Example usage for org.apache.commons.collections.iterators FilterIterator FilterIterator

Introduction

In this page you can find the example usage for org.apache.commons.collections.iterators FilterIterator FilterIterator.

Prototype

public FilterIterator(Iterator iterator, Predicate predicate) 

Source Link

Document

Constructs a new FilterIterator that will use the given iterator and predicate.

Usage

From source file:com.newlandframework.avatarmq.consumer.ConsumerContext.java

public static int getClustersStat(String clusters) {

    Predicate predicate = new Predicate() {
        public boolean evaluate(Object object) {
            String clustersId = ((ClustersState) object).getClusters();
            return clustersId.compareTo(clusters) == 0;
        }//from  w  w  w  .j av a2  s  .co  m
    };

    Iterator iterator = new FilterIterator(stateArray.iterator(), predicate);

    ClustersState state = null;
    while (iterator.hasNext()) {
        state = (ClustersState) iterator.next();
        break;

    }
    return (state != null) ? state.getState() : 0;
}

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From source file:edu.umd.cfar.lamp.viper.util.CropIteratorUtility.java

public Iterator getIterator(Iterator iter) {
    return new TransformIterator(new FilterIterator(iter, pred), trans);
}

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From source file:com.newlandframework.avatarmq.consumer.ConsumerContext.java

public static ConsumerClusters selectByClusters(String clusters) {
    Predicate predicate = new Predicate() {
        public boolean evaluate(Object object) {
            String id = ((ClustersRelation) object).getId();
            return id.compareTo(clusters) == 0;
        }//from w w  w  . j  a va  2 s  .  com
    };

    Iterator iterator = new FilterIterator(relationArray.iterator(), predicate);

    ClustersRelation relation = null;
    while (iterator.hasNext()) {
        relation = (ClustersRelation) iterator.next();
        break;
    }

    return (relation != null) ? relation.getClusters() : null;
}

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From source file:com.sworddance.util.NotNullIterator.java

@Override
protected void setIterator(Object iterator) {
    Iterator<?> iter = extractIterator(iterator);
    TransformIterator transformIterator = new TransformIterator(iter, ReferenceTransformer.INSTANCE);
    super.setIterator(new FilterIterator(transformIterator, NotNullKeyValuePredicate.INSTANCE));
}

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From source file:flex2.compiler.mxml.rep.Array.java

/**
 * Note that we do *not* filter out bindings for element initializers.
 *///  w w  w  .j  a v  a  2  s . co m
@SuppressWarnings("unchecked")
public final Iterator<ArrayElementInitializer> getElementInitializerIterator() {
    return new FilterIterator(list.iterator(), new Predicate() {
        public boolean evaluate(Object object) {
            return (!(((ArrayElementInitializer) object).getValue() instanceof Reparent));
        }
    });
}

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From source file:flex2.compiler.mxml.gen.DescriptorGenerator.java

/**
 *
 *//*from w w w.j a v  a2  s. c  o  m*/
private static void addDescriptorProperties(CodeFragmentList list, Model model,
        final Set<String> includePropNames, boolean includeDesignLayer, String indent) {
    //  ordinary properties
    Iterator propIter = includePropNames == null ? model.getPropertyInitializerIterator(false)
            : new FilterIterator(model.getPropertyInitializerIterator(false), new Predicate() {
                public boolean evaluate(Object obj) {
                    return includePropNames.contains(((NamedInitializer) obj).getName());
                }
            });

    //  visual children
    Iterator vcIter = (model instanceof MovieClip && ((MovieClip) model).hasChildren())
            ? ((MovieClip) model).children().iterator()
            : Collections.EMPTY_LIST.iterator();

    // designLayer ?
    Boolean hasDesignLayer = (includeDesignLayer && (model.layerParent != null)
            && model.getType().isAssignableTo(model.getStandardDefs().INTERFACE_IVISUALELEMENT));

    if (propIter.hasNext() || vcIter.hasNext() || hasDesignLayer) {
        if (!list.isEmpty()) {
            list.add(indent, ",", 0);
        }

        list.add(indent, "propertiesFactory: function():Object { return {", 0);
        indent += DescriptorGenerator.INDENT;

        while (propIter.hasNext()) {
            NamedInitializer init = (NamedInitializer) propIter.next();
            if (!init.isStateSpecific()) {
                list.add(indent, init.getName(), ": ", init.getValueExpr(),
                        (propIter.hasNext() || vcIter.hasNext() || hasDesignLayer ? "," : ""),
                        init.getLineRef());
            }
        }

        if (hasDesignLayer) {
            list.add(indent, "designLayer", ": ", model.layerParent.getId(), (vcIter.hasNext() ? "," : ""),
                    model.getXmlLineNumber());
        }

        if (vcIter.hasNext()) {
            list.add(indent, "childDescriptors: [", 0);

            // Generate each child descriptor unless the child as explicitly filtered out.
            boolean isFirst = true;
            while (vcIter.hasNext()) {
                VisualChildInitializer init = (VisualChildInitializer) vcIter.next();
                Model child = (MovieClip) init.getValue();
                if (child.isDescriptorInit()) {
                    if (!isFirst) {
                        list.add(indent, ",", 0);
                    }

                    addDescriptorInitializerFragments(list, child, indent + DescriptorGenerator.INDENT);
                    isFirst = false;
                }

            }

            list.add(indent, "]", 0);
        }

        indent = indent.substring(0, indent.length() - INDENT.length());
        list.add(indent, "}}", 0);
    }
}

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From source file:mondrian.rolap.RolapMeasureGroup.java

/**
 * Finds out non-joining dimensions for this measure group.
 *
 * <p>The result preserves the order in {@code otherDims}.</p>
 *
 * @param otherDims Collection of dimensions to be tested for existence in
 *                  this measure group//from   w  w w . j a v  a  2 s.c  o  m
 * @return Set of dimensions that do not exist (non joining) in this cube
 */
public Iterable<RolapCubeDimension> nonJoiningDimensions(
        final Iterable<? extends RolapCubeDimension> otherDims) {
    return new Iterable<RolapCubeDimension>() {
        public Iterator<RolapCubeDimension> iterator() {
            //noinspection unchecked
            return (Iterator<RolapCubeDimension>) new FilterIterator(otherDims.iterator(),
                    new Util.Predicate1<RolapCubeDimension>() {
                        public boolean test(RolapCubeDimension dimension) {
                            return !dimensionMap3.containsKey(dimension) && !dimension.isMeasures();
                        }
                    });
        }
    };
}

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From source file:io.wcm.config.core.persistence.impl.ToolsConfigPagePersistenceProvider.java

@SuppressWarnings("unchecked")
private Iterator<String> findConfigRefs(Resource startResource) {
    // collect all context path resources without config ref, and expand to config page path
    Iterator<ContextResource> contextResources = contextPathStrategy.findContextResources(startResource);
    return new FilterIterator(new TransformIterator(contextResources, new Transformer() {
        @Override// w  w w  . ja  v a  2  s . com
        public Object transform(Object input) {
            ContextResource contextResource = (ContextResource) input;
            if (contextResource.getConfigRef() == null) {
                String configPath = getConfigPagePath(contextResource.getResource().getPath());
                log.trace("+ Found reference for context path {}: {}", contextResource.getResource().getPath(),
                        configPath);
                return configPath;
            }
            return null;
        }
    }), PredicateUtils.notNullPredicate());
}

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From source file:io.wcm.caconfig.extensions.persistence.impl.ToolsConfigPagePersistenceStrategy.java

/**
 * Searches the resource hierarchy upwards for all config references and returns them.
 *//*from www . j  a v a2  s.  co m*/
@SuppressWarnings("unchecked")
private Iterator<String> findConfigRefs(@NotNull final Resource startResource,
        @NotNull final Collection<String> bucketNames) {

    // collect all context path resources (but filter out those without config reference)
    final Iterator<ContextResource> contextResources = new FilterIterator(
            contextPathStrategy.findContextResources(startResource), new Predicate() {
                @Override
                public boolean evaluate(Object object) {
                    ContextResource contextResource = (ContextResource) object;
                    return StringUtils.isNotBlank(contextResource.getConfigRef());
                }
            });

    // get config resource path for each context resource, filter out items where not reference could be resolved
    final Iterator<String> configPaths = new TransformIterator(contextResources, new Transformer() {
        @Override
        public Object transform(Object input) {
            final ContextResource contextResource = (ContextResource) input;
            String val = checkPath(contextResource, contextResource.getConfigRef(), bucketNames);
            if (val != null) {
                log.trace("+ Found reference for context path {}: {}", contextResource.getResource().getPath(),
                        val);
            }
            return val;
        }
    });
    return new FilterIterator(configPaths, PredicateUtils.notNullPredicate());
}

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From source file:io.wcm.config.core.persistence.impl.ToolsConfigPagePersistenceProvider.java

@Override
@SuppressWarnings("unchecked")
public Resource getResource(Iterator<Resource> configResources) {
    if (!config.enabled() || !configResources.hasNext()) {
        return null;
    }/*  w  w  w. j ava 2 s. co m*/

    Iterator<Resource> configPageResources = new FilterIterator(configResources, new Predicate() {
        @Override
        public boolean evaluate(Object object) {
            Resource resource = (Resource) object;
            return isConfigPagePath(resource.getPath());
        }
    });

    return getInheritedResourceInternal(configPageResources);
}

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