本文整理汇总了Java中com.espertech.esper.client.annotation.Drop类的典型用法代码示例。如果您正苦于以下问题:Java Drop类的具体用法?Java Drop怎么用?Java Drop使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
Drop类属于com.espertech.esper.client.annotation包,在下文中一共展示了Drop类的5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: analyzeAnnotations
import com.espertech.esper.client.annotation.Drop; //导入依赖的package包/类
/**
* Analyze the annotations and return priority and drop settings.
* @param annotations to analyze
* @return analysis result
*/
public static AnnotationAnalysisResult analyzeAnnotations(Annotation[] annotations)
{
boolean preemptive = false;
int priority = 0;
boolean hasPrioritySetting = false;
for (Annotation annotation : annotations)
{
if (annotation instanceof Priority)
{
priority = ((Priority) annotation).value();
hasPrioritySetting = true;
}
if (annotation instanceof Drop)
{
preemptive = true;
}
}
if (!hasPrioritySetting && preemptive)
{
priority = 1;
}
return new AnnotationAnalysisResult(priority, preemptive);
}
示例2: testSchedulingPriority
import com.espertech.esper.client.annotation.Drop; //导入依赖的package包/类
@Priority(10)
@Drop
public void testSchedulingPriority()
{
sendTimer(0,epService);
EPStatement stmt = epService.getEPAdministrator().createEPL("@Priority(1) select 1 as prio from pattern [every timer:interval(10)]", "s1");
stmt.addListener(listener);
stmt = epService.getEPAdministrator().createEPL("@Priority(3) select 3 as prio from pattern [every timer:interval(10)]", "s3");
stmt.addListener(listener);
stmt = epService.getEPAdministrator().createEPL("@Priority(2) select 2 as prio from pattern [every timer:interval(10)]", "s2");
stmt.addListener(listener);
stmt = epService.getEPAdministrator().createEPL("@Priority(4) select 4 as prio from pattern [every timer:interval(10)]", "s4");
stmt.addListener(listener);
sendTimer(10000, epService);
assertPrio(null, new int[] {4, 3, 2, 1});
epService.getEPAdministrator().getStatement("s2").destroy();
stmt = epService.getEPAdministrator().createEPL("select 0 as prio from pattern [every timer:interval(10)]", "s0");
stmt.addListener(listener);
sendTimer(20000, epService);
assertPrio(null, new int[] {4, 3, 1, 0});
stmt = epService.getEPAdministrator().createEPL("@Priority(2) select 2 as prio from pattern [every timer:interval(10)]", "s2");
stmt.addListener(listener);
sendTimer(30000, epService);
assertPrio(null, new int[] {4, 3, 2, 1, 0});
stmt = epService.getEPAdministrator().createEPL("@Priority(3) select 3 as prio from pattern [every timer:interval(10)]", "s2");
stmt.addListener(listener);
sendTimer(40000, epService);
assertPrio(null, new int[] {4, 3, 3, 2, 1, 0});
}
示例3: runAssertionSchedulingPriority
import com.espertech.esper.client.annotation.Drop; //导入依赖的package包/类
@Priority(10)
@Drop
private void runAssertionSchedulingPriority(EPServiceProvider epService) {
sendTimer(0, epService);
EPStatement stmt = epService.getEPAdministrator().createEPL("@Priority(1) select 1 as prio from pattern [every timer:interval(10)]", "s1");
SupportUpdateListener listener = new SupportUpdateListener();
stmt.addListener(listener);
stmt = epService.getEPAdministrator().createEPL("@Priority(3) select 3 as prio from pattern [every timer:interval(10)]", "s3");
stmt.addListener(listener);
stmt = epService.getEPAdministrator().createEPL("@Priority(2) select 2 as prio from pattern [every timer:interval(10)]", "s2");
stmt.addListener(listener);
stmt = epService.getEPAdministrator().createEPL("@Priority(4) select 4 as prio from pattern [every timer:interval(10)]", "s4");
stmt.addListener(listener);
sendTimer(10000, epService);
assertPrio(listener, null, new int[]{4, 3, 2, 1});
epService.getEPAdministrator().getStatement("s2").destroy();
stmt = epService.getEPAdministrator().createEPL("select 0 as prio from pattern [every timer:interval(10)]", "s0");
stmt.addListener(listener);
sendTimer(20000, epService);
assertPrio(listener, null, new int[]{4, 3, 1, 0});
stmt = epService.getEPAdministrator().createEPL("@Priority(2) select 2 as prio from pattern [every timer:interval(10)]", "s2");
stmt.addListener(listener);
sendTimer(30000, epService);
assertPrio(listener, null, new int[]{4, 3, 2, 1, 0});
stmt = epService.getEPAdministrator().createEPL("@Priority(3) select 3 as prio from pattern [every timer:interval(10)]", "s2");
stmt.addListener(listener);
sendTimer(40000, epService);
assertPrio(listener, null, new int[]{4, 3, 3, 2, 1, 0});
epService.getEPAdministrator().destroyAllStatements();
}
示例4: initialize
import com.espertech.esper.client.annotation.Drop; //导入依赖的package包/类
private NullableObject<InternalEventRouterPreprocessor> initialize(EventType eventType) {
EventTypeSPI eventTypeSPI = (EventTypeSPI) eventType;
List<InternalEventRouterEntry> desc = new ArrayList<InternalEventRouterEntry>();
// determine which ones to process for this types, and what priority and drop
Set<String> eventPropertiesWritten = new HashSet<String>();
for (Map.Entry<UpdateDesc, IRDescEntry> entry : descriptors.entrySet()) {
boolean applicable = entry.getValue().getEventType() == eventType;
if (!applicable) {
if (eventType.getDeepSuperTypes() != null) {
for (Iterator<EventType> it = eventType.getDeepSuperTypes(); it.hasNext(); ) {
if (it.next() == entry.getValue().getEventType()) {
applicable = true;
break;
}
}
}
}
if (!applicable) {
continue;
}
int priority = 0;
boolean isDrop = false;
Annotation[] annotations = entry.getValue().getAnnotations();
for (int i = 0; i < annotations.length; i++) {
if (annotations[i] instanceof Priority) {
priority = ((Priority) annotations[i]).value();
}
if (annotations[i] instanceof Drop) {
isDrop = true;
}
}
List<String> properties = new ArrayList<String>();
ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
for (int i = 0; i < entry.getKey().getAssignments().size(); i++) {
OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
Pair<String, ExprNode> assignmentPair = ExprNodeUtilityRich.checkGetAssignmentToProp(assignment.getExpression());
expressions[i] = assignmentPair.getSecond();
properties.add(assignmentPair.getFirst());
eventPropertiesWritten.add(assignmentPair.getFirst());
}
EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getValue().getOptionalWhereClauseEvaluator(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView(), entry.getValue().getAgentInstanceLock(), entry.getValue().hasSubselect));
}
EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(eventPropertiesWritten.toArray(new String[eventPropertiesWritten.size()]));
if (copyMethod == null) {
return new NullableObject<>(null);
}
return new NullableObject<>(new InternalEventRouterPreprocessor(copyMethod, desc));
}
示例5: initialize
import com.espertech.esper.client.annotation.Drop; //导入依赖的package包/类
private NullableObject<InternalEventRouterPreprocessor> initialize(EventType eventType)
{
EventTypeSPI eventTypeSPI = (EventTypeSPI) eventType;
List<InternalEventRouterEntry> desc = new ArrayList<InternalEventRouterEntry>();
// determine which ones to process for this types, and what priority and drop
Set<String> eventPropertiesWritten = new HashSet<String>();
for (Map.Entry<UpdateDesc, IRDescEntry> entry : descriptors.entrySet())
{
boolean applicable = entry.getValue().getEventType() == eventType;
if (!applicable)
{
if (eventType.getDeepSuperTypes() != null)
{
for (Iterator<EventType> it = eventType.getDeepSuperTypes(); it.hasNext();)
{
if (it.next() == entry.getValue().getEventType())
{
applicable = true;
break;
}
}
}
}
if (!applicable)
{
continue;
}
int priority = 0;
boolean isDrop = false;
Annotation[] annotations = entry.getValue().getAnnotations();
for (int i = 0; i < annotations.length; i++)
{
if (annotations[i] instanceof Priority)
{
priority = ((Priority) annotations[i]).value();
}
if (annotations[i] instanceof Drop)
{
isDrop = true;
}
}
List<String> properties = new ArrayList<String>();
ExprNode[] expressions = new ExprNode[entry.getKey().getAssignments().size()];
for (int i = 0; i < entry.getKey().getAssignments().size(); i++)
{
OnTriggerSetAssignment assignment = entry.getKey().getAssignments().get(i);
expressions[i] = assignment.getExpression();
properties.add(assignment.getVariableName());
eventPropertiesWritten.add(assignment.getVariableName());
}
EventBeanWriter writer = eventTypeSPI.getWriter(properties.toArray(new String[properties.size()]));
desc.add(new InternalEventRouterEntry(priority, isDrop, entry.getKey().getOptionalWhereClause(), expressions, writer, entry.getValue().getWideners(), entry.getValue().getOutputView(), entry.getValue().getAgentInstanceLock(), entry.getValue().hasSubselect));
}
EventBeanCopyMethod copyMethod = eventTypeSPI.getCopyMethod(eventPropertiesWritten.toArray(new String[eventPropertiesWritten.size()]));
if (copyMethod == null)
{
return new NullableObject<InternalEventRouterPreprocessor>(null);
}
return new NullableObject<InternalEventRouterPreprocessor>(new InternalEventRouterPreprocessor(copyMethod, desc));
}