which case there is no initializer method.
*/
public void setInitMethodName(String initMethodName) {
this.initMethodName = initMethodName;
}
/**
* Return the name of the initializer method.
*/
public String getInitMethodName() {
return this.initMethodName;
}
/**
* Specify whether or not the configured init method is the default.
* Default value is <code>false</code>.
* @see #setInitMethodName
*/
public void setEnforceInitMethod(boolean enforceInitMethod) {
this.enforceInitMethod = enforceInitMethod;
}
/**
* Indicate whether the configured init method is the default.
* @see #getInitMethodName()
*/
public boolean isEnforceInitMethod() {
return this.enforceInitMethod;
}
/**
* Set the name of the destroy method. The default is <code>null</code>
* in which case there is no destroy method.
*/
public void setDestroyMethodName(String destroyMethodName) {
this.destroyMethodName = destroyMethodName;
}
/**
* Return the name of the destroy method.
*/
public String getDestroyMethodName() {
return this.destroyMethodName;
}
/**
* Specify whether or not the configured destroy method is the default.
* Default value is <code>false</code>.
* @see #setDestroyMethodName
*/
public void setEnforceDestroyMethod(boolean enforceDestroyMethod) {
this.enforceDestroyMethod = enforceDestroyMethod;
}
/**
* Indicate whether the configured destroy method is the default.
* @see #getDestroyMethodName
*/
public boolean isEnforceDestroyMethod() {
return this.enforceDestroyMethod;
}
/**
* Set whether this bean definition is 'synthetic', that is, not defined
* by the application itself (for example, an infrastructure bean such
* as a helper for auto-proxying, created through <code><aop:config></code>).
*/
public void setSynthetic(boolean synthetic) {
this.synthetic = synthetic;
}
/**
* Return whether this bean definition is 'synthetic', that is,
* not defined by the application itself.
*/
public boolean isSynthetic() {
return this.synthetic;
}
/**
* Set the role hint for this <code>BeanDefinition</code>.
*/
public void setRole(int role) {
this.role = role;
}
/**
* Return the role hint for this <code>BeanDefinition</code>.
*/
public int getRole() {
return this.role;
}
/**
* Set a human-readable description of this bean definition.
*/
public void setDescription(String description) {
this.description = description;
}
public String getDescription() {
return this.description;
}
/**
* Set the resource that this bean definition came from
* (for the purpose of showing context in case of errors).
*/
public void setResource(Resource resource) {
this.resource = resource;
}
/**
* Return the resource that this bean definition came from.
*/
public Resource getResource() {
return this.resource;
}
/**
* Set a description of the resource that this bean definition
* came from (for the purpose of showing context in case of errors).
*/
public void setResourceDescription(String resourceDescription) {
this.resource = new DescriptiveResource(resourceDescription);
}
public String getResourceDescription() {
return (this.resource != null ? this.resource.getDescription() : null);
}
/**
* Set the originating (e.g. decorated) BeanDefinition, if any.
*/
public void setOriginatingBeanDefinition(BeanDefinition originatingBd) {
this.resource = new BeanDefinitionResource(originatingBd);
}
public BeanDefinition getOriginatingBeanDefinition() {
return (this.resource instanceof BeanDefinitionResource ?
((BeanDefinitionResource) this.resource).getBeanDefinition() : null);
}
/**
* Validate this bean definition.
* @throws BeanDefinitionValidationException in case of validation failure
*/
public void validate() throws BeanDefinitionValidationException {
if (!getMethodOverrides().isEmpty() && getFactoryMethodName() != null) {
throw new BeanDefinitionValidationException(
"Cannot combine static factory method with method overrides: " +
"the static factory method must create the instance");
}
if (hasBeanClass()) {
prepareMethodOverrides();
}
}
/**
* Validate and prepare the method overrides defined for this bean.
* Checks for existence of a method with the specified name.
* @throws BeanDefinitionValidationException in case of validation failure
*/
public void prepareMethodOverrides() throws BeanDefinitionValidationException {
// Check that lookup methods exists.
MethodOverrides methodOverrides = getMethodOverrides();
if (!methodOverrides.isEmpty()) {
for (Iterator it = methodOverrides.getOverrides().iterator(); it.hasNext(); ) {
MethodOverride mo = (MethodOverride) it.next();
prepareMethodOverride(mo);
}
}
}
/**
* Validate and prepare the given method override.
* Checks for existence of a method with the specified name,
* marking it as not overloaded if none found.
* @param mo the MethodOverride object to validate
* @throws BeanDefinitionValidationException in case of validation failure
*/
protected void prepareMethodOverride(MethodOverride mo) throws BeanDefinitionValidationException {
int count = ClassUtils.getMethodCountForName(getBeanClass(), mo.getMethodName());
if (count == 0) {
throw new BeanDefinitionValidationException(
"Invalid method override: no method with name '" + mo.getMethodName() +
"' on class [" + getBeanClassName() + "]");
}
else if (count == 1) {
// Mark override as not overloaded, to avoid the overhead of arg type checking.
mo.setOverloaded(false);
}
}
/**
* Public declaration of Object's <code>clone()</code> method.
* Delegates to {@link #cloneBeanDefinition()}.
* @see java.lang.Object#clone()
*/
public Object clone() {
return cloneBeanDefinition();
}
/**
* Clone this bean definition.
* To be implemented by concrete subclasses.
* @return the cloned bean definition object
*/
public abstract AbstractBeanDefinition cloneBeanDefinition();
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (!(other instanceof AbstractBeanDefinition)) {
return false;
}
AbstractBeanDefinition that = (AbstractBeanDefinition) other;
if (!ObjectUtils.nullSafeEquals(getBeanClassName(), that.getBeanClassName())) return false;
if (!ObjectUtils.nullSafeEquals(this.scope, that.scope)) return false;
if (this.abstractFlag != that.abstractFlag) return false;
if (this.lazyInit != that.lazyInit) return false;
if (this.autowireMode != that.autowireMode) return false;
if (this.dependencyCheck != that.dependencyCheck) return false;
if (!Arrays.equals(this.dependsOn, that.dependsOn)) return false;
if (this.autowireCandidate != that.autowireCandidate) return false;
if (!ObjectUtils.nullSafeEquals(this.qualifiers, that.qualifiers)) return false;
if (this.primary != that.primary) return false;
if (!ObjectUtils.nullSafeEquals(this.constructorArgumentValues, that.constructorArgumentValues)) return false;
if (!ObjectUtils.nullSafeEquals(this.propertyValues, that.propertyValues)) return false;
if (!ObjectUtils.nullSafeEquals(this.methodOverrides, that.methodOverrides)) return false;
if (!ObjectUtils.nullSafeEquals(this.factoryBeanName, that.factoryBeanName)) return false;
if (!ObjectUtils.nullSafeEquals(this.factoryMethodName, that.factoryMethodName)) return false;
if (!ObjectUtils.nullSafeEquals(this.initMethodName, that.initMethodName)) return false;
if (this.enforceInitMethod != that.enforceInitMethod) return false;
if (!ObjectUtils.nullSafeEquals(this.destroyMethodName, that.destroyMethodName)) return false;
if (this.enforceDestroyMethod != that.enforceDestroyMethod) return false;
if (this.synthetic != that.synthetic) return false;
if (this.role != that.role) return false;
return super.equals(other);
}
public int hashCode() {
int hashCode = ObjectUtils.nullSafeHashCode(getBeanClassName());
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(this.scope);
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(this.constructorArgumentValues);
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(this.propertyValues);
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(this.factoryBeanName);
hashCode = 29 * hashCode + ObjectUtils.nullSafeHashCode(this.factoryMethodName);
hashCode = 29 * hashCode + super.hashCode();
return hashCode;
}
public String toString() {
StringBuffer sb = new StringBuffer("class [");
sb.append(getBeanClassName()).append("]");
sb.append("; scope=").append(this.scope);
sb.append("; abstract=").append(this.abstractFlag);
sb.append("; lazyInit=").append(this.lazyInit);
sb.append("; autowireMode=").append(this.autowireMode);
sb.append("; dependencyCheck=").append(this.dependencyCheck);
sb.append("; autowireCandidate=").append(this.autowireCandidate);
sb.append("; primary=").append(this.primary);
sb.append("; factoryBeanName=").append(this.factoryBeanName);
sb.append("; factoryMethodName=").append(this.factoryMethodName);
sb.append("; initMethodName=").append(this.initMethodName);
sb.append("; destroyMethodName=").append(this.destroyMethodName);
if (this.resource != null) {
sb.append("; defined in ").append(this.resource.getDescription());
}
return sb.toString();
}
}