本文整理汇总了Java中com.hazelcast.mapreduce.Context.emit方法的典型用法代码示例。如果您正苦于以下问题：Java Context.emit方法的具体用法？Java Context.emit怎么用？Java Context.emit使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.hazelcast.mapreduce.Context的用法示例。
在下文中一共展示了Context.emit方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Person value, Context<String, Integer> context) {
if (state != null) {
if (!state.equals(value.getState())) {
return;
}
}
String name = abbrevationMapping.get(value.getState());
IMap<String, SalaryYear> salariesMap = hazelcastInstance.getMap("salaries");
// Person's partition key is email!
SalaryYear salaryYear = salariesMap.get(value.getEmail());
for (SalaryMonth salaryMonth : salaryYear.getMonths()) {
context.emit(name, salaryMonth.getSalary());
}
}
示例2: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(
final Integer key,
final SpatialPoint value,
final Context<Integer, Integer> collector)
{
final double x = value.point.getX();
final double y = value.point.getY();
m_insidePolygon.setXY(x, y);
final Collection<SpatialPolygon> collection = m_map.values(m_insidePolygon);
if (!collection.isEmpty())
{
collector.emit(collection.iterator().next().id, 1);
}
}
示例3: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, String value, Context<String, Integer> context) {
StringTokenizer tokenizer = new StringTokenizer(value);
while (tokenizer.hasMoreTokens()) {
String word = WordCountExample.cleanWord(tokenizer.nextToken());
if (word.length() >= 4) {
context.emit(word.toLowerCase(), ONE);
}
}
}
示例4: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Person value, Context<String, Person> context) {
if (state != null) {
if (!state.equals(value.getState())) {
return;
}
}
context.emit(value.getState(), value);
}
示例5: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Crime value, Context<CrimeCategory, Integer> context) {
if (!stateName.equals(value.getState())) {
return;
}
context.emit(value.getCrime(), value.getCount());
}
示例6: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Person value, Context<String, Integer> context) {
if (state != null) {
if (!state.equals(value.getState())) {
return;
}
}
String name = abbrevationMapping.get(value.getState());
context.emit(name, ONE);
}
示例7: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, String value, Context<String, Integer> context) {
StringTokenizer tokenizer = new StringTokenizer(value);
while (tokenizer.hasMoreTokens()) {
String word = WordCount.cleanWord(tokenizer.nextToken());
context.emit(word.toLowerCase(), ONE);
}
}
示例8: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(Comparable key, Double value, Context<Feature, Double> context) {
MultiMap<Comparable, FeatureConfidenceTuple> multiMap = hazelcastInstance.getMultiMap("traindata-"+this.mapKey);
Collection<FeatureConfidenceTuple> values = multiMap.get(key);
for (FeatureConfidenceTuple featureConfidenceTuple : values) {
context.emit(featureConfidenceTuple.getFeature(), (featureConfidenceTuple.getConfidenceCoefficient() * value.doubleValue()));
}
}
示例9: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Double value, Context<String, Double> context) {
MultiMap<String, KeyValueTuple> multiMap = hazelcastInstance.getMultiMap("keyValueTuples");
Collection<KeyValueTuple> values = multiMap.get(key);
for (KeyValueTuple keyValueTuple : values) {
context.emit(keyValueTuple.getKey(), (keyValueTuple.getValue()*value.doubleValue()) );
}
}
示例10: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(ByteHolder key, ClassifiedFeature value, Context<Map<String, Serializable>, Classification> context) {
for (UnclassifiedFeature unclassifiedFeature : this.data) {
List<Pair<Map<String, Serializable>, Classification>> list = new LinkedList<Pair<Map<String, Serializable>, Classification>>();
Double coef = unclassifiedFeature.getConfidence() * value.getClassification().getConfidence();
boolean similar = false;
for (Map.Entry<String, Serializable> stringSerializableEntry : unclassifiedFeature.getFeatureMap().entrySet()) {
for (Map.Entry<String, Serializable> stringSerializableEntryInner : value.getFeatureMap().entrySet()) {
if (stringSerializableEntry.getValue().equals(stringSerializableEntryInner.getValue())) {
similar = true;
} else {
Map<String, Serializable> otherKey = new HashMap<String, Serializable>();
otherKey.put("key", stringSerializableEntryInner.getValue());
list.add(new Pair<Map<String, Serializable>, Classification>(otherKey, new Classification(stringSerializableEntryInner.getValue(), coef)));
}
}
}
if (similar) {
for (Pair<Map<String, Serializable>, Classification> pair : list) {
context.emit(pair.fst, pair.snd);
}
}
//System.out.println("New map:"+value.getClassification().toString());
}
}
开发者ID:bgokden，项目名称:predictblty，代码行数:28，代码来源:UserBasedCollaborativeFilteringRecommendationAlgorithmMapper.java
示例11: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(Map<String, Serializable> key, Classification value, Context<Map<String, Serializable>, Classification> context) {
for (UnclassifiedFeature unclassifiedFeature : this.data) {
//double distance = unclassifiedFeature.getFeature().distanceTo(key);
double distance = this.comparator.compare(unclassifiedFeature.getFeatureMap(), key);
double weight = Double.MAX_VALUE;
if (distance != 0) {
weight = value.getConfidence() * unclassifiedFeature.getConfidence() / distance;
}
context.emit(unclassifiedFeature.getFeatureMap(), new Classification(value.getClassification(), weight));
//System.out.println("New map:"+value.getClassification().toString());
}
}
示例12: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, String numbersString, Context<Integer, Integer> context) {
StringTokenizer tokenizer = new StringTokenizer(numbersString);
while (tokenizer.hasMoreTokens()) {
Integer number = Integer.valueOf(tokenizer.nextToken());
context.emit(number, ONE);
}
}
示例13: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, String document, Context<String, Long> context) {
// Just splitting the text by whitespaces
StringTokenizer tokenizer = new StringTokenizer(document.toLowerCase());
// For every token in the text (=> per word)
while (tokenizer.hasMoreTokens()) {
// Emit a new value in the mapped results
context.emit(tokenizer.nextToken(), ONE);
}
}
示例14: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Integer value, Context<String, Integer> context) {
AbstractMap.SimpleEntry entry = new AbstractMap.SimpleEntry(key, value);
Integer valueOut = (Integer) supplier.apply((Map.Entry) entry);
if (valueOut != null) {
context.emit(key, valueOut);
}
}
示例15: map
import com.hazelcast.mapreduce.Context; //导入方法依赖的package包/类
@Override
public void map(String key, Person value, Context<String, Person> context) {
if (firstName.equalsIgnoreCase(value.getFirstName())) {
context.emit(value.getEmail(), value);
}
}