Example usage for org.apache.commons.collections.functors NotNullPredicate INSTANCE

Introduction

In this page you can find the example usage for org.apache.commons.collections.functors NotNullPredicate INSTANCE.

Prototype

Predicate INSTANCE

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Document

Singleton predicate instance

Usage

From source file:info.magnolia.beanmerger.BeanMergerBase.java

@Override
public Object merge(List sources) {
    CollectionUtils.filter(sources, NotNullPredicate.INSTANCE);
    if (sources.isEmpty()) {
        return null;
    }//from  w ww . ja  va 2 s  .  c o  m

    if (sources.size() == 1 || isSimpleType(sources.get(0).getClass())) {
        return sources.get(0);
    }

    if (sources.get(0) instanceof Collection) {
        return mergeCollections(sources);
    }

    if (sources.get(0) instanceof Map) {
        return mergeMaps(sources);
    }

    return mergeBean(sources);
}

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From source file:com.anrisoftware.sscontrol.profile.service.ProfilePropertiesImpl.java

@SuppressWarnings("unchecked")
ProfilePropertiesImpl() {/*w  w  w  .  j  a  v  a2 s.  c  om*/
    this.properties = decorate(new HashMap<String, Object>(), NotNullPredicate.INSTANCE,
            NotNullPredicate.INSTANCE);
}

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From source file:org.apache.flink.streaming.runtime.tasks.StreamTask.java

@Override
public void triggerCheckpoint(long checkpointId, long timestamp) throws Exception {

    LOG.debug("Starting checkpoint {} on task {}", checkpointId, getName());

    synchronized (checkpointLock) {
        if (isRunning) {
            try {
                // We wrap the states of the chained operators in a list, marking non-stateful operators with null
                List<Tuple2<StateHandle<Serializable>, Map<String, OperatorStateHandle>>> chainedStates = new ArrayList<Tuple2<StateHandle<Serializable>, Map<String, OperatorStateHandle>>>();

                // A wrapper handle is created for the List of statehandles
                WrapperStateHandle stateHandle;
                try {

                    // We construct a list of states for chained tasks
                    for (StreamOperator<?> chainedOperator : outputHandler.getChainedOperators()) {
                        if (chainedOperator instanceof StatefulStreamOperator) {
                            chainedStates.add(((StatefulStreamOperator<?>) chainedOperator)
                                    .getStateSnapshotFromFunction(checkpointId, timestamp));
                        } else {
                            chainedStates.add(null);
                        }//from   www . java2  s . c om
                    }

                    stateHandle = CollectionUtils.exists(chainedStates, NotNullPredicate.INSTANCE)
                            ? new WrapperStateHandle(chainedStates)
                            : null;
                } catch (Exception e) {
                    throw new Exception("Error while drawing snapshot of the user state.", e);
                }

                // now emit the checkpoint barriers
                outputHandler.broadcastBarrier(checkpointId, timestamp);

                // now confirm the checkpoint
                if (stateHandle == null) {
                    getEnvironment().acknowledgeCheckpoint(checkpointId);
                } else {
                    getEnvironment().acknowledgeCheckpoint(checkpointId, stateHandle);
                }
            } catch (Exception e) {
                if (isRunning) {
                    throw e;
                }
            }
        }
    }
}

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From source file:org.robotframework.javalib.factory.CompositeKeywordFactory.java

private static List createUniqueListThatDoesntAcceptNullValues() {
    List list = new ArrayList();
    list = SetUniqueList.decorate(list);
    list = PredicatedList.decorate(list, NotNullPredicate.INSTANCE);
    return list;//from  w  ww . j a  v a2s. co  m
}

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From source file:org.robotframework.javalib.keyword.KeywordMap.java

public KeywordMap() {
    map = new HashedMap();
    map = PredicatedMap.decorate(map, UniquePredicate.getInstance(), TruePredicate.INSTANCE);
    map = PredicatedMap.decorate(map, NotNullPredicate.INSTANCE, NotNullPredicate.INSTANCE);
}

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From source file:org.sipfoundry.sipxconfig.bulk.ldap.AttrMap.java

/**
 * Returns non null LDAP attributes. Used to limit search results.
 *//*from  w ww  .  j a v  a 2s. c om*/
public Collection<String> getLdapAttributes() {
    Collection<String> attrs = new ArrayList<String>(m_user2ldap.values());
    CollectionUtils.filter(attrs, NotNullPredicate.INSTANCE);
    return attrs;
}

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