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Added expiring time to TypesKnowledge

This commit is contained in:
luca.frosini 2023-10-31 15:50:16 +01:00
parent 118e058c90
commit ef74dd31ea
1 changed files with 32 additions and 0 deletions
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32
src/main/java/org/gcube/informationsystem/types/knowledge/TypesKnowledge.java
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@ -1,6 +1,8 @@
package org.gcube.informationsystem.types.knowledge;
import java.util.Calendar;
import java.util.Collection;
import java.util.concurrent.TimeUnit;
import org.gcube.informationsystem.base.reference.AccessType;
import org.gcube.informationsystem.model.knowledge.ModelKnowledge;
@ -21,15 +23,35 @@ public class TypesKnowledge {
return instance;
}
// in millisec
public static final long DEFAULT_EXPIRING_TIMEOUT;
static {
DEFAULT_EXPIRING_TIMEOUT = TimeUnit.HOURS.toMillis(6);
}
protected boolean initialized;
public int expiringTimeout;
// in millisec used only for logging and debugging
protected Calendar creationTime;
// in millisec
protected Calendar expiringTime;
protected ModelKnowledge<Type, TypeInformation> modelKnowledge;
protected TypesDiscoverer<Type> typesDiscoverer;
public TypesKnowledge() {
initialized = false;
expiringTimeout = (int) DEFAULT_EXPIRING_TIMEOUT;
modelKnowledge = new ModelKnowledge<>(new TypeInformation());
}
public void setExpiringTimeout(int expiringTimeout) {
this.expiringTimeout = expiringTimeout;
}
public TypesDiscoverer<Type> getTypesDiscoverer() {
return typesDiscoverer;
}
@ -41,6 +63,11 @@ public class TypesKnowledge {
public ModelKnowledge<Type, TypeInformation> getModelKnowledge() {
if(!initialized) {
discover();
}else {
Calendar now = Calendar.getInstance();
if(now.after(expiringTime)) {
renew();
}
}
return modelKnowledge;
}
@ -55,6 +82,11 @@ public class TypesKnowledge {
modelKnowledge.addAllType(types);
}
initialized = true;
this.creationTime = Calendar.getInstance();
this.expiringTime = Calendar.getInstance();
this.expiringTime.setTimeInMillis(creationTime.getTimeInMillis());
this.expiringTime.add(Calendar.MILLISECOND, -1);
this.expiringTime.add(Calendar.MILLISECOND, expiringTimeout);
}
}