本文整理了Java中xdi2.core.features.nodetypes.XdiEntity.getXdiEntitySingleton()方法的一些代码示例，展示了XdiEntity.getXdiEntitySingleton()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。XdiEntity.getXdiEntitySingleton()方法的具体详情如下：
包路径：xdi2.core.features.nodetypes.XdiEntity
类名称：XdiEntity
方法名：getXdiEntitySingleton

XdiEntity.getXdiEntitySingleton介绍

暂无

代码示例

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns the XDI entity with XDI operations.
 * @return A XDI entity with XDI operations.
 */
public XdiEntity getOperationsXdiEntity() {
  return this.getXdiSubGraph().getXdiEntitySingleton(XDIMessagingConstants.XDI_ARC_DO, true);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns the XDI entity with XDI permissions.
 * @return A XDI entity with XDI permissions.
 */
public XdiEntity getPermissionsXdiEntity() {
  return this.getXdiEntity().getXdiEntitySingleton(XDILinkContractConstants.XDI_ARC_DO, true);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns an existing XDI defer policy root in this XDI link contract (template), or creates a new one.
 * @param create Whether to create an XDI defer policy root if it does not exist.
 * @return The existing or newly created XDI defer policy root.
 */
public PolicyRoot getDeferPolicyRoot(boolean create) {
  XdiEntitySingleton xdiEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XDIPolicyConstants.XDI_ADD_DEFER, create);
  if (xdiEntitySingleton == null) return null;
  xdiEntitySingleton = xdiEntitySingleton.getXdiEntitySingleton(XDIPolicyConstants.XDI_ARC_IF, create);
  if (xdiEntitySingleton == null) return null;
  return PolicyRoot.fromXdiEntity(xdiEntitySingleton);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns an existing XDI root policy in this XDI message (template), or creates a new one.
 * @param create Whether to create an XDI root policy if it does not exist.
 * @return The existing or newly created XDI root policy.
 */
public PolicyRoot getPolicyRoot(boolean create) {
  XdiEntitySingleton xdiEntitySingleton = this.getXdiSubGraph().getXdiEntitySingleton(XDIPolicyConstants.XDI_ADD_DO, create);
  if (xdiEntitySingleton == null) return null;
  xdiEntitySingleton = xdiEntitySingleton.getXdiEntitySingleton(XDIPolicyConstants.XDI_ARC_IF, create);
  if (xdiEntitySingleton == null) return null;
  return PolicyRoot.fromXdiEntity(xdiEntitySingleton);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns an existing XDI defer push policy root in this XDI link contract (template), or creates a new one.
 * @param create Whether to create an XDI defer push policy root if it does not exist.
 * @return The existing or newly created XDI defer push policy root.
 */
public PolicyRoot getDeferPushPolicyRoot(boolean create) {
  XdiEntitySingleton xdiEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XDIPolicyConstants.XDI_ADD_DEFER_PUSH, create);
  if (xdiEntitySingleton == null) return null;
  xdiEntitySingleton = xdiEntitySingleton.getXdiEntitySingleton(XDIPolicyConstants.XDI_ARC_IF, create);
  if (xdiEntitySingleton == null) return null;
  return PolicyRoot.fromXdiEntity(xdiEntitySingleton);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns an existing XDI policy root in this XDI link contract (template), or creates a new one.
 * @param create Whether to create an XDI policy root if it does not exist.
 * @return The existing or newly created XDI policy root.
 */
public PolicyRoot getPolicyRoot(boolean create) {
  XdiEntitySingleton xdiEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XDIPolicyConstants.XDI_ADD_DO, create);
  if (xdiEntitySingleton == null) return null;
  xdiEntitySingleton = xdiEntitySingleton.getXdiEntitySingleton(XDIPolicyConstants.XDI_ARC_IF, create);
  if (xdiEntitySingleton == null) return null;
  return PolicyRoot.fromXdiEntity(xdiEntitySingleton);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns an existing XDI delete policy root in this XDI link contract (template), or creates a new one.
 * @param create Whether to create an XDI delete policy root if it does not exist.
 * @return The existing or newly created XDI delete policy root.
 */
public PolicyRoot getDeletePolicyRoot(boolean create) {
  XdiEntitySingleton xdiEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XDIPolicyConstants.XDI_ADD_DEL, create);
  if (xdiEntitySingleton == null) return null;
  xdiEntitySingleton = xdiEntitySingleton.getXdiEntitySingleton(XDIPolicyConstants.XDI_ARC_IF, create);
  if (xdiEntitySingleton == null) return null;
  return PolicyRoot.fromXdiEntity(xdiEntitySingleton);
}

代码示例来源：origin: projectdanube/xdi2

public void setVariableValue(XDIArc variableValueXDIArc, Object variableValue) {
  XdiEntitySingleton variableValuesXdiEntity = this.getMessageBase().getOperationsXdiEntity().getXdiEntitySingleton(this.getOperationXDIAddress(), true);
  XdiAbstractVariable.setVariableValue(variableValuesXdiEntity, variableValueXDIArc, variableValue);
}

代码示例来源：origin: projectdanube/xdi2

public Map<XDIArc, Object> getVariableValues() {
  XdiEntitySingleton variableValuesXdiEntity = this.getMessageBase().getOperationsXdiEntity().getXdiEntitySingleton(this.getOperationXDIAddress(), true);
  return XdiAbstractVariable.getVariableValues(variableValuesXdiEntity);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Sets a parameter value of this operation.
 * @param parameterXDIAddress The parameter identifier.
 * @param parameterValue The parameter value.
 */
public void setParameter(XDIAddress parameterXDIAddress, Object parameterValue) {
  XdiEntitySingleton parameterXdiEntity = this.getMessageBase().getOperationsXdiEntity().getXdiEntitySingleton(this.getOperationXDIAddress(), true);
  XdiAttributeSingleton parameterXdiAttribute = parameterXdiEntity.getXdiAttributeSingleton(parameterXDIAddress, true);
  parameterXdiAttribute.setLiteralData(parameterValue);
}

代码示例来源：origin: projectdanube/xdi2

private LiteralNode getParameterLiteralNode(XDIAddress parameterXDIAddress) {
  XdiEntitySingleton parameterXdiEntity = this.getMessageBase().getOperationsXdiEntity().getXdiEntitySingleton(this.getOperationXDIAddress(), false);
  if (parameterXdiEntity == null) return null;
  XdiAttributeSingleton parameterXdiAttribute = parameterXdiEntity.getXdiAttributeSingleton(parameterXDIAddress, false);
  if (parameterXdiAttribute == null) return null;
  LiteralNode parameterLiteral = parameterXdiAttribute.getLiteralNode();
  if (parameterLiteral == null) return null;
  return parameterLiteral;
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Checks if an XDI entity is a valid XDI message.
 * @param xdiEntity The XDI entity to check.
 * @return True if the XDI entity is a valid XDI message.
 */
public static boolean isValid(XdiEntity xdiEntity) {
  if (xdiEntity instanceof XdiEntitySingleton) {
    if (! xdiEntity.getXDIArc().equals(XDIMessagingConstants.XDI_ADD_MSG)) return false;
  } else if (xdiEntity instanceof XdiEntityInstance) {
    XdiEntityCollection xdiCollection = ((XdiEntityInstance) xdiEntity).getXdiCollection();
    if (! xdiCollection.getXDIArc().equals(XDIMessagingConstants.XDI_ADD_EC_MSG)) return false;
  } else {
    return false;
  }
  if (xdiEntity.getXdiEntitySingleton(XDIMessagingConstants.XDI_ARC_DO, false) == null) return false;
  return true;
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Returns the XDI policies underneath this XDI policy.
 */
public ReadOnlyIterator<Policy> getPolicies() {
  List<Iterator<? extends Policy>> iterators = new ArrayList<Iterator<? extends Policy>> ();
  // add policies that are XDI entity singletons
  XdiEntitySingleton policyAndEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XdiEntitySingleton.createXDIArc(XDIPolicyConstants.XDI_ARC_AND), false);
  XdiEntitySingleton policyOrEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XdiEntitySingleton.createXDIArc(XDIPolicyConstants.XDI_ARC_OR), false);
  XdiEntitySingleton policyNotEntitySingleton = this.getXdiEntity().getXdiEntitySingleton(XdiEntitySingleton.createXDIArc(XDIPolicyConstants.XDI_ARC_NOT), false);
  if (policyAndEntitySingleton != null) iterators.add(new SingleItemIterator<Policy> (PolicyAnd.fromXdiEntity(policyAndEntitySingleton)));
  if (policyOrEntitySingleton != null) iterators.add(new SingleItemIterator<Policy> (PolicyOr.fromXdiEntity(policyOrEntitySingleton)));
  if (policyNotEntitySingleton != null) iterators.add(new SingleItemIterator<Policy> (PolicyNot.fromXdiEntity(policyNotEntitySingleton)));
  // add policies that are XDI entity instances
  XdiEntityCollection policyAndEntityCollection = this.getXdiEntity().getXdiEntityCollection(XdiEntityCollection.createXDIArc(XDIPolicyConstants.XDI_ARC_AND), false);
  XdiEntityCollection policyOrEntityCollection = this.getXdiEntity().getXdiEntityCollection(XdiEntityCollection.createXDIArc(XDIPolicyConstants.XDI_ARC_OR), false);
  XdiEntityCollection policyNotEntityCollection = this.getXdiEntity().getXdiEntityCollection(XdiEntityCollection.createXDIArc(XDIPolicyConstants.XDI_ARC_NOT), false);
  if (policyAndEntityCollection != null) iterators.add(new MappingXdiEntityPolicyAndIterator(policyAndEntityCollection.getXdiInstancesDeref()));
  if (policyOrEntityCollection != null) iterators.add(new MappingXdiEntityPolicyOrIterator(policyOrEntityCollection.getXdiInstancesDeref()));
  if (policyNotEntityCollection != null) iterators.add(new MappingXdiEntityPolicyNotIterator(policyNotEntityCollection.getXdiInstancesDeref()));
  return new CompositeIterator<Policy> (iterators.iterator());
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Creates an XDI $or policy.
 */
public PolicyOr createOrPolicy(boolean singleton) {
  XdiEntity policyOrXdiEntity; 
  if (singleton)
    policyOrXdiEntity = this.getXdiEntity().getXdiEntitySingleton(XdiEntitySingleton.createXDIArc(XDIPolicyConstants.XDI_ARC_OR), true);
  else
    policyOrXdiEntity = this.getXdiEntity().getXdiEntityCollection(XdiEntityCollection.createXDIArc(XDIPolicyConstants.XDI_ARC_OR), true).setXdiInstanceUnordered(true, false);
  return PolicyOr.fromXdiEntity(policyOrXdiEntity);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Creates an XDI $and policy.
 */
public PolicyAnd createAndPolicy(boolean singleton) {
  XdiEntity policyAndXdiEntity; 
  if (singleton)
    policyAndXdiEntity = this.getXdiEntity().getXdiEntitySingleton(XdiEntitySingleton.createXDIArc(XDIPolicyConstants.XDI_ARC_AND), true);
  else
    policyAndXdiEntity = this.getXdiEntity().getXdiEntityCollection(XdiEntityCollection.createXDIArc(XDIPolicyConstants.XDI_ARC_AND), true).setXdiInstanceUnordered(true, false);
  return PolicyAnd.fromXdiEntity(policyAndXdiEntity);
}

代码示例来源：origin: projectdanube/xdi2

/**
 * Creates an XDI $not policy.
 */
public PolicyNot createNotPolicy(boolean singleton) {
  XdiEntity policyNotXdiEntity; 
  if (singleton)
    policyNotXdiEntity = this.getXdiEntity().getXdiEntitySingleton(XdiEntitySingleton.createXDIArc(XDIPolicyConstants.XDI_ARC_NOT), true);
  else
    policyNotXdiEntity = this.getXdiEntity().getXdiEntityCollection(XdiEntityCollection.createXDIArc(XDIPolicyConstants.XDI_ARC_NOT), true).setXdiInstanceUnordered(true, false);
  return PolicyNot.fromXdiEntity(policyNotXdiEntity);
}