package com.exsoinn.util.epf;
   
   import com.exsoinn.util.DnbBusinessObject;
   
   import java.util.*;
   
   /**
    * Created by QuijadaJ on 5/3/2017.
    */
  public final class SearchResult implements Map<String, Context>, DnbBusinessObject {
  
      private final Map<String, Context> m;
  
      private SearchResult(Map<String, Context> pResult) {
          /*
           * Defensively copying passed in Map to enforce immutability.
           */
          m = new HashMap<>(pResult);
      }
  
      public Context firstResult() {
          if (null == m || m.isEmpty()) {
              return null;
          }
          return m.entrySet().iterator().next().getValue();
      }
  
      public static SearchResult emptySearchResult() {
          return new SearchResult(Collections.emptyMap());
      }
  
      public static SearchResult createSearchResult(Map<String, Context> pResult) {
          return new SearchResult(pResult);
      }
  
      @Override
      public int size() {
          return m.size();
      }
  
      @Override
      public boolean isEmpty() {
          return m.isEmpty();
      }
  
      @Override
      public boolean containsKey(Object pKey) {
          return m.containsKey(pKey);
      }
  
      @Override
      public boolean containsValue(Object pValue) {
          return m.containsValue(pValue);
      }
  
      @Override
      public Context get(Object pKey) {
          return m.get(pKey);
      }
  
      @Override
      public Context put(String pKey, Context pValue) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public Context remove(Object pKey) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void putAll(Map<? extends String, ? extends Context> pMap) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void clear() {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public Set<String> keySet() {
          return new HashSet<>(m.keySet());
      }
  
      @Override
      public Collection<Context> values() {
          return new ArrayList<>(m.values());
      }
  
      @Override
      public Set<Entry<String, Context>> entrySet() {
          return new HashSet<>(m.entrySet());
      }
  
      @Override
      public String toString() {
          return m.toString();
      }
 
 
 }