本文整理汇总了Java中javax.persistence.Subgraph.addSubgraph方法的典型用法代码示例。如果您正苦于以下问题：Java Subgraph.addSubgraph方法的具体用法？Java Subgraph.addSubgraph怎么用？Java Subgraph.addSubgraph使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.persistence.Subgraph的用法示例。
在下文中一共展示了Subgraph.addSubgraph方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: applyFetchPaths
import javax.persistence.Subgraph; //导入方法依赖的package包/类
private <T> Subgraph<Object> applyFetchPaths(EntityGraph<T> graph, MetaAttributePath fetchPath) {
if (fetchPath.length() >= 2) {
// ensure parent is fetched
MetaAttributePath parentPath = fetchPath.subPath(0, fetchPath.length() - 1);
Subgraph<Object> parentGraph = applyFetchPaths(graph, parentPath);
return parentGraph.addSubgraph(fetchPath.toString());
} else {
return graph.addSubgraph(fetchPath.toString());
}
}
示例2: applyFetchPaths
import javax.persistence.Subgraph; //导入方法依赖的package包/类
private Subgraph<Object> applyFetchPaths(EntityGraph<T> graph, MetaAttributePath fetchPath) {
if (fetchPath.length() >= 2) {
// ensure parent is fetched
MetaAttributePath parentPath = fetchPath.subPath(0, fetchPath.length() - 1);
Subgraph<Object> parentGraph = applyFetchPaths(graph, parentPath);
return parentGraph.addSubgraph(fetchPath.toString());
}
else {
return graph.addSubgraph(fetchPath.toString());
}
}
示例3: buildSubgraph
import javax.persistence.Subgraph; //导入方法依赖的package包/类
/**
* Builds an subgraph and connects it with the upper graph.
*
* @param subgraph
* current subgraph without any elements (graph is already
* connected to upper-graph)
* @param graphName
* name of the entity-graph
* @param upperElem
* Element which references to the subgraph
* @param subgraphList
* List with all defined subgraph-nodes
* @param doc
* Document which is needed for the compilation of the xpath
* @return a new build subgraph
*/
private Subgraph<?> buildSubgraph(final Subgraph<?> subgraph, final String graphName, final Element upperElem,
final NodeList subgraphList, final Document doc) {
// searches for the right subgraph
for (int j = 0; j < subgraphList.getLength(); ++j) {
final Element subgraphElem = (Element) subgraphList.item(j);
if (subgraphElem.getAttribute("name").equals(upperElem.getAttribute("subgraph"))) {
final String attributesSubgraphListString = "//named-entity-graph[@name='" + graphName
+ "']/subgraph[@name='" + subgraphElem.getAttribute("name") + "']/named-attribute-node";
NodeList attributesSubgraphList = null;
try {
attributesSubgraphList = (NodeList) xPath.compile(attributesSubgraphListString).evaluate(doc,
XPathConstants.NODESET);
} catch (final XPathExpressionException e) {
LOGGER.warn("Exception in BuildEntityGraph::buildSubgraph, full stack trace follows: ", e);
}
// reads all attributes of the subgraph
for (int k = 0; k < attributesSubgraphList.getLength(); ++k) {
final Element attributeSubgraphElem = (Element) attributesSubgraphList.item(k);
// attributes of subgraph
if ("".equals(attributeSubgraphElem.getAttribute("subgraph"))) {
// adds the attributes to the subgraph
subgraph.addAttributeNodes(attributeSubgraphElem.getAttribute("name"));
}
// references to other subgraphs
else {
Subgraph<?> deeperSubgraph = null;
deeperSubgraph = subgraph.addSubgraph(attributeSubgraphElem.getAttribute("name"));
buildSubgraph(deeperSubgraph, graphName, attributeSubgraphElem, subgraphList, doc);
}
}
}
}
return subgraph;
}