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

Introduction

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

Prototype

public TransformIterator(Iterator iterator, Transformer transformer)

Source Link

Document

Constructs a new TransformIterator that will use the given iterator and transformer.

Usage

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

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

From source file:com.texeltek.accumulocloudbaseshim.TransformIterable.java

public Iterator<To> iterator() {
    return new TransformIterator(from.iterator(), transformer);
}

From source file:com.texeltek.accumulocloudbaseshim.BatchScannerShim.java

public Iterator<Map.Entry<Key, Value>> iterator() {
    return new TransformIterator(new CloudbaseBatchScannerCloseableIterator(impl), new Transformer() {
        @Override/*from   www . j  a  v a  2s . c o  m*/
        public Object transform(Object input) {
            Map.Entry<cloudbase.core.data.Key, cloudbase.core.data.Value> entry = (Map.Entry<cloudbase.core.data.Key, cloudbase.core.data.Value>) input;
            return new EntryShim(new Key(entry.getKey()), new Value(entry.getValue()));
        }
    });
}

From source file:com.texeltek.accumulocloudbaseshim.ScannerShim.java

public Iterator<Map.Entry<Key, Value>> iterator() {
    return new TransformIterator(impl.iterator(), new Transformer() {
        public Object transform(Object input) {
            Map.Entry<cloudbase.core.data.Key, cloudbase.core.data.Value> entry = (Map.Entry<cloudbase.core.data.Key, cloudbase.core.data.Value>) input;
            return new EntryShim(new Key(entry.getKey()), new Value(entry.getValue()));
        }//from w w w .j a v a 2 s.co  m
    });
}

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));
}

From source file:com.texeltek.accumulocloudbaseshim.BatchDeleterShim.java

public Iterator<Map.Entry<Key, Value>> iterator() {
    return new TransformIterator(((BatchScanner) impl).iterator(), new Transformer() {
        public Object transform(Object input) {
            Map.Entry<cloudbase.core.data.Key, cloudbase.core.data.Value> entry = (Map.Entry<cloudbase.core.data.Key, cloudbase.core.data.Value>) input;
            return new EntryShim(new Key(entry.getKey()), new Value(entry.getValue()));
        }/*from www. j a  v a2  s  .  co  m*/
    });
}

From source file:com.amalto.core.storage.StagingStorage.java

@Override
public void update(Iterable<DataRecord> records) {
    final TransformIterator iterator = new TransformIterator(records.iterator(), new Transformer() {

        @Override/*w  ww.  j a v  a  2 s.  c o m*/
        public Object transform(Object input) {
            DataRecord dataRecord = (DataRecord) input;
            DataRecordMetadata metadata = dataRecord.getRecordMetadata();
            Map<String, String> recordProperties = metadata.getRecordProperties();
            // Update on a record in staging reset all its match&merge information.
            String status = recordProperties.get(METADATA_STAGING_STATUS);
            StagingUpdateAction updateAction = updateActions.get(status);
            if (updateAction == null) {
                // Try to re-read status from database
                if (status == null) {
                    UserQueryBuilder readStatus = from(dataRecord.getType());
                    for (FieldMetadata keyField : dataRecord.getType().getKeyFields()) {
                        readStatus.where(eq(keyField,
                                StorageMetadataUtils.toString(dataRecord.get(keyField), keyField)));
                    }
                    StorageResults refreshedRecord = delegate.fetch(readStatus.getSelect());
                    for (DataRecord record : refreshedRecord) {
                        Map<String, String> refreshedProperties = record.getRecordMetadata()
                                .getRecordProperties();
                        updateAction = updateActions.get(refreshedProperties.get(METADATA_STAGING_STATUS));
                    }
                }
                // Database doesn't have any satisfying update action
                if (updateAction == null) {
                    updateAction = defaultUpdateAction; // Covers cases where update action isn't specified.
                }
            }
            recordProperties.put(Storage.METADATA_STAGING_STATUS, updateAction.value());
            recordProperties.put(Storage.METADATA_STAGING_ERROR, StringUtils.EMPTY);
            if (updateAction.resetTaskId()) {
                metadata.setTaskId(null);
            }
            return dataRecord;
        }
    });
    Iterable<DataRecord> transformedRecords = new Iterable<DataRecord>() {

        @Override
        public Iterator<DataRecord> iterator() {
            return iterator;
        }
    };
    delegate.update(transformedRecords);
}

From source file:hudson.plugins.emailext.plugins.recipients.FailingTestSuspectsRecipientProviderTest.java

private static void addMockChangeSet(final AbstractBuild build, final String... inAuthors) {
    PowerMockito.when(build.getChangeSet()).thenReturn(new ChangeLogSet(build) {

        final String[] authors = inAuthors;

        @Override/*from   w  w w .  j  av a2s .  c  o  m*/
        public boolean isEmptySet() {
            return authors.length == 0;
        }

        public Iterator iterator() {
            return new TransformIterator(Arrays.asList(authors).iterator(), new Transformer() {
                @Override
                public Object transform(final Object inAuthor) {
                    return new ChangeLogSet.Entry() {
                        @Override
                        public String getMsg() {
                            return "COMMIT MESSAGE";
                        }

                        @Override
                        public User getAuthor() {
                            return getMockUser((String) inAuthor);
                        }

                        @Override
                        public Collection<String> getAffectedPaths() {
                            return Collections.EMPTY_SET;
                        }

                        @Override
                        public String getMsgAnnotated() {
                            return getMsg();
                        }

                        @Override
                        public Collection<? extends ChangeLogSet.AffectedFile> getAffectedFiles() {
                            return Collections.EMPTY_SET;
                        }
                    };
                }

            });
        }
    });
}

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//from  w  ww  .  j  a  v  a  2s  . c  o m
        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());
}

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

/**
 * Searches the resource hierarchy upwards for all config references and returns them.
 *///from w  w w.  j a va 2 s. c  o  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());
}