apoc.meta.tablesforlabels.PropertyContainerProfile Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of apoc-common Show documentation
Show all versions of apoc-common Show documentation
Data types package for Neo4j Procedures
package apoc.meta.tablesforlabels;
import apoc.meta.ConstraintTracker;
import org.neo4j.graphdb.Entity;
import java.util.*;
/**
* A profile of a particular ordered label set (or relationship type) has a set of possible properties that can exist, and
* stats about those properties.
*/
public class PropertyContainerProfile {
public long observations;
public boolean isNode;
Map profile;
public PropertyContainerProfile() {
observations = 0;
profile = new HashMap<>(3);
isNode = false;
}
public Set propertyNames() { return profile.keySet(); }
public PropertyTracker trackerFor(String propName) { return profile.get(propName); }
public void observe(Entity n, boolean isNode) {
observations++;
for (String propName : n.getPropertyKeys()) {
PropertyTracker tracker;
if (profile.containsKey(propName)) {
tracker = profile.get(propName);
} else {
tracker = new PropertyTracker();
profile.put(propName, tracker);
}
tracker.addObservation(n.getProperty(propName));
tracker.mandatory = false;
this.isNode = isNode;
}
}
public PropertyContainerProfile finished() {
PropertyTracker tracker;
for (String propName : this.propertyNames()) {
if (this.isNode) {
// Check for node constraints
for (Map.Entry> entry : ConstraintTracker.nodeConstraints.entrySet()) {
for (String pk : entry.getValue()) {
if (this.profile.containsKey(pk)) {
tracker = this.profile.get(pk);
tracker.mandatory = true;
}
}
}
} else {
// Check for relationship constraints
for (Map.Entry> entry : ConstraintTracker.relConstraints.entrySet()) {
for (String pk : entry.getValue()) {
if (this.profile.containsKey(pk)) {
tracker = this.profile.get(pk);
tracker.mandatory = true;
}
}
}
}
}
return this;
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy