本文整理汇总了Java中com.hp.hpl.jena.sparql.engine.Plan.iterator方法的典型用法代码示例。如果您正苦于以下问题:Java Plan.iterator方法的具体用法?Java Plan.iterator怎么用?Java Plan.iterator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com.hp.hpl.jena.sparql.engine.Plan
的用法示例。
在下文中一共展示了Plan.iterator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: prepareBindings
import com.hp.hpl.jena.sparql.engine.Plan; //导入方法依赖的package包/类
public BindingQueryPlan prepareBindings(GraphQuery q, Node[] variables) {
this.variables = variables;
this.indexes = new HashMap<Node,Integer>();
for (int i = 0; i < variables.length; i++) {
indexes.put(variables[i], new Integer(i));
}
BasicPattern pattern = new BasicPattern();
for (Triple t: q.getPattern()) {
pattern.add(t);
}
Plan plan = QueryEngineD2RQ.getFactory().create(new OpBGP(pattern), dataset, null, null);
final ExtendedIterator<Domain> queryIterator = new Map1Iterator<Binding,Domain>(new BindingToDomain(), plan.iterator());
return new BindingQueryPlan() {
public ExtendedIterator<Domain> executeBindings() {
return queryIterator;
}
};
}
示例2: prepareBindings
import com.hp.hpl.jena.sparql.engine.Plan; //导入方法依赖的package包/类
public BindingQueryPlan prepareBindings(Query q, Node[] variables) {
this.variables = variables;
this.indexes = new HashMap<Node,Integer>();
for (int i = 0; i < variables.length; i++) {
indexes.put(variables[i], new Integer(i));
}
BasicPattern pattern = new BasicPattern();
for (Triple t: q.getPattern()) {
pattern.add(t);
}
Plan plan = QueryEngineD2RQ.getFactory().create(new OpBGP(pattern), dataset, null, null);
final ExtendedIterator<Domain> queryIterator = new Map1Iterator<Binding,Domain>(new BindingToDomain(), plan.iterator());
return new BindingQueryPlan() {
public ExtendedIterator<Domain> executeBindings() {
return queryIterator;
}
};
}
示例3: prepareBindings
import com.hp.hpl.jena.sparql.engine.Plan; //导入方法依赖的package包/类
/**
* <p>Method that prepares the bindings for a query plan</p>
* @param q - the input query
* @param variables - the variables in the given query
* @return a binding query plan
*
* @see de.fuberlin.wiwiss.d2rq.D2RQQueryHandler#prepareBindings(Query, Node[])
*/
@SuppressWarnings("unchecked")
public BindingQueryPlan prepareBindings(Query q, Node[] variables)
{
this.variables = variables;
this.indexes = new HashMap();
for (int i = 0; i < variables.length; i++) { indexes.put(variables[i], new Integer(i)); }
BasicPattern pattern = new BasicPattern();
Iterator it = q.getPattern().iterator();
while (it.hasNext())
{
Triple t = (Triple) it.next();
pattern.add(t);
}
Plan plan = QueryEngineD2RQ.getFactory().create(new OpBGP(pattern), dataset, null, null);
final ExtendedIterator queryIterator = new Map1Iterator(new BindingToDomain(), plan.iterator());
return new BindingQueryPlan()
{
public ExtendedIterator executeBindings() { return queryIterator; }
};
}