Example usage for java.util IdentityHashMap get

Introduction

In this page you can find the example usage for java.util IdentityHashMap get.

Prototype

@SuppressWarnings("unchecked")
public V get(Object key)

Source Link

Document

Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    IdentityHashMap<Object, Object> objMap = new IdentityHashMap<Object, Object>();

    Object o1 = new Integer(123);
    Object o2 = new Integer(123);
    objMap.put(o1, "first");
    objMap.put(o2, "from java2s.com");

    Object v1 = objMap.get(o1);
    System.out.println(v1);/*from  w w  w.  j  a v  a  2  s. c om*/
    Object v2 = objMap.get(o2);
    System.out.println(v2);

    // create a set view
    Set<Object> nset = objMap.keySet();

    System.out.println("Set view is: " + nset);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    IdentityHashMap<Object, Object> objMap = new IdentityHashMap<Object, Object>();

    Object o1 = new Integer(123);
    Object o2 = new Integer(123);
    objMap.put(o1, "first");
    objMap.put(o2, "from java2s.com");

    Object v1 = objMap.get(o1);
    System.out.println(v1);/*ww w.ja  va 2 s . c o m*/
    Object v2 = objMap.get(o2);
    System.out.println(v2);

    // create entry set from the map
    Set<Entry<Object, Object>> enset = objMap.entrySet();

    System.out.println("Set view of the map: " + enset);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    IdentityHashMap<Object, Object> objMap = new IdentityHashMap<Object, Object>();

    Object o1 = new Integer(123);
    Object o2 = new Integer(123);
    objMap.put(o1, "first");
    objMap.put(o2, "from java2s.com");

    Object v1 = objMap.get(o1);
    System.out.println(v1);/*from   w w  w . j  a  va 2  s .c o m*/
    Object v2 = objMap.get(o2);
    System.out.println(v2);

    // clone the map
    IdentityHashMap ihmapclone = (IdentityHashMap) objMap.clone();

    System.out.println("Cloned map content: " + ihmapclone);

}

From source file:com.google.gerrit.server.project.SectionSortCache.java

private static boolean isIdentityTransform(List<AccessSection> sections,
        IdentityHashMap<AccessSection, Integer> srcMap) {
    for (int i = 0; i < sections.size(); i++) {
        if (i != srcMap.get(sections.get(i))) {
            return false;
        }/* w  w  w  .j ava  2s.  c o m*/
    }
    return true;
}

From source file:org.carrot2.workbench.vis.FlashViewPage.java

private static Cluster mirrorOf(Cluster c, IdentityHashMap<Document, Document> docMapping) {
    Cluster cMirror = new Cluster(c.getId(), null);
    for (Document doc : c.getDocuments()) {
        cMirror.addDocuments(docMapping.get(doc));
    }// ww w .j  av a  2 s  . c  o m
    cMirror.addPhrases(c.getPhrases());
    for (Cluster sub : c.getSubclusters()) {
        cMirror.addSubclusters(mirrorOf(sub, docMapping));
    }
    return cMirror;
}

From source file:com.netflix.config.util.ConfigurationUtils.java

/**
 * Convert CombinedConfiguration into {@link ConcurrentCompositeConfiguration} as the later has better performance
 * and thread safety. /*ww  w  .  j a v  a 2s  .co m*/
 * 
 * @param config Configuration to be converted
 */
public static ConcurrentCompositeConfiguration convertToConcurrentCompositeConfiguration(
        CombinedConfiguration config) {
    ConcurrentCompositeConfiguration root = new ConcurrentCompositeConfiguration();
    IdentityHashMap<Configuration, String> reverseMap = new IdentityHashMap<Configuration, String>();
    for (String name : (Set<String>) config.getConfigurationNames()) {
        Configuration child = config.getConfiguration(name);
        reverseMap.put(child, name);
    }
    for (int i = 0; i < config.getNumberOfConfigurations(); i++) {
        Configuration child = config.getConfiguration(i);
        String name = reverseMap.get(child);
        if (child instanceof CombinedConfiguration) {
            CombinedConfiguration combinedConf = (CombinedConfiguration) child;
            ConcurrentCompositeConfiguration newConf = convertToConcurrentCompositeConfiguration(combinedConf);
            root.addConfiguration(newConf, name);
        } else {
            Configuration conf = new ConcurrentMapConfiguration(child);
            root.addConfiguration((AbstractConfiguration) conf, name);
        }
    }
    return root;
}

From source file:com.flipkart.flux.client.runtime.LocalContext.java

public String generateEventName(Event event) {
    final IdentityHashMap<Event, String> eventNamesMap = this.eventNames.get();
    if (!eventNamesMap.containsKey(event)) {
        eventNamesMap.put(event, generateName(event));
    }// w  ww  .j av a 2 s.  c o m
    return eventNamesMap.get(event);
}

From source file:com.qrmedia.commons.persistence.hibernate.clone.wiring.AbstractPropertyModifyingCommand.java

public void execute(IdentityHashMap<Object, Object> entityClones) {

    if (!entityClones.containsKey(originalEntity)) {
        throw new AssertionError("No clone for " + originalEntity + " available?!");
    }/*w ww.j  a v a 2s. c o  m*/

    wireUpProperty(target, propertyName, entityClones.get(originalEntity));
}

From source file:com.amazon.janusgraph.diskstorage.dynamodb.DynamoDBDelegate.java

/**
 * Helper method that can clone an Attribute Value
 *
 * @param val the AttributeValue to copy
 * @param sourceDestinationMap used to avoid loops by keeping track of references
 * @return a copy of val//from w  ww. j  av a  2 s . c o m
 */
public static AttributeValue clone(AttributeValue val,
        IdentityHashMap<AttributeValue, AttributeValue> sourceDestinationMap) {
    if (val == null) {
        return null;
    }

    if (sourceDestinationMap.containsKey(val)) {
        return sourceDestinationMap.get(val);
    }

    AttributeValue clonedVal = new AttributeValue();
    sourceDestinationMap.put(val, clonedVal);
    if (val.getN() != null) {
        clonedVal.setN(val.getN());
    } else if (val.getS() != null) {
        clonedVal.setS(val.getS());
    } else if (val.getB() != null) {
        clonedVal.setB(val.getB());
    } else if (val.getNS() != null) {
        clonedVal.setNS(val.getNS());
    } else if (val.getSS() != null) {
        clonedVal.setSS(val.getSS());
    } else if (val.getBS() != null) {
        clonedVal.setBS(val.getBS());
    } else if (val.getBOOL() != null) {
        clonedVal.setBOOL(val.getBOOL());
    } else if (val.getNULL() != null) {
        clonedVal.setNULL(val.getNULL());
    } else if (val.getL() != null) {
        List<AttributeValue> list = new ArrayList<>(val.getL().size());
        for (AttributeValue listItemValue : val.getL()) {
            if (!sourceDestinationMap.containsKey(listItemValue)) {
                sourceDestinationMap.put(listItemValue, clone(listItemValue, sourceDestinationMap));
            }
            list.add(sourceDestinationMap.get(listItemValue));
        }
        clonedVal.setL(list);
    } else if (val.getM() != null) {
        Map<String, AttributeValue> map = new HashMap<>(val.getM().size());
        for (Entry<String, AttributeValue> pair : val.getM().entrySet()) {
            if (!sourceDestinationMap.containsKey(pair.getValue())) {
                sourceDestinationMap.put(pair.getValue(), clone(pair.getValue(), sourceDestinationMap));
            }
            map.put(pair.getKey(), sourceDestinationMap.get(pair.getValue()));
        }
        clonedVal.setM(map);
    }
    return clonedVal;
}

From source file:de.codesourcery.eve.skills.ui.model.impl.MarketGroupTreeModelBuilder.java

private ITreeNode getOrCreateTreeNode(MarketGroup group, IdentityHashMap<MarketGroup, ITreeNode> nodes) {
    ITreeNode result = nodes.get(group);
    if (result == null) {
        result = new DefaultTreeNode(group);
        nodes.put(group, result);/*from  w  w  w.j  av a  2 s  . co m*/
    }
    return result;
}