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package com.keuin.kbackupfabric.util.backup.incremental;
import java.io.Serializable;
import java.util.*;
/**
* This class must be in package `com.keuin.kbackupfabric.util.backup.incremental.ObjectCollection`,
* or it will not be compatible with old backups.
* It remains only to keep a backward compatibility, and should be converted to `ObjectCollection2` as soon as possible.
* Thus, this class is marked as `Depreciated`. However, it should not be removed since it is needed to read legacy
* backups correctly. But new codes should not use this class any more.
*/
@Deprecated
public class ObjectCollection implements Serializable {
private static final long serialVersionUID = -3098905094513096717L;
private final String name;
private final Map<String, ObjectElement> elements;
private final Map<String, ObjectCollection> subCollections;
ObjectCollection(String name, Set<ObjectElement> elements, Map<String, ObjectCollection> subCollections) {
this.name = Objects.requireNonNull(name);
this.elements = new HashMap<>();
for (ObjectElement e : elements) {
Objects.requireNonNull(e);
if (this.elements.put(e.getName(), e) != null) {
throw new IllegalStateException("elements conflict with the same name");
}
}
this.subCollections = new HashMap<>(Objects.requireNonNull(subCollections));
}
public String getName() {
return name;
}
public Set<ObjectElement> getElementSet() {
return new HashSet<>(elements.values());
}
public Map<String, ObjectElement> getElementMap() {
return Collections.unmodifiableMap(elements);
}
public ObjectElement getElement(String name) {
return elements.get(name);
}
public Set<ObjectCollection> getSubCollectionSet() {
return new HashSet<>(subCollections.values());
}
public Map<String, ObjectCollection> getSubCollectionMap() {
return Collections.unmodifiableMap(subCollections);
}
public ObjectCollection getSubCollection(String name) {
return subCollections.get(name);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ObjectCollection that = (ObjectCollection) o;
return name.equals(that.name) &&
elements.equals(that.elements) &&
subCollections.equals(that.subCollections);
}
@Override
public int hashCode() {
return Objects.hash(name, elements, subCollections);
}
}
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