本文整理汇总了Java中org.springframework.expression.spel.support.ReflectivePropertyAccessor.OptimalPropertyAccessor方法的典型用法代码示例。如果您正苦于以下问题:Java ReflectivePropertyAccessor.OptimalPropertyAccessor方法的具体用法?Java ReflectivePropertyAccessor.OptimalPropertyAccessor怎么用?Java ReflectivePropertyAccessor.OptimalPropertyAccessor使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.springframework.expression.spel.support.ReflectivePropertyAccessor
的用法示例。
在下文中一共展示了ReflectivePropertyAccessor.OptimalPropertyAccessor方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: isCompilable
import org.springframework.expression.spel.support.ReflectivePropertyAccessor; //导入方法依赖的package包/类
@Override
public boolean isCompilable() {
if (this.indexedType == IndexedType.ARRAY) {
return (this.exitTypeDescriptor != null);
}
else if (this.indexedType == IndexedType.LIST) {
return this.children[0].isCompilable();
}
else if (this.indexedType == IndexedType.MAP) {
return (this.children[0] instanceof PropertyOrFieldReference || this.children[0].isCompilable());
}
else if (this.indexedType == IndexedType.OBJECT) {
// If the string name is changing the accessor is clearly going to change (so compilation is not possible)
if (this.cachedReadAccessor != null &&
(this.cachedReadAccessor instanceof ReflectivePropertyAccessor.OptimalPropertyAccessor) &&
(getChild(0) instanceof StringLiteral)) {
return true;
}
}
return false;
}
示例2: getValue
import org.springframework.expression.spel.support.ReflectivePropertyAccessor; //导入方法依赖的package包/类
@Override
public TypedValue getValue() {
Class<?> targetObjectRuntimeClass = getObjectClass(this.targetObject);
try {
if (Indexer.this.cachedReadName != null && Indexer.this.cachedReadName.equals(this.name) &&
Indexer.this.cachedReadTargetType != null &&
Indexer.this.cachedReadTargetType.equals(targetObjectRuntimeClass)) {
// It is OK to use the cached accessor
return Indexer.this.cachedReadAccessor.read(this.evaluationContext, this.targetObject, this.name);
}
List<PropertyAccessor> accessorsToTry = AstUtils.getPropertyAccessorsToTry(
targetObjectRuntimeClass, this.evaluationContext.getPropertyAccessors());
if (accessorsToTry != null) {
for (PropertyAccessor accessor : accessorsToTry) {
if (accessor.canRead(this.evaluationContext, this.targetObject, this.name)) {
if (accessor instanceof ReflectivePropertyAccessor) {
accessor = ((ReflectivePropertyAccessor) accessor).createOptimalAccessor(
this.evaluationContext, this.targetObject, this.name);
}
Indexer.this.cachedReadAccessor = accessor;
Indexer.this.cachedReadName = this.name;
Indexer.this.cachedReadTargetType = targetObjectRuntimeClass;
if (accessor instanceof ReflectivePropertyAccessor.OptimalPropertyAccessor) {
ReflectivePropertyAccessor.OptimalPropertyAccessor optimalAccessor =
(ReflectivePropertyAccessor.OptimalPropertyAccessor) accessor;
Member member = optimalAccessor.member;
Indexer.this.exitTypeDescriptor = CodeFlow.toDescriptor(member instanceof Method ?
((Method) member).getReturnType() : ((Field) member).getType());
}
return accessor.read(this.evaluationContext, this.targetObject, this.name);
}
}
}
}
catch (AccessException ex) {
throw new SpelEvaluationException(getStartPosition(), ex, SpelMessage.INDEXING_NOT_SUPPORTED_FOR_TYPE,
this.targetObjectTypeDescriptor.toString());
}
throw new SpelEvaluationException(getStartPosition(), SpelMessage.INDEXING_NOT_SUPPORTED_FOR_TYPE,
this.targetObjectTypeDescriptor.toString());
}