Example usage for java.lang Object hashCode

Introduction

In this page you can find the example usage for java.lang Object hashCode.

Prototype

@HotSpotIntrinsicCandidate
public native int hashCode();

Source Link

Document

Returns a hash code value for the object.

Usage

From source file:mondrian.olap.Util.java

/**
 * Computes a hash code from an existing hash code and an object (which
 * may be null)./*from  www.j ava 2  s . c  o m*/
 */
public static int hash(int h, Object o) {
    int k = (o == null) ? 0 : o.hashCode();
    return ((h << 4) | h) ^ k;
}

From source file:com.kodemore.utility.Kmu.java

/**
 * Determine the hash code of an object, return 0 if null.
 *///from w w w .  j av  a2s. c om
public static int getHashCode(Object e) {
    if (e == null)
        return 0;

    return e.hashCode();
}

From source file:org.apache.axis2.context.MessageContext.java

/**
 * Set up a unique key in the form of/*  ww  w .ja  va2  s  .  c o m*/
 * <OL>
 * <LI>the class name for the class that owns the key
 * <LI>delimitor
 * <LI>the key as a string
 * <LI>delimitor
 * <LI>the key's hash code as a string
 * </OL>
 *
 * @param clazz The class that owns the supplied key
 * @param key   The key
 * @return A string key
 */
private String generateSelfManagedDataKey(Class clazz, Object key) {
    return clazz.getName() + selfManagedDataDelimiter + key.toString() + selfManagedDataDelimiter
            + Integer.toString(key.hashCode());
}

From source file:org.infoglue.deliver.util.CacheController.java

public static void cacheObject(String cacheName, Object key, Object value) {
    if (cacheName == null || key == null || value == null)
        return;/*from w  w w. j  ava2s  .c om*/

    //synchronized(caches)
    //{
    if (caches.get(cacheName) == null)
        caches.put(cacheName, new HashMap());
    //}

    //synchronized(caches)
    //{
    Map cacheInstance = (Map) caches.get(cacheName);
    if (cacheInstance != null && key != null && value != null) {
        if (CmsPropertyHandler.getUseSynchronizationOnCaches()) {
            synchronized (cacheInstance) {
                if (CmsPropertyHandler.getUseHashCodeInCaches())
                    cacheInstance.put("" + key.hashCode(), value);
                else
                    cacheInstance.put(key, value);
            }
        } else {
            if (CmsPropertyHandler.getUseHashCodeInCaches())
                cacheInstance.put("" + key.hashCode(), value);
            else
                cacheInstance.put(key, value);
        }
    }
    //}
}

From source file:org.infoglue.deliver.util.CacheController.java

public static Object getCachedObject(String cacheName, Object key) {
    if (cacheName == null || key == null)
        return null;

    if (getDefeatCaches() != null && getDefeatCaches().getDefeatCache("" + cacheName + "_" + key)) {
        if (!cacheName.equals("serverNodePropertiesCache") && !cacheName.equals("contentTypeDefinitionCache")) {
            if (logger.isInfoEnabled()) {
                logger.info("Missed cache: " + cacheName + " because of defeat caches. Cache.key: " + key);
            }/*from  ww w .  j a v a  2 s . c o  m*/
            return null;
        }
    }

    //synchronized(caches)
    //{
    Map cacheInstance = (Map) caches.get(cacheName);
    if (cacheInstance != null) {
        //TODO
        if (CmsPropertyHandler.getUseSynchronizationOnCaches()) {
            synchronized (cacheInstance) {
                if (CmsPropertyHandler.getUseHashCodeInCaches())
                    return cacheInstance.get("" + key.hashCode());
                else
                    return cacheInstance.get(key);
            }
        } else {
            if (CmsPropertyHandler.getUseHashCodeInCaches())
                return cacheInstance.get("" + key.hashCode());
            else
                return cacheInstance.get(key);
        }
    }
    //}

    return null;
}

From source file:org.mindswap.swoop.renderer.entity.ConciseFormatEntityRenderer.java

protected void addWhy(Object obj, String title) {
    String hash = String.valueOf(obj.hashCode());
    OWLDescHash.put(hash, obj);/*from   w  ww. j a v a  2  s.c  om*/
    String titleCode = getCode(title);
    if (!imported) {
        print("&nbsp;&nbsp;(<font color=\"red\"><a href=\"<Why:" + hash + ":" + titleCode
                + "\">Why?</a></font>)");
    }
}

From source file:org.mindswap.swoop.renderer.entity.ConciseFormatEntityRenderer.java

protected void addDelete(Object obj, String title) {
    String hash = String.valueOf(obj.hashCode());
    OWLDescHash.put(hash, obj);// w w w.  j av a 2 s  .  c o  m
    String titleCode = getCode(title);
    if (!imported) {
        print("&nbsp;&nbsp;(<font color=\"red\"><a href=\"<Delete:" + hash + ":" + titleCode
                + "\">Delete</a></font>)");
    }
}

From source file:org.mindswap.swoop.renderer.entity.ConciseFormatEntityRenderer.java

protected void addUndo(Object obj, String type, String title) {
    String hash = String.valueOf(obj.hashCode());
    OWLDescHash.put(hash, obj);//  w w  w  . j a v  a 2 s  .c  o m
    String titleCode = getCode(title);
    print("&nbsp;&nbsp;(<font color=\"red\"><a href=\"<Undo:" + type + ":" + hash + ":" + titleCode
            + "\">Undo</a></font>)");
}

From source file:org.regenstrief.util.Util.java

/**
 * Retrieves the hash code of the given Object
 * //from  ww  w . j  a v a 2 s  .  com
 * @param o the Object
 * @return the hash code
 **/
public final static int hashCode(final Object o) {
    return o == null ? 0 : o.hashCode();
}

From source file:edu.ku.brc.af.ui.forms.FormViewObj.java

/**
 * @param oldDO//  w  w  w.j av  a2s . co m
 * @param newDO
 */
protected void replaceDataObjInList(final Object oldDO, final Object newDO) {
    //if (oldDO != null && newDO != null)
    //{
    //    log.debug("Replacing "+oldDO.getClass().getSimpleName()+" "+oldDO.hashCode()+" with "+newDO.getClass().getSimpleName()+" "+newDO.hashCode());
    //}
    if (list != null) {
        int index = list.indexOf(oldDO);
        if (index > -1) {
            list.remove(oldDO);
            if (oldDO != null) {
                log.error(
                        "Removed " + oldDO.getClass().getSimpleName() + " " + oldDO.hashCode() + " from list.");
            }
            list.insertElementAt(newDO, index);
            log.error("list length: " + list.size() + "    inx: " + index);
        } else {
            if (oldDO != null) {
                log.error("************ " + oldDO.getClass().getSimpleName() + " " + oldDO.hashCode()
                        + " couldn't be found in list.");
            }
        }
    }
}