57 lines
1.3 KiB
Java
57 lines
1.3 KiB
Java
package org.gcube.informationsystem.utils.documentation.knowledge;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Map;
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import org.gcube.informationsystem.types.reference.properties.LinkedEntity;
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public class Knowledge {
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private static Knowledge singleton;
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public static Knowledge getInstace() {
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if(Knowledge.singleton==null) {
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Knowledge.singleton = new Knowledge();
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}
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return Knowledge.singleton;
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}
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protected Map<String, List<LinkedEntity>> map;
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private Knowledge(){
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this.map = new LinkedHashMap<>();
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}
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protected void add(String typeName, LinkedEntity linkedEntity) {
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List<LinkedEntity> list = map.get(typeName);
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if(list==null) {
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list = new ArrayList<>();
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map.put(typeName, list);
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}
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list.add(linkedEntity);
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}
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public void add(LinkedEntity linkedEntity) {
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String source = linkedEntity.getSource();
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add(source, linkedEntity);
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String relation = linkedEntity.getRelation();
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add(relation, linkedEntity);
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String target = linkedEntity.getTarget();
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add(target, linkedEntity);
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}
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public void addAll(List<LinkedEntity> linkedEntities) {
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for(LinkedEntity le : linkedEntities) {
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add(le);
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}
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}
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public List<LinkedEntity> getUsage(String typeName){
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List<LinkedEntity> list = map.get(typeName);
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return list;
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}
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}
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