本文整理了Java中org.eclipse.persistence.oxm.mappings.XMLBinaryDataMapping.getNullPolicy()方法的一些代码示例，展示了XMLBinaryDataMapping.getNullPolicy()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。XMLBinaryDataMapping.getNullPolicy()方法的具体详情如下：
包路径：org.eclipse.persistence.oxm.mappings.XMLBinaryDataMapping
类名称：XMLBinaryDataMapping
方法名：getNullPolicy

XMLBinaryDataMapping.getNullPolicy介绍

暂无

代码示例

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

@Override
public void writeFromObjectIntoRow(Object object, AbstractRecord row, AbstractSession session, WriteType writeType) {
  Object attributeValue = getAttributeValueFromObject(object);
  if (attributeValue == null) {
    XMLField field = (XMLField) getField();
    if(getNullPolicy() != null && !field.getXPathFragment().isSelfFragment()) {
      getNullPolicy().directMarshal((Field) this.getField(), (XMLRecord) row, object);
    }
    return;            
  }
  writeSingleValue(attributeValue, object, (XMLRecord) row, session);
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

@Override
public void writeFromObjectIntoRow(Object object, AbstractRecord row, AbstractSession session, WriteType writeType) {
  Object attributeValue = getAttributeValueFromObject(object);
  if (attributeValue == null) {
    XMLField field = (XMLField) getField();
    if(getNullPolicy() != null && !field.getXPathFragment().isSelfFragment()) {
      getNullPolicy().directMarshal((Field) this.getField(), (XMLRecord) row, object);
    }
    return;
  }
  writeSingleValue(attributeValue, object, (XMLRecord) row, session);
}

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

private DatabaseMapping buildXMLBinaryDataMapping(String mappingUri, MimeTypePolicy mimeTypePolicy) {
  XMLBinaryDataMapping mapping = new XMLBinaryDataMapping();
  mapping.setAttributeName(getName());
  String xpath = getQualifiedXPath(mappingUri, false);
  mapping.setMimeTypePolicy(mimeTypePolicy);
  mapping.setXPath(xpath);
  ((XMLField)mapping.getField()).setSchemaType(XMLConstants.BASE_64_BINARY_QNAME);
  
  if (shouldAddInstanceClassConverter()) {
    InstanceClassConverter converter = new InstanceClassConverter();
    converter.setCustomClass(getType().getInstanceClass());
    mapping.setConverter(converter);
  }
  // Set the null policy on the mapping
  // Use NullPolicy or IsSetNullPolicy 
  if (nullable) { // elements only
    setIsSetNillablePolicyOnMapping(mapping, propertyName);
  } else {
    // elements or attributes
    setIsSetOptionalPolicyOnMapping(mapping, propertyName);
  }
  mapping.getNullPolicy().setNullRepresentedByEmptyNode(true);
  return mapping;
}

代码示例来源：origin: org.eclipse.persistence/com.springsource.org.eclipse.persistence

elem = buildElement(frag, schemaTypeString, Occurs.ZERO, null);
if (mapping.getNullPolicy().isNullRepresentedByXsiNil()) {
  elem.setNillable(true);

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.sdo

private DatabaseMapping buildXMLBinaryDataMapping(String mappingUri, MimeTypePolicy mimeTypePolicy) {
  XMLBinaryDataMapping mapping = new XMLBinaryDataMapping();
  mapping.setAttributeName(getName());
  String xpath = getQualifiedXPath(mappingUri, false);
  mapping.setMimeTypePolicy(mimeTypePolicy);
  mapping.setXPath(xpath);
  ((XMLField)mapping.getField()).setSchemaType(XMLConstants.BASE_64_BINARY_QNAME);
  if (shouldAddInstanceClassConverter()) {
    InstanceClassConverter converter = new InstanceClassConverter();
    converter.setCustomClass(getType().getInstanceClass());
    mapping.setConverter(converter);
  }
  // Set the null policy on the mapping
  // Use NullPolicy or IsSetNullPolicy
  if (nullable) { // elements only
    setIsSetNillablePolicyOnMapping(mapping, propertyName);
  } else {
    // elements or attributes
    setIsSetOptionalPolicyOnMapping(mapping, propertyName);
  }
  mapping.getNullPolicy().setNullRepresentedByEmptyNode(true);
  return mapping;
}

代码示例来源：origin: org.eclipse.persistence/org.eclipse.persistence.core

if (getNullPolicy().valueIsNull((Element) record.getDOM())) {
  return null;

代码示例来源：origin: com.haulmont.thirdparty/eclipselink

if (getNullPolicy().valueIsNull((Element) record.getDOM())) {
  return null;