Java Sets类代码示例

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
/**
 * 解析词条拼音
 * 
 * @param word
 * @return
 */
public static Set<String> getPinYin_Index(String word) {
    Set<String> results = Sets.newHashSet();
    List<String> words = AnalyzeHelper.analyze(word);
    if (!words.contains(word)) {
        words.add(word);
    }

    String pinYin;
    for (String w : words) {
        pinYin = getPinYin(w);
        if (StringUtils.isNotEmpty(pinYin)) {
            results.add(pinYin);
        }
    }
    return results;
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
/**
 * 解析词条拼音首字母
 * 
 * @param word
 * @return
 */
public static Set<String> getPinYinPrefix_Index(String word) {
    Set<String> results = Sets.newHashSet();
    List<String> words = AnalyzeHelper.analyze(word);
    if (!words.contains(word)) {
        words.add(word);
    }

    String prefixPinYin;
    for (String w : words) {
        prefixPinYin = getPinYinPrefix(w);
        if (StringUtils.isNotEmpty(prefixPinYin)) {
            results.add(prefixPinYin);
        }
    }
    return results;
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
/**
 * Retrieves the current indexes and types from elasticsearch
 * @return a set containing the indexes available in the elasticsearch cluster and their types
 */
protected Set<Index> getIndexes() {
    ClusterStateResponse response = unwrapShellNativeClient().client().admin().cluster().prepareState().setFilterBlocks(true)
            .setFilterRoutingTable(true).setFilterNodes(true).execute().actionGet();

    Set<Index> newIndexes = new HashSet<Index>();
    for (IndexMetaData indexMetaData : response.getState().metaData().indices().values()) {
        logger.trace("Processing index {}", indexMetaData.index());

        Set<String> typeNames = Sets.filter(indexMetaData.mappings().keySet(), new Predicate<String>() {
            @Override
            public boolean apply(String s) {
                return !MapperService.DEFAULT_MAPPING.equals(s);
            }
        });
        String[] types = typeNames.toArray(new String[typeNames.size()]);

        newIndexes.add(new Index(indexMetaData.index(), false, types));

        for (String alias : indexMetaData.aliases().keySet()) {
            newIndexes.add(new Index(alias, true, types));
        }
    }
    return newIndexes;
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
protected Collection<StandardNumber> getStdNums() {
    if (stdnums.get() == null) {
        String[] s = settings.getAsArray("number_types", null);
        Set<String> types = s != null ? Sets.newTreeSet(Arrays.asList(s)) : null;
        Set<StandardNumber> set = Sets.newLinkedHashSet();
        set.addAll(types == null ? create() : create(types));
        stdnums.set(set);
    }
    return stdnums.get();
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
@Test
public void testCustomFromJson() throws Exception {

    Index index = new Index("test");
    Settings settings = ImmutableSettings.settingsBuilder()
            .put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT)
            .loadFromClasspath("org/xbib/elasticsearch/index/analysis/icu/icu_collation.json").build();
    AnalysisService analysisService = createAnalysisService(index, settings);
    Analyzer analyzer = analysisService.analyzer("icu_german_collate").analyzer();

    String[] words = new String[]{
            "Göbel",
            "Goethe",
            "Goldmann",
            "Göthe",
            "Götz"
    };

    SetMultimap<BytesRef,String> bytesRefMap =
            Multimaps.newSetMultimap(new TreeMap<BytesRef, Collection<String>>(), new Supplier<Set<String>>() {
                @Override
                public Set<String> get() {
                    return Sets.newTreeSet();
                }
            });

    for (String s : words) {
        TokenStream ts = analyzer.tokenStream(null, s);
        bytesRefMap.put(bytesFromTokenStream(ts), s);
    }
    Iterator<Collection<String>> it =  bytesRefMap.asMap().values().iterator();
    assertEquals("[Göbel]",it.next().toString());
    assertEquals("[Goethe, Göthe]",it.next().toString());
    assertEquals("[Götz]",it.next().toString());
    assertEquals("[Goldmann]",it.next().toString());
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
@Test
public void testFromJson() throws Exception {
    Settings settings = ImmutableSettings.settingsBuilder()
            .put(IndexMetaData.SETTING_VERSION_CREATED, org.elasticsearch.Version.CURRENT)
            .loadFromClasspath("org/xbib/elasticsearch/index/analysis/sortform/sortform.json").build();
    AnalysisService analysisService = createAnalysisService(settings);
    Analyzer analyzer = analysisService.analyzer("german_phonebook_with_sortform").analyzer();

    String[] words = new String[]{
            "¬Frau¬ Göbel",
            "Goethe",
            "¬Dr.¬ Goldmann",
            "Göthe",
            "¬Herr¬ Götz",
            "Groß",
            "Gross"
    };

    SetMultimap<BytesRef,String> bytesRefMap =
            Multimaps.newSetMultimap(new TreeMap<BytesRef, Collection<String>>(), new Supplier<Set<String>>() {
                @Override
                public Set<String> get() {
                    return Sets.newTreeSet();
                }
            });
    for (String s : words) {
        TokenStream ts = analyzer.tokenStream(null, s);
        bytesRefMap.put(bytesFromTokenStream(ts), s);
    }
    // strength "quaternary" orders without punctuation and ensures unique entries.
    Iterator<Collection<String>> it = bytesRefMap.asMap().values().iterator();
    assertEquals("[¬Frau¬ Göbel]",it.next().toString());
    assertEquals("[Goethe]",it.next().toString());
    assertEquals("[Göthe]",it.next().toString());
    assertEquals("[¬Herr¬ Götz]",it.next().toString());
    assertEquals("[¬Dr.¬ Goldmann]",it.next().toString());
    assertEquals("[Gross]",it.next().toString());
    assertEquals("[Groß]",it.next().toString());
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
@Override
public QueryBuilderHelper facets() {
    Set<String> aggIds = Sets.newHashSet();
    for (Class<?> clazz : classes) {
        if (filters == null) {
            addAggregations(new HashMap(), clazz.getName(), searchRequestBuilder, aggIds);
        } else {
            addAggregations(filters, clazz.getName(), searchRequestBuilder, aggIds);
        }
    }
    return this;
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
@Test
public void testPropertyInfoWithTxn() throws StoreException {
    CompletionTime ct1 = new CompletionTime();
    ct1.setTransaction("trace1");
    ct1.setTimestamp(1000);
    ct1.getProperties().add(new Property(Constants.PROP_PRINCIPAL, "p1"));
    ct1.getProperties().add(new Property("prop1", "value1"));
    ct1.getProperties().add(new Property("prop2", "value2"));

    CompletionTime ct2 = new CompletionTime();
    ct2.setTransaction("trace1");
    ct2.setTimestamp(2000);
    ct2.getProperties().add(new Property(Constants.PROP_PRINCIPAL, "p2"));
    ct2.getProperties().add(new Property("prop3", "value3"));
    ct2.getProperties().add(new Property("prop2", "value2"));

    analytics.storeTraceCompletions(null,  Arrays.asList(ct1, ct2));

    Criteria criteria = new Criteria()
        .setTransaction("trace1")
        .setStartTime(1)
        .setEndTime(0);

    Wait.until(() -> analytics.getPropertyInfo(null, criteria).size() == 4);
    java.util.List<PropertyInfo> pis = analytics.getPropertyInfo(null, criteria);

    assertNotNull(pis);
    assertEquals(4, pis.size());
    assertEquals(Sets.newHashSet("prop1", "prop2", "prop3", Constants.PROP_PRINCIPAL),
            pis.stream().map(pi -> pi.getName()).collect(Collectors.toSet()));

    Criteria criteria2 =new Criteria()
        .setTransaction("trace1")
        .addProperty(Constants.PROP_PRINCIPAL, "p1", Operator.HAS)
        .setStartTime(1)
        .setEndTime(0);

    Wait.until(() -> analytics.getPropertyInfo(null, criteria2).size() == 3);
    pis = analytics.getPropertyInfo(null, criteria2);

    assertNotNull(pis);
    assertEquals(3, pis.size());
    assertEquals(Sets.newHashSet("prop1", "prop2", Constants.PROP_PRINCIPAL),
            pis.stream().map(pi -> pi.getName()).collect(Collectors.toSet()));
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
public void setTriggerFunctions(Collection<String> triggerFunctions) {
    this.triggerFunctions = (triggerFunctions instanceof Set)
            ? (Set)triggerFunctions : Sets.newHashSet(triggerFunctions);
}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
@Test
public void test_dynamodb_river() throws IOException, InterruptedException {

    String tableName = randomAsciiOfLengthBetween(10, 50).toLowerCase();
    AmazonDynamoDBClient dynamoDBClient = getDynamoClient(tableName);

    // add test items to dynamodb
    Set<String> idSet = Sets.newHashSet();
    idSet.addAll(addTestItems(dynamoDBClient, tableName, randomIntBetween(1, 50)));

    Map<String, String> dynamoDbSetting = Maps.newHashMap();
    dynamoDbSetting.put("access_key", "test");
    dynamoDbSetting.put("secret_key", "test");
    dynamoDbSetting.put("region", "http://localhost:8000");  // test use DynamoDB Local
    dynamoDbSetting.put("table_name", tableName);
    dynamoDbSetting.put("updated_timestamp_field", "updated");
    dynamoDbSetting.put("deleted_timestamp_field", "deleted");
    dynamoDbSetting.put("interval", "1s");
    dynamoDbSetting.put("bulk_size", "2");  // less bulk size so items can be indexed when doing test
    dynamoDbSetting.put("flush_interval", "1s");  // less bulk interval so items can be indexed when doing test

    XContentBuilder riverBuilder = jsonBuilder().startObject();
    riverBuilder.field("type", "dynamodb");
    riverBuilder.field("dynamodb", dynamoDbSetting);
    riverBuilder.endObject();


    client().prepareIndex("_river", "dynamodb", "_meta").setSource(riverBuilder).get();

    Thread.sleep(10000);

    client().admin().indices().prepareRefresh(tableName).get();
    long count1 = client().prepareCount(tableName).get().getCount();
    assertThat(count1, equalTo((long) idSet.size()));

    // load more test data to dynamodb
    idSet.addAll(addTestItems(dynamoDBClient, tableName, randomIntBetween(1, 50)));

    Thread.sleep(10000);

    client().admin().indices().prepareRefresh(tableName).get();
    long count2 = client().prepareCount(tableName).get().getCount();
    assertThat(count2, equalTo((long) idSet.size()));


    // test delete
    int toDelete = randomIntBetween(1, idSet.size() - 1);
    for (int i = 0; i < toDelete; i ++) {
        String id = idSet.iterator().next();
        deleteFromDynamoDB(dynamoDBClient, tableName, id);
        idSet.remove(id);
    }

    Thread.sleep(10000);

    client().admin().indices().prepareRefresh(tableName).get();
    long count3 = client().prepareCount(tableName).get().getCount();
    assertThat(count3, equalTo((long) idSet.size()));



}
 

import org.elasticsearch.common.collect.Sets; //导入依赖的package包/类
private Set<String> addTestItems(AmazonDynamoDBClient dynamoDBClient, String tableName, int size) {
    Set<String> idSet = Sets.newHashSet();
    for (int p = 0; p < size; p ++) {
        Map<String, AttributeValue> item = Maps.newHashMap();
        int fields = randomIntBetween(10, 20);
        for (int i = 0; i < fields; i ++) {
            int t = randomIntBetween(1, 4);
            switch (t){
                case 1:
                    item.put(randomAsciiOfLengthBetween(1, 10), new AttributeValue().withS(randomAsciiOfLengthBetween(1, 20)));
                    break;
                case 2:
                    item.put(randomAsciiOfLengthBetween(1, 10), new AttributeValue().withN(String.valueOf(randomInt())));
                    break;
                case 3:
                    Set<String> s = Sets.newHashSet();
                    int ss = randomIntBetween(5, 20);
                    for (int a = 0; a < ss; a ++) {
                        s.add(randomAsciiOfLengthBetween(1, 20));
                    }
                    item.put(randomAsciiOfLengthBetween(1, 10), new AttributeValue().withSS(s));
                    break;
                case 4:
                    Set<String> n = Sets.newHashSet();
                    int ns = randomIntBetween(5, 20);
                    for (int a = 0; a < ns; a ++) {
                        n.add(String.valueOf(randomIntBetween(1, 1000)));
                    }
                    item.put(randomAsciiOfLengthBetween(1, 10), new AttributeValue().withNS(n));
                    break;
            }
        }
        String id = randomAsciiOfLengthBetween(1, 50);
        idSet.add(id);
        item.put("id", new AttributeValue().withS(id));
        item.put("updated", new AttributeValue().withN(String.valueOf(new Date().getTime())));
        PutItemRequest putItemRequest = new PutItemRequest()
                .withTableName(tableName)
                .withItem(item);
        dynamoDBClient.putItem(putItemRequest);
    }
    return idSet;
}