Example usage for org.apache.commons.collections Predicate Predicate

Introduction

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

Prototype

Predicate

Source Link

Usage

From source file:org.apache.ambari.server.orm.dao.HostConfigMappingDAO.java

@RequiresSession
public Set<HostConfigMapping> findSelectedByHosts(long clusterId, Collection<String> hostNames) {

    populateCache();/*from w ww.  ja  v  a  2  s  . c  o  m*/

    if (hostNames == null || hostNames.isEmpty()) {
        return Collections.emptySet();
    }

    HashSet<HostConfigMapping> result = new HashSet<HostConfigMapping>();

    for (final String hostName : hostNames) {

        if (!hostConfigMappingByHost.containsKey(hostName))
            continue;

        Set<HostConfigMapping> set = new HashSet<HostConfigMapping>(hostConfigMappingByHost.get(hostName));

        CollectionUtils.filter(set, new Predicate() {

            @Override
            public boolean evaluate(Object arg0) {
                return ((HostConfigMapping) arg0).getHostName().equals(hostName)
                        && ((HostConfigMapping) arg0).getSelected() > 0;
            }
        });

        result.addAll(set);
    }

    return result;
}

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From source file:org.apache.ambari.server.orm.dao.HostConfigMappingDAO.java

/**
 * @param clusterId/*from  www .  jav  a2s  .c o  m*/
 * @param hostName
 */
@Transactional
public void removeHost(final long clusterId, String hostName) {

    populateCache();

    Set<HostConfigMapping> set = hostConfigMappingByHost.get(hostName);

    //Remove from cache items with clusterId
    CollectionUtils.filter(set, new Predicate() {

        @Override
        public boolean evaluate(Object arg0) {
            return !((HostConfigMapping) arg0).getClusterId().equals(clusterId);
        }
    });

    //delete from db
    TypedQuery<HostConfigMappingEntity> query = entityManagerProvider.get()
            .createQuery(
                    "SELECT entity FROM HostConfigMappingEntity entity "
                            + "WHERE entity.clusterId = ?1 AND entity.hostName = ?2",
                    HostConfigMappingEntity.class);

    List<HostConfigMappingEntity> list = daoUtils.selectList(query, Long.valueOf(clusterId), hostName);

    for (HostConfigMappingEntity entity : list) {
        entityManagerProvider.get().remove(entity);
    }

}

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From source file:org.apache.ambari.server.orm.dao.ServiceConfigDAO.java

@Transactional
public void removeHostFromServiceConfigs(final Long hostId) {
    List<ServiceConfigEntity> allServiceConfigs = this.findAll();
    for (ServiceConfigEntity serviceConfigEntity : allServiceConfigs) {
        List<Long> hostIds = serviceConfigEntity.getHostIds();
        if (hostIds != null && hostIds.contains(hostId)) {
            // Remove the hostId
            CollectionUtils.filter(hostIds, new Predicate() {
                @Override//from w ww .  ja va2  s.  com
                public boolean evaluate(Object arg0) {
                    return !((Long) arg0).equals(hostId);
                }
            });
            serviceConfigEntity.setHostIds(hostIds);
        }
    }
}

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From source file:org.apache.atlas.repository.util.FilterUtil.java

private static Predicate getNamePredicate(final String name) {
    return new Predicate() {
        private boolean isAtlasType(Object o) {
            return o instanceof AtlasType;
        }//from   w w  w.j av  a 2s  .c o m

        @Override
        public boolean evaluate(Object o) {
            return o != null && isAtlasType(o) && Objects.equals(((AtlasType) o).getTypeName(), name);
        }
    };
}

---

From source file:org.apache.atlas.repository.util.FilterUtil.java

private static Predicate getSuperTypePredicate(final String supertype) {
    return new Predicate() {
        private boolean isClassificationType(Object o) {
            return o instanceof AtlasClassificationType;
        }//from w ww  .  j av  a2 s  . c  o m

        private boolean isEntityType(Object o) {
            return o instanceof AtlasEntityType;
        }

        @Override
        public boolean evaluate(Object o) {
            return (isClassificationType(o)
                    && ((AtlasClassificationType) o).getAllSuperTypes().contains(supertype))
                    || (isEntityType(o) && ((AtlasEntityType) o).getAllSuperTypes().contains(supertype));
        }
    };
}

---

From source file:org.apache.atlas.repository.util.FilterUtil.java

private static Predicate getTypePredicate(final String type) {
    return new Predicate() {
        @Override//w  w w .  j a  va  2  s . com
        public boolean evaluate(Object o) {
            if (o instanceof AtlasType) {
                AtlasType atlasType = (AtlasType) o;

                switch (type.toUpperCase()) {
                case "CLASS":
                case "ENTITY":
                    return atlasType.getTypeCategory() == TypeCategory.ENTITY;
                case "TRAIT":
                case "CLASSIFICATION":
                    return atlasType.getTypeCategory() == TypeCategory.CLASSIFICATION;
                case "STRUCT":
                    return atlasType.getTypeCategory() == TypeCategory.STRUCT;
                case "ENUM":
                    return atlasType.getTypeCategory() == TypeCategory.ENUM;
                default:
                    // This shouldn't have happened
                    return false;
                }
            }
            return false;
        }
    };
}

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From source file:org.apache.carbondata.datamap.bloom.BloomDataMapWriter.java

BloomDataMapWriter(String tablePath, String dataMapName, List<CarbonColumn> indexColumns, Segment segment,
        String shardName, SegmentProperties segmentProperties, int bloomFilterSize, double bloomFilterFpp,
        boolean compressBloom) throws IOException {
    super(tablePath, dataMapName, indexColumns, segment, shardName, segmentProperties, bloomFilterSize,
            bloomFilterFpp, compressBloom);

    columnarSplitter = segmentProperties.getFixedLengthKeySplitter();
    this.indexCol2MdkIdx = new HashMap<>();
    int idx = 0;//from   w  w w .j a va  2  s.co  m
    for (final CarbonDimension dimension : segmentProperties.getDimensions()) {
        if (!dimension.isGlobalDictionaryEncoding() && !dimension.isDirectDictionaryEncoding()) {
            continue;
        }
        boolean isExistInIndex = CollectionUtils.exists(indexColumns, new Predicate() {
            @Override
            public boolean evaluate(Object object) {
                return ((CarbonColumn) object).getColName().equalsIgnoreCase(dimension.getColName());
            }
        });
        if (isExistInIndex) {
            this.indexCol2MdkIdx.put(dimension.getColName(), idx);
        }
        idx++;
    }
}

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From source file:org.apache.cayenne.modeler.dialog.codegen.ClientModeController.java

public ClientModeController(CodeGeneratorControllerBase parent) {
    super(parent);

    this.checkPredicate = new Predicate() {

        public boolean evaluate(Object object) {
            if (object instanceof ObjEntity) {
                ObjEntity entity = (ObjEntity) object;
                return entity.isClientAllowed() && getParentController().getProblem(entity.getName()) == null;
            }/*w ww  .  j a v a 2 s.  c  o  m*/

            return false;
        }
    };
}

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From source file:org.apache.cayenne.modeler.dialog.codegen.GeneratorController.java

/**
 * Returns a predicate for default entity selection in a given mode.
 *///from  ww w  . ja v a2  s. c om
public Predicate getDefaultClassFilter() {
    final ObjEntity selectedEntity = Application.getInstance().getFrameController().getProjectController()
            .getCurrentObjEntity();

    final Embeddable selectedEmbeddable = Application.getInstance().getFrameController().getProjectController()
            .getCurrentEmbeddable();

    // select a single entity
    if (selectedEntity != null) {
        final boolean hasProblem = getParentController().getProblem(selectedEntity.getName()) != null;

        return new Predicate() {

            public boolean evaluate(Object object) {
                return !hasProblem && object == selectedEntity;
            }
        };
    }
    // select a single embeddable
    else if (selectedEmbeddable != null) {
        final boolean hasProblem = getParentController().getProblem(selectedEmbeddable.getClassName()) != null;

        return new Predicate() {

            public boolean evaluate(Object object) {
                return !hasProblem && object == selectedEmbeddable;
            }
        };
    }
    // select all entities
    else {

        return new Predicate() {

            public boolean evaluate(Object object) {
                if (object instanceof ObjEntity) {
                    return getParentController().getProblem(((ObjEntity) object).getName()) == null;
                }

                if (object instanceof Embeddable) {
                    return getParentController().getProblem(((Embeddable) object).getClassName()) == null;
                }

                return false;
            }
        };
    }
}

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From source file:org.apache.cayenne.modeler.editor.ObjEntityTab.java

/**
 * Updates the view from the current model state. Invoked when a currently displayed
 * ObjEntity is changed.//from   ww  w.j  a va  2  s.  c  om
 * 
 * @param entity current entity
 */
private void initFromModel(final ObjEntity entity) {
    // TODO: this is a hack until we implement a real MVC
    qualifier.getComponent().setBackground(Color.WHITE);

    name.setText(entity.getName());
    superClassName.setText(entity.getSuperClassName());
    className.setText(entity.getClassName());
    readOnly.setSelected(entity.isReadOnly());

    isAbstract.setSelected(entity.isAbstract());
    serverOnly.setSelected(entity.isServerOnly());
    clientClassName.setText(entity.getClientClassName());
    clientSuperClassName.setText(entity.getClientSuperClassName());

    qualifier.setText(new ExpressionConvertor().valueAsString(entity.getDeclaredQualifier()));

    // TODO: fix inheritance - we should allow to select optimistic
    // lock if superclass is not already locked,
    // otherwise we must keep this checked in but not editable.
    optimisticLocking.setSelected(entity.getDeclaredLockType() == ObjEntity.LOCK_TYPE_OPTIMISTIC);
    excludeSuperclassListeners.setSelected(entity.isExcludingSuperclassListeners());
    excludeDefaultListeners.setSelected(entity.isExcludingDefaultListeners());

    // init DbEntities
    EntityResolver resolver = mediator.getEntityResolver();
    DataMap map = mediator.getCurrentDataMap();
    Object[] dbEntities = resolver.getDbEntities().toArray();
    Arrays.sort(dbEntities, Comparators.getDataMapChildrenComparator());

    DefaultComboBoxModel dbModel = new DefaultComboBoxModel(dbEntities);
    dbModel.setSelectedItem(entity.getDbEntity());
    dbEntityCombo.setRenderer(CellRenderers.entityListRendererWithIcons(map));
    dbEntityCombo.setModel(dbModel);

    boolean isUsedInheritance = entity.getSuperEntity() != null;
    dbEntityCombo.setEnabled(!isUsedInheritance);

    // toggle visibilty and editability rules

    toggleClientFieldsVisible(map.isClientSupported());
    toggleEnabled(entity.getSuperEntityName() == null, !entity.isServerOnly());

    // init ObjEntities for inheritance
    Predicate inheritanceFilter = new Predicate() {

        public boolean evaluate(Object object) {
            // do not show this entity or any of the subentities
            if (entity == object) {
                return false;
            }

            if (object instanceof ObjEntity) {
                return !((ObjEntity) object).isSubentityOf(entity);
            }

            return false;
        }
    };

    Object[] objEntities = CollectionUtils.select(map.getObjEntities(), inheritanceFilter).toArray();
    Arrays.sort(objEntities, Comparators.getDataMapChildrenComparator());
    Object[] finalObjEntities = new Object[objEntities.length + 1];
    finalObjEntities[0] = noInheritance;
    System.arraycopy(objEntities, 0, finalObjEntities, 1, objEntities.length);

    DefaultComboBoxModel superEntityModel = new DefaultComboBoxModel(finalObjEntities);
    superEntityModel.setSelectedItem(entity.getSuperEntity());
    superEntityCombo.setRenderer(CellRenderers.entityListRendererWithIcons(map));
    superEntityCombo.setModel(superEntityModel);
}

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