本文整理汇总了Java中com.espertech.esper.epl.enummethod.dot.ExprDotStaticMethodWrapFactory类的典型用法代码示例。如果您正苦于以下问题：Java ExprDotStaticMethodWrapFactory类的具体用法？Java ExprDotStaticMethodWrapFactory怎么用？Java ExprDotStaticMethodWrapFactory使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ExprDotStaticMethodWrapFactory类属于com.espertech.esper.epl.enummethod.dot包，在下文中一共展示了ExprDotStaticMethodWrapFactory类的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: validate
import com.espertech.esper.epl.enummethod.dot.ExprDotStaticMethodWrapFactory; //导入依赖的package包/类
public ExprNode validate(ExprValidationContext validationContext) throws ExprValidationException {
ExprNodeUtilityRich.validate(ExprNodeOrigin.PLUGINSINGLEROWPARAM, chainSpec, validationContext);
// get first chain item
List<ExprChainedSpec> chainList = new ArrayList<ExprChainedSpec>(chainSpec);
ExprChainedSpec firstItem = chainList.remove(0);
// Get the types of the parameters for the first invocation
boolean allowWildcard = validationContext.getStreamTypeService().getEventTypes().length == 1;
EventType streamZeroType = null;
if (validationContext.getStreamTypeService().getEventTypes().length > 0) {
streamZeroType = validationContext.getStreamTypeService().getEventTypes()[0];
}
final ExprNodeUtilMethodDesc staticMethodDesc = ExprNodeUtilityRich.resolveMethodAllowWildcardAndStream(clazz.getName(), null, firstItem.getName(), firstItem.getParameters(), validationContext.getEngineImportService(), validationContext.getEventAdapterService(), validationContext.getStatementId(), allowWildcard, streamZeroType, new ExprNodeUtilResolveExceptionHandlerDefault(firstItem.getName(), true), functionName, validationContext.getTableService(), validationContext.getStreamTypeService().getEngineURIQualifier());
boolean allowValueCache = true;
boolean isReturnsConstantResult;
if (config.getValueCache() == ConfigurationPlugInSingleRowFunction.ValueCache.DISABLED) {
isReturnsConstantResult = false;
allowValueCache = false;
} else if (config.getValueCache() == ConfigurationPlugInSingleRowFunction.ValueCache.CONFIGURED) {
isReturnsConstantResult = validationContext.getEngineImportService().isUdfCache() && staticMethodDesc.isAllConstants() && chainList.isEmpty();
allowValueCache = validationContext.getEngineImportService().isUdfCache();
} else if (config.getValueCache() == ConfigurationPlugInSingleRowFunction.ValueCache.ENABLED) {
isReturnsConstantResult = staticMethodDesc.isAllConstants() && chainList.isEmpty();
} else {
throw new IllegalStateException("Invalid value cache code " + config.getValueCache());
}
// this may return a pair of null if there is no lambda or the result cannot be wrapped for lambda-function use
ExprDotStaticMethodWrap optionalLambdaWrap = ExprDotStaticMethodWrapFactory.make(staticMethodDesc.getReflectionMethod(), validationContext.getEventAdapterService(), chainList, config.getOptionalEventTypeName());
EPType typeInfo = optionalLambdaWrap != null ? optionalLambdaWrap.getTypeInfo() : EPTypeHelper.singleValue(staticMethodDesc.getReflectionMethod().getReturnType());
ExprDotForge[] eval = ExprDotNodeUtility.getChainEvaluators(-1, typeInfo, chainList, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic()).getChainWithUnpack();
ExprDotNodeForgeStaticMethod staticMethodForge = new ExprDotNodeForgeStaticMethod(this, isReturnsConstantResult, validationContext.getStatementName(), clazz.getName(), staticMethodDesc.getFastMethod(), staticMethodDesc.getChildForges(), allowValueCache && staticMethodDesc.isAllConstants(), eval, optionalLambdaWrap, config.isRethrowExceptions(), null);
// If caching the result, evaluate now and return the result.
if (isReturnsConstantResult) {
final Object result = staticMethodForge.getExprEvaluator().evaluate(null, true, null);
forge = new ExprPlugInSingleRowNodeForgeConst(this, result, staticMethodDesc.getReflectionMethod());
} else {
forge = new ExprPlugInSingleRowNodeForgeNC(this, staticMethodForge);
}
return null;
}
示例2: validate
import com.espertech.esper.epl.enummethod.dot.ExprDotStaticMethodWrapFactory; //导入依赖的package包/类
public void validate(ExprValidationContext validationContext) throws ExprValidationException
{
ExprNodeUtility.validate(chainSpec, validationContext);
// get first chain item
List<ExprChainedSpec> chainList = new ArrayList<ExprChainedSpec>(chainSpec);
ExprChainedSpec firstItem = chainList.remove(0);
// Get the types of the parameters for the first invocation
boolean allowWildcard = validationContext.getStreamTypeService().getEventTypes().length == 1;
EventType streamZeroType = null;
if (validationContext.getStreamTypeService().getEventTypes().length > 0) {
streamZeroType = validationContext.getStreamTypeService().getEventTypes()[0];
}
final ExprNodeUtilSingleRowMethodDesc staticMethodDesc = ExprNodeUtility.resolveSingleRowPluginFunc(clazz.getName(), firstItem.getName(), firstItem.getParameters(), validationContext.getMethodResolutionService(), allowWildcard, streamZeroType, firstItem.getName(), true);
boolean allowValueCache = true;
if (config.getValueCache() == ConfigurationPlugInSingleRowFunction.ValueCache.DISABLED) {
isReturnsConstantResult = false;
allowValueCache = false;
}
else if (config.getValueCache() == ConfigurationPlugInSingleRowFunction.ValueCache.CONFIGURED) {
isReturnsConstantResult = validationContext.getMethodResolutionService().isUdfCache() && staticMethodDesc.isAllConstants() && chainList.isEmpty();
allowValueCache = validationContext.getMethodResolutionService().isUdfCache();
}
else if (config.getValueCache() == ConfigurationPlugInSingleRowFunction.ValueCache.ENABLED) {
isReturnsConstantResult = staticMethodDesc.isAllConstants() && chainList.isEmpty();
}
else {
throw new IllegalStateException("Invalid value cache code " + config.getValueCache());
}
// this may return a pair of null if there is no lambda or the result cannot be wrapped for lambda-function use
ExprDotStaticMethodWrap optionalLambdaWrap = ExprDotStaticMethodWrapFactory.make(staticMethodDesc.getReflectionMethod(), validationContext.getEventAdapterService(), chainList);
ExprDotEvalTypeInfo typeInfo = optionalLambdaWrap != null ? optionalLambdaWrap.getTypeInfo() : ExprDotEvalTypeInfo.scalarOrUnderlying(staticMethodDesc.getReflectionMethod().getReturnType());
ExprDotEval[] eval = ExprDotNodeUtility.getChainEvaluators(typeInfo, chainList, validationContext, false, new ExprDotNodeFilterAnalyzerInputStatic()).getChainWithUnpack();
evaluator = new ExprDotEvalStaticMethod(validationContext.getStatementName(), clazz.getName(), staticMethodDesc.getFastMethod(), staticMethodDesc.getChildEvals(), allowValueCache && staticMethodDesc.isAllConstants(), optionalLambdaWrap, eval, config.isRethrowExceptions());
// If caching the result, evaluate now and return the result.
if (isReturnsConstantResult) {
final Object result = evaluator.evaluate(null, true, null);
evaluator = new ExprEvaluator() {
public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) {
return result;
}
public Class getType() {
return staticMethodDesc.getFastMethod().getReturnType();
}
public Map<String, Object> getEventType() throws ExprValidationException {
return null;
}
};
}
}