dcaedt_catalog/service/src/main/java/org/onap/sdc/dcae/catalog/engine/ElementsLookup.java


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package org.onap.sdc.dcae.catalog.engine;

import java.util.Map;
import java.util.Collections;

import org.json.JSONObject;
import org.onap.sdc.dcae.catalog.engine.CatalogRequest;

import com.fasterxml.jackson.annotation.JsonIgnore;

/** 
 */
public class ElementsLookup extends CatalogRequest {

	private String 						annotation;
	private Map<String,Object> selector;

	public void setAnnotation(String theAnnon) {
		this.annotation = theAnnon;
	}

	public String getAnnotation() {
		return this.annotation;
	}

	public Map<String,Object> getSelector() {
		return this.selector == null ? Collections.EMPTY_MAP : this.selector;
	}

	public void setSelector(Map<String,Object> theSelector) {
		this.selector = theSelector;
	}

	public Object getSelectorEntry(String theName) {
		return getSelector().get(theName);
	}

	/**
   * Because the JSONObject(Map) constructor would not copy entries wth null values.
   */
	@JsonIgnore
	public JSONObject getJSONSelector() {
		JSONObject jsonSelector = new JSONObject();
		for (Map.Entry<String, Object> entry: this.selector.entrySet()) {
			jsonSelector.put(entry.getKey(), entry.getValue() != null ? entry.getValue() : JSONObject.NULL);
		}
		return jsonSelector;
	}
}