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:org.springframework.nanotrader.account.AccountProfile.java

public boolean equals(Object o) {
    if (o == null) {
        return false;
    }//from  w w w  .  j  a  v a 2 s  .co m

    if (!(o instanceof AccountProfile)) {
        return false;
    }
    return o.hashCode() == hashCode();
}

From source file:ObjectUtils.java

/**
 * Return as hash code for the given object; typically the value of
 * <code>{@link Object#hashCode()}</code>. If the object is an array,
 * this method will delegate to any of the <code>nullSafeHashCode</code>
 * methods for arrays in this class. If the object is <code>null</code>,
 * this method returns 0.//from  ww w . j av  a2s . co  m
 * @see #nullSafeHashCode(Object[])
 * @see #nullSafeHashCode(boolean[])
 * @see #nullSafeHashCode(byte[])
 * @see #nullSafeHashCode(char[])
 * @see #nullSafeHashCode(double[])
 * @see #nullSafeHashCode(float[])
 * @see #nullSafeHashCode(int[])
 * @see #nullSafeHashCode(long[])
 * @see #nullSafeHashCode(short[])
 */
public static int nullSafeHashCode(Object obj) {
    if (obj == null) {
        return 0;
    }
    if (obj instanceof Object[]) {
        return nullSafeHashCode((Object[]) obj);
    }
    if (obj instanceof boolean[]) {
        return nullSafeHashCode((boolean[]) obj);
    }
    if (obj instanceof byte[]) {
        return nullSafeHashCode((byte[]) obj);
    }
    if (obj instanceof char[]) {
        return nullSafeHashCode((char[]) obj);
    }
    if (obj instanceof double[]) {
        return nullSafeHashCode((double[]) obj);
    }
    if (obj instanceof float[]) {
        return nullSafeHashCode((float[]) obj);
    }
    if (obj instanceof int[]) {
        return nullSafeHashCode((int[]) obj);
    }
    if (obj instanceof long[]) {
        return nullSafeHashCode((long[]) obj);
    }
    if (obj instanceof short[]) {
        return nullSafeHashCode((short[]) obj);
    }
    return obj.hashCode();
}

From source file:com.edmunds.etm.management.api.ManagementVips.java

@Override
public boolean equals(Object o) {
    if (this == o) {
        return true;
    }/*from  w w  w. ja v a2s  . c o m*/

    // Optimize using the hashCode.
    if (o == null || getClass() != o.getClass() || hashCode != o.hashCode()) {
        return false;
    }
    ManagementVips other = (ManagementVips) o;

    return new EqualsBuilder().append(vipsByMavenModule, other.vipsByMavenModule).isEquals();
}

From source file:IntMap.java

/**
 * Puts a new value in the property table with the appropriate flags
 *///from  ww w .jav a  2 s.co  m
public int put(Object key, int value) {
    int mask = _mask;
    int hash = key.hashCode() % mask & mask;

    Object[] keys = _keys;

    while (true) {
        Object testKey = keys[hash];

        if (testKey == null || testKey == DELETED) {
            keys[hash] = key;
            _values[hash] = value;

            _size++;

            if (keys.length <= 4 * _size)
                resize(4 * keys.length);

            return NULL;
        } else if (key != testKey && !key.equals(testKey)) {
            hash = (hash + 1) % mask;

            continue;
        } else {
            int old = _values[hash];

            _values[hash] = value;

            return old;
        }
    }
}

From source file:org.malaguna.cmdit.service.reflection.ReflectionUtils.java

@Override
public boolean evaluate(Object obj) {
    return obj.hashCode() == hash;
}

From source file:org.projectforge.model.rest.TaskObject.java

/**
 * @see Object#equals(Object)/* ww w .j  a va 2s.co  m*/
 */
@Override
public boolean equals(final Object obj) {
    if (obj instanceof TaskObject == false) {
        return false;
    }
    return this.hashCode() == obj.hashCode();
}

From source file:org.rifidi.designer.entities.grouping.EntityGroup.java

@Override
public boolean equals(final Object obj) {
    if (obj instanceof EntityGroup) {
        return obj.hashCode() == hashCode();
    }/*from w w  w  .ja va2  s  .co  m*/
    return false;
}

From source file:de.dal33t.powerfolder.util.collection.CompositeSet.java

/**
 * @see Set#hashCode//from w w  w. ja  va 2  s  .c  o  m
 */
public int hashCode() {
    int code = 0;
    for (Iterator i = this.iterator(); i.hasNext();) {
        Object next = i.next();
        code += (next != null ? next.hashCode() : 0);
    }
    return code;
}

From source file:net.sourceforge.cobertura.metrics.model.coverage.Rate.java

/**
 * {@inheritDoc}//w  w w. j  a  v  a 2 s .co  m
 */
@Override
public boolean equals(Object obj) {

    // Check sanity
    if (obj == null) {
        return false;
    }

    // All done.
    return (obj instanceof Rate) && (hashCode() == obj.hashCode());
}

From source file:com.servioticy.queueclient.KestrelThriftClient.java

@Override
protected boolean putImpl(Object item) {
    int numKestrels = _kestrels.size();
    int kestrelIndex = Math.abs(item.hashCode()) % numKestrels;
    KestrelClientInfo info;//  w  ww. ja va  2  s .  c  om
    long now = System.currentTimeMillis();
    for (int i = 0; i < numKestrels; i++) {
        info = _kestrels.get((kestrelIndex + i) % numKestrels);
        if (now > info.blacklistTillTimeMs) {
            List<ByteBuffer> items = new ArrayList<ByteBuffer>();
            items.add(ByteBuffer.wrap(serialize(item)));
            try {
                if (item instanceof String) {
                    info.getValidClient().put(getRelativeAddress(), (String) item, 0);
                    return true;
                } else if (info.getValidClient().put(getRelativeAddress(), items, 0) == 1) {
                    return true;
                }
            } catch (TException e) {
                blacklist(info, e);
                continue;
            }
        }
    }
    return false;
}