本文整理了Java中java.util.LinkedHashMap.compute()
方法的一些代码示例,展示了LinkedHashMap.compute()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。LinkedHashMap.compute()
方法的具体详情如下:
包路径:java.util.LinkedHashMap
类名称:LinkedHashMap
方法名:compute
暂无
代码示例来源:origin: com.ca.apim.gateway/gateway-export-plugin
@Override
public synchronized Object compute(Object key, BiFunction<? super Object, ? super Object, ?> remappingFunction) {
return propertyMap.compute(key, remappingFunction);
}
代码示例来源:origin: org.jooq/jool
private static <T, X> Collector<T, ?, X> mode0(Function<? super Seq<Tuple2<T, Long>>, ? extends X> transformer) {
return Collector.of(
() -> new LinkedHashMap<T, Long>(),
(m, v) -> m.compute(v, (k1, v1) -> v1 == null ? 1L : v1 + 1L),
(m1, m2) -> {
m1.putAll(m2);
return m1;
},
m -> Seq.seq(m).transform(transformer)
);
}
代码示例来源:origin: opencb/opencga
private void addVariant(Variant variant, String chromosome, long slicePos) {
List<Variant> list;
TreeMap<Long, List<Variant>> positionMap = bufferTree.compute(chromosome,
(s, map) -> map == null ? new TreeMap<>(Long::compareTo) : map);
list = positionMap.compute(slicePos, (pos, variants) -> variants == null ? new LinkedList<>() : variants);
if (list.isEmpty()) {
// New list, new slice
numSlices++;
}
list.add(variant);
if (currentChromosome == null) {
// Set first chromosome
currentChromosome = chromosome;
}
}
代码示例来源:origin: org.jooq/jool-java-8
private static <T, X> Collector<T, ?, X> mode0(Function<? super Seq<Tuple2<T, Long>>, ? extends X> transformer) {
return Collector.of(
() -> new LinkedHashMap<T, Long>(),
(m, v) -> m.compute(v, (k1, v1) -> v1 == null ? 1L : v1 + 1L),
(m1, m2) -> {
m1.putAll(m2);
return m1;
},
m -> Seq.seq(m).transform(transformer)
);
}
代码示例来源:origin: org.jooq/jool-java-8
/**
* Get a {@link Collector} that calculates the <code>MODE()</code> function.
*/
public static <T, U> Collector<T, ?, Seq<T>> modeAllBy(Function<? super T, ? extends U> function) {
return Collector.of(
() -> new LinkedHashMap<U, List<T>>(),
(m, t) -> m.compute(function.apply(t), (k, l) -> {
List<T> result = l != null ? l : new ArrayList<>();
result.add(t);
return result;
}),
(m1, m2) -> {
for (Entry<U, List<T>> e : m2.entrySet()) {
List<T> l = m1.get(e.getKey());
if (l == null)
m1.put(e.getKey(), e.getValue());
else
l.addAll(e.getValue());
}
return m1;
},
m -> Seq.seq(m).maxAllBy(t -> t.v2.size()).flatMap(t -> Seq.seq(t.v2))
);
}
代码示例来源:origin: org.jooq/jool
/**
* Get a {@link Collector} that calculates the <code>MODE()</code> function.
*/
public static <T, U> Collector<T, ?, Seq<T>> modeAllBy(Function<? super T, ? extends U> function) {
return Collector.of(
() -> new LinkedHashMap<U, List<T>>(),
(m, t) -> m.compute(function.apply(t), (k, l) -> {
List<T> result = l != null ? l : new ArrayList<>();
result.add(t);
return result;
}),
(m1, m2) -> {
for (Entry<U, List<T>> e : m2.entrySet()) {
List<T> l = m1.get(e.getKey());
if (l == null)
m1.put(e.getKey(), e.getValue());
else
l.addAll(e.getValue());
}
return m1;
},
m -> Seq.seq(m).maxAllBy(t -> t.v2.size()).flatMap(t -> Seq.seq(t.v2))
);
}
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