Java Generics类代码示例

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
public DepParseInfo(SemanticGraph dependencies) {
    Collection<IndexedWord> rootNodes = dependencies.getRoots();
    if (rootNodes.isEmpty()) {
        // Shouldn't happen, but return something!
        return;
    }

    StringBuilder sb = new StringBuilder();
    Set<IndexedWord> used = Generics.newHashSet();
    for (IndexedWord root : rootNodes) {
        depParents.put(root.index(), 0);
        depLabels.put(root.index(), "root");
        sb.append("-> ").append(root).append(" (root)\n");
        recToString(root, sb, 1, used, dependencies, depLabels, depParents);
    }

    Set<IndexedWord> nodes = Generics.newHashSet(dependencies.vertexSet());
    nodes.removeAll(used);
    while (!nodes.isEmpty()) {
        IndexedWord node = nodes.iterator().next();
        sb.append(node).append("\n");
        recToString(node, sb, 1, used, dependencies, depLabels, depParents);
        nodes.removeAll(used);
    }

}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * Slow implementation.
 */
public Arc getArc(Object source, Object target) {
  Set arcsFromSource = arcsBySource.get(source);
  Set arcsToTarget = arcsByTarget.get(target);
  HashSet result = Generics.newHashSet();
  result.addAll(arcsFromSource);
  result.retainAll(arcsToTarget); // intersection
  if (result.size() < 1) {
    return null;
  }
  if (result.size() > 1) {
    throw new RuntimeException("Problem in TransducerGraph data structures.");
  }
  // get the only member
  Iterator iterator = result.iterator();
  return (Arc) iterator.next();
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * Finds all arcs between this node and <code>destNode</code>,
 * and returns the <code>Set</code> of <code>Object</code>s which
 * label those arcs.  If no such arcs exist, returns an empty
 * <code>Set</code>.
 *
 * @param destNode the destination node
 * @return the <code>Set</code> of <code>Object</code>s which
 *         label arcs between this node and <code>destNode</code>
 */
public Set<Class<? extends GrammaticalRelationAnnotation>> arcLabelsToNode(TreeGraphNode destNode) {
  Set<Class<? extends GrammaticalRelationAnnotation>> arcLabels = Generics.newHashSet();
  CyclicCoreLabel cl = label();
  for (Iterator<Class<?>> it = cl.keySet().iterator(); it.hasNext();) {
    Class<? extends CoreAnnotation> key = (Class<? extends CoreAnnotation>) it.next();//javac doesn't compile properly if generics are fully specified (but eclipse does...)
    Object val = cl.get(key);
    if (val != null && val instanceof Set) {
      if (((Set) val).contains(destNode)) {
        if (key != null) {
          arcLabels.add((Class<? extends GrammaticalRelationAnnotation>) key);
        }
      }
    }
  }
  return arcLabels;
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * The constructor builds a list of typed dependencies using
 * information from a <code>GrammaticalStructure</code>.
 *
 * @param getExtra If true, the list of typed dependencies will contain extra ones.
 *              If false, the list of typed dependencies will respect the tree structure.
 */
private List<TypedDependency> getDeps(boolean getExtra, Filter<TypedDependency> f) {
  List<TypedDependency> basicDep = Generics.newArrayList();

  for (Dependency<Label, Label, Object> d : dependencies()) {
    TreeGraphNode gov = (TreeGraphNode) d.governor();
    TreeGraphNode dep = (TreeGraphNode) d.dependent();
      //System.out.println("Gov: " + gov);
      //System.out.println("Dep: " + dep);
    GrammaticalRelation reln = getGrammaticalRelation(gov, dep);
      //System.out.println("Reln: " + reln);
    basicDep.add(new TypedDependency(reln, gov, dep));
  }
  if (getExtra) {
    TreeGraphNode rootTree = root();
    getDep(rootTree, basicDep, f); // adds stuff to basicDep
  }
  Collections.sort(basicDep);
  return basicDep;
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * Returns all the dependencies of a certain node.
 *
 * @param node The node to return dependents for
 * @return map of dependencies
 */
private static Map<Class<? extends CoreAnnotation>, Set<TreeGraphNode>> getAllDependents(TreeGraphNode node) {
  Map<Class<? extends CoreAnnotation>, Set<TreeGraphNode>> newMap = Generics.newHashMap();

  for (Class<?> o : node.label.keySet()) {
    try {
      // The line below will exception unless it's a GrammaticalRelationAnnotation,
      // so the effect is that only the GrammaticalRelationAnnotation things get put into newMap
      o.asSubclass(GrammaticalRelationAnnotation.class);
      newMap.put((Class<? extends CoreAnnotation>) o, (Set<TreeGraphNode>) node.label.get((Class<? extends CoreAnnotation>) o));//javac doesn't compile properly if generics are fully specified (but eclipse does...)
    } catch (Exception e) {
      // ignore a non-GrammaticalRelationAnnotation element
    }
  }
  return newMap;
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * Transforms t if it contains an UCP, it will change the UCP tag
 * into the phrasal tag of the first word of the UCP
 * (UCP (JJ electronic) (, ,) (NN computer) (CC and) (NN building))
 * will become
 * (ADJP (JJ electronic) (, ,) (NN computer) (CC and) (NN building))
 *
 * @param t a tree to be transformed
 * @return t transformed
 */
public static Tree UCPtransform(Tree t) {
  Tree firstChild = t.firstChild();
  if (firstChild != null) {
    List<Pair<TregexPattern,TsurgeonPattern>> ops = Generics.newArrayList();

    for (int i = 0; i < operations.length; i++) {
      for (TregexPattern pattern : matchPatterns[i]) {
        ops.add(Generics.newPair(pattern, operations[i]));
      }
    }

    return Tsurgeon.processPatternsOnTree(ops, t);
  } else {
    return t;
  }
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
private static Set<List<TypedDependency>> getGovMaxChains(Map<TreeGraphNode,List<TypedDependency>> govToDepMap, TreeGraphNode gov, int depth) {
  Set<List<TypedDependency>> depLists = Generics.newHashSet();
  List<TypedDependency> children = govToDepMap.get(gov);
  
  if (depth > 0 && children != null) {
    for (TypedDependency child : children) {
      TreeGraphNode childNode = child.dep();
      if (childNode == null) continue;
      Set<List<TypedDependency>> childDepLists = getGovMaxChains(govToDepMap, childNode, depth-1);
      if (childDepLists.size() != 0) {
        for (List<TypedDependency> childDepList : childDepLists) {
          List<TypedDependency> depList = new ArrayList<TypedDependency>(childDepList.size() + 1);
          depList.add(child);
          depList.addAll(childDepList);
          depLists.add(depList);
        }
      } else {
        depLists.add(Arrays.asList(child));
      }
    }
  }
  return depLists;
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * prints the full feature matrix in tab-delimited form. These can be BIG
 * matrices, so be careful! [Can also use printFullFeatureMatrixWithValues]
 */
public void printFullFeatureMatrix(PrintWriter pw) {
  String sep = "\t";
  for (int i = 0; i < featureIndex.size(); i++) {
    pw.print(sep + featureIndex.get(i));
  }
  pw.println();
  for (int i = 0; i < labels.length; i++) {
    pw.print(labelIndex.get(i));
    Set<Integer> feats = Generics.newHashSet();
    for (int j = 0; j < data[i].length; j++) {
      int feature = data[i][j];
      feats.add(Integer.valueOf(feature));
    }
    for (int j = 0; j < featureIndex.size(); j++) {
      if (feats.contains(Integer.valueOf(j))) {
        pw.print(sep + "1");
      } else {
        pw.print(sep + "0");
      }
    }
    pw.println();
  }
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * Finds all arcs between this node and <code>destNode</code>,
 * and returns the <code>Set</code> of <code>Object</code>s which
 * label those arcs.  If no such arcs exist, returns an empty
 * <code>Set</code>.
 *
 * @param destNode the destination node
 * @return the <code>Set</code> of <code>Object</code>s which
 *         label arcs between this node and <code>destNode</code>
 */
public Set<Class<? extends GrammaticalRelationAnnotation>> arcLabelsToNode(TreeGraphNode destNode) {
  Set<Class<? extends GrammaticalRelationAnnotation>> arcLabels = Generics.newHashSet();
  CoreLabel cl = label();
  for (Class key : cl.keySet()) {
    if (key == null || !GrammaticalRelationAnnotation.class.isAssignableFrom(key)) {
      continue;
    }
    Class<? extends GrammaticalRelationAnnotation> typedKey = ErasureUtils.uncheckedCast(key);
    Set<TreeGraphNode> val = cl.get(typedKey);
    if (val != null && val.contains(destNode)) {
      arcLabels.add(typedKey);
    }
  }
  return arcLabels;
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * Make a new instance of this classifier. The ignoreCase option allows case-insensitive
 * regular expression matching, provided with the idea that the provided file might just
 * be a manual list of the possible entities for each type.
 * @param mapping
 * @param ignoreCase
 */
public RegexNERSequenceClassifier(String mapping, boolean ignoreCase, boolean overwriteMyLabels, String validPosRegex) {
  super(new Properties());
  if (validPosRegex != null && !validPosRegex.equals("")) {
    validPosPattern = Pattern.compile(validPosRegex);
  } else {
    validPosPattern = null;
  }
  entries = readEntries(mapping, ignoreCase);
  this.ignoreCase = ignoreCase;
  this.overwriteMyLabels = overwriteMyLabels;
  myLabels = Generics.newHashSet();
  if(this.overwriteMyLabels) {
    for(Entry entry: entries) myLabels.add(entry.type);
  }
  //System.err.println("RegexNERSequenceClassifier using labels: " +
  //                   myLabels);
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/**
 * prints the full feature matrix in tab-delimited form.  These can be BIG
 * matrices, so be careful!
 */
public void printFullFeatureMatrix(PrintWriter pw) {
  String sep = "\t";
  for (int i = 0; i < featureIndex.size(); i++) {
    pw.print(sep + featureIndex.get(i));
  }
  pw.println();
  for (int i = 0; i < labels.length; i++) {
    pw.print(labelIndex.get(i));
    Set<Integer> feats = Generics.newHashSet();
    for (int j = 0; j < data[i].length; j++) {
      int feature = data[i][j];
      feats.add(Integer.valueOf(feature));
    }
    for (int j = 0; j < featureIndex.size(); j++) {
      if (feats.contains(Integer.valueOf(j))) {
        pw.print(sep + '1');
      } else {
        pw.print(sep + '0');
      }
    }
  }
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
@Override
protected void calculatePrecision(Document doc) {
  int pDen = 0;
  int pNum = 0;
  Map<Integer, Mention> goldMentions = doc.allGoldMentions;

  for(CorefCluster c : doc.corefClusters.values()){
    if(c.corefMentions.size()==0) continue;
    pDen += c.corefMentions.size()-1;
    pNum += c.corefMentions.size();
    Set<CorefCluster> partitions = Generics.newHashSet();
    for (Mention predictedMention : c.corefMentions){
      if(!goldMentions.containsKey(predictedMention.mentionID)) {  // twinless goldmention
        pNum--;
      } else {
        partitions.add(doc.goldCorefClusters.get(goldMentions.get(predictedMention.mentionID).goldCorefClusterID));
      }
    }
    pNum -= partitions.size();
  }
  assert(pDen == (doc.allPredictedMentions.size()-doc.corefClusters.values().size()));

  precisionDenSum += pDen;
  precisionNumSum += pNum;
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
public static RedirectOutputHandler<Logger, Level> fromJavaUtilLogging(Logger logger) {
  Map <Object, Level> channelMapping = Generics.newHashMap();
  channelMapping.put(Redwood.WARN, Level.WARNING);
  channelMapping.put(Redwood.DBG, Level.FINE);
  channelMapping.put(Redwood.ERR, Level.SEVERE);
  try {
    return new RedirectOutputHandler<Logger, Level>(
        logger,
        Logger.class.getMethod("log", Level.class, String.class),
        channelMapping,
        Level.INFO
        );
  } catch (NoSuchMethodException e) {
    throw new IllegalStateException(e);
  }
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
@SuppressWarnings("unchecked")
private void init() {
  ruleMap = Generics.newHashMap();
  int numStates = index.size();
  rulesWithParent = new List[numStates];
  rulesWithLC = new List[numStates];
  rulesWithRC = new List[numStates];
  ruleSetWithLC = new Set[numStates];
  ruleSetWithRC = new Set[numStates];
  for (int s = 0; s < numStates; s++) {
    rulesWithParent[s] = new ArrayList<BinaryRule>();
    rulesWithLC[s] = new ArrayList<BinaryRule>();
    rulesWithRC[s] = new ArrayList<BinaryRule>();
    ruleSetWithLC[s] = Generics.newHashSet();
    ruleSetWithRC[s] = Generics.newHashSet();
  }
}
 

import edu.stanford.nlp.util.Generics; //导入依赖的package包/类
/** A TagCount object's fields are read from the file. They are read from
  *  the current position and the file is not closed afterwards.
  */
 public static TagCount readTagCount(DataInputStream rf) {
   try {
     TagCount tc = new TagCount();
     int numTags = rf.readInt();
     tc.map = Generics.newHashMap(numTags);

     for (int i = 0; i < numTags; i++) {
String tag = rf.readUTF();
       int count = rf.readInt();

if (tag.equals(NULL_SYMBOL)) tag = null;
tc.map.put(tag, count);
     }

     tc.getTagsCache = tc.map.keySet().toArray(new String[tc.map.keySet().size()]);
     tc.sumCache = tc.calculateSumCache();
     return tc;
   } catch (IOException e) {
     throw new RuntimeIOException(e);
   }
 }