Example usage for org.apache.commons.collections15 IteratorUtils toList

Introduction

In this page you can find the example usage for org.apache.commons.collections15 IteratorUtils toList.

Prototype

public static <E> List<E> toList(Iterator<E> iterator) 

Source Link

Document

Gets a list based on an iterator.

Usage

From source file:org.deri.iris.rules.compiler.RuleCompiler.java

/**
 * Compile a rule. No optimisations of any kind are attempted.
 * /* w  w  w  .  ja v  a2s .c  o m*/
 * @param rule The rule to be compiled
 * @return The compiled rule, ready to be evaluated
 * @throws EvaluationException If the query can not be compiled for any
 *             reason.
 */
public ICompiledRule compile(IRule rule) throws EvaluationException {
    LinkedHashMap<RuleElement, ILiteral> elementsToLiteral = compileBody(rule.getBody());
    List<RuleElement> elements = IteratorUtils.toList(elementsToLiteral.keySet().iterator());

    List<IVariable> variables;

    if (elements.size() == 0)
        variables = new ArrayList<IVariable>();
    else {
        RuleElement lastElement = elements.get(elements.size() - 1);
        variables = lastElement.getOutputVariables();
    }

    ILiteral headLiteral = rule.getHead().get(0);
    IAtom headAtom = headLiteral.getAtom();
    ITuple headTuple = headAtom.getTuple();

    HeadSubstituter substituter;

    // We create a special head substituter for rules with head
    // equality, that establishes equivalence relation between terms in the
    // equivalent terms data-structure.
    if (RuleHeadEquality.hasRuleHeadEquality(rule)) {
        substituter = new RuleHeadEqualitySubstituter(variables, headTuple, elementsToLiteral, mEquivalentTerms,
                mConfiguration);
    } else {
        substituter = new HeadSubstituter(variables, headTuple, elementsToLiteral, mConfiguration);
    }

    elements.add(substituter);

    //Amir added
    for (int e = 0; e < elements.size() - 2; e++) {
        RuleElement elt = elements.get(e);
        elt.FindIndices(elements);
    }

    return new CompiledRule(elements, headAtom.getPredicate(), headLiteral, mConfiguration);
}

---

From source file:org.deri.iris.rules.compiler.RuleCompiler.java

/**
 * Compile a query. No optimisations of any kind are attempted.
 * /*  w ww.  j  a  v a  2s  .c om*/
 * @param query The query to be compiled
 * @return The compiled query, ready to be evaluated
 * @throws EvaluationException If the query can not be compiled for any
 *             reason.
 */
public ICompiledRule compile(IQuery query) throws EvaluationException {
    List<RuleElement> elements = IteratorUtils.toList(compileBody(query.getLiterals()).keySet().iterator());

    return new CompiledRule(elements, null, null, mConfiguration);
}

---

From source file:org.openanzo.glitter.MockEngineConfig.java

@Override
public Iterable<TreeRewriter> getTreeRewriters() {
    if (rewriters == null)
        return super.getTreeRewriters();

    List<TreeRewriter> rewriterList = IteratorUtils.toList(super.getTreeRewriters().iterator());
    rewriterList.addAll(rewriters);//from ww  w.j  a v a2s.  c om
    return rewriterList;
}

---