Examples with FullTextAnd org.apache.jackrabbit.oak.query.fulltext.FullTextAnd used on opensource projects

Example 1 with FullTextAnd

use of org.apache.jackrabbit.oak.query.fulltext.FullTextAnd in project jackrabbit-oak by apache.

the class AggregateIndex method flatten.

private Cursor flatten(FullTextExpression constraint, final AggregateIndexPlan plan, final Filter filter, final NodeState state, final String path) {
    if (constraint == null) {
        return null;
    }
    final AtomicReference<Cursor> result = new AtomicReference<Cursor>();
    constraint.accept(new FullTextVisitor() {

        @Override
        public boolean visit(FullTextContains contains) {
            return contains.getBase().accept(this);
        }

        @Override
        public boolean visit(FullTextTerm term) {
            IndexPlan p = plan.getPlan(path);
            result.set(newAggregationCursor(p, state));
            return true;
        }

        @Override
        public boolean visit(FullTextAnd and) {
            Iterator<FullTextExpression> iterator = and.list.iterator();
            int index = 0;
            Cursor c = flatten(iterator.next(), plan, filter, state, path + " and(" + index + ")");
            while (iterator.hasNext()) {
                index++;
                FullTextExpression input = iterator.next();
                Cursor newC = flatten(input, plan, filter, state, path + " and(" + index + ")");
                c = Cursors.newIntersectionCursor(c, newC, filter.getQueryEngineSettings());
            }
            result.set(c);
            return true;
        }

        @Override
        public boolean visit(FullTextOr or) {
            final int[] index = new int[1];
            List<Cursor> cursors = Lists.transform(or.list, new Function<FullTextExpression, Cursor>() {

                @Override
                public Cursor apply(FullTextExpression input) {
                    return flatten(input, plan, filter, state, path + " or(" + index[0]++ + ")");
                }
            });
            result.set(Cursors.newConcatCursor(cursors, filter.getQueryEngineSettings()));
            return true;
        }
    });
    return result.get();
}

Example 2 with FullTextAnd

use of org.apache.jackrabbit.oak.query.fulltext.FullTextAnd in project jackrabbit-oak by apache.

the class IndexPlannerTest method fullTextQuery_DisjointPropertyPaths.

@Test
public void fullTextQuery_DisjointPropertyPaths() throws Exception {
    NodeBuilder defn = newLucenePropertyIndexDefinition(builder, "test", of("foo", "bar"), "async");
    //Index all props and then perform fulltext
    defn = IndexDefinition.updateDefinition(defn.getNodeState().builder());
    NodeBuilder foob = getNode(defn, "indexRules/nt:base/properties/foo");
    foob.setProperty(LuceneIndexConstants.PROP_NAME, "foo");
    foob.setProperty(LuceneIndexConstants.PROP_ANALYZED, true);
    NodeBuilder barb = getNode(defn, "indexRules/nt:base/properties/bar");
    barb.setProperty(LuceneIndexConstants.PROP_NAME, "bar");
    barb.setProperty(LuceneIndexConstants.PROP_ANALYZED, true);
    FullTextExpression fooExp = FullTextParser.parse("metadata/bar", "mountain OR valley");
    FullTextExpression barExp = FullTextParser.parse("jcr:content/foo", "mountain OR valley");
    FullTextExpression exp = new FullTextAnd(Arrays.asList(fooExp, barExp));
    IndexPlanner planner = createPlannerForFulltext(defn.getNodeState(), exp);
    //No plan for unindex property
    assertNull(planner.getPlan());
}

Example 3 with FullTextAnd

use of org.apache.jackrabbit.oak.query.fulltext.FullTextAnd in project jackrabbit-oak by apache.

the class IndexPlannerTest method fullTextQuery_RelativePropertyPaths.

@Test
public void fullTextQuery_RelativePropertyPaths() throws Exception {
    NodeBuilder defn = newLucenePropertyIndexDefinition(builder, "test", of("foo", "bar"), "async");
    //Index all props and then perform fulltext
    defn = IndexDefinition.updateDefinition(defn.getNodeState().builder());
    NodeBuilder foob = getNode(defn, "indexRules/nt:base/properties/foo");
    foob.setProperty(LuceneIndexConstants.PROP_NAME, "foo");
    foob.setProperty(LuceneIndexConstants.PROP_ANALYZED, true);
    NodeBuilder barb = getNode(defn, "indexRules/nt:base/properties/bar");
    barb.setProperty(LuceneIndexConstants.PROP_NAME, "bar");
    barb.setProperty(LuceneIndexConstants.PROP_ANALYZED, true);
    //where contains('jcr:content/bar', 'mountain OR valley') and contains('jcr:content/foo', 'mountain OR valley')
    //above query can be evaluated by index which indexes foo and bar with restriction that both belong to same node
    //by displacing the query path to evaluate on contains('bar', ...) and filter out those parents which do not
    //have jcr:content as parent
    FullTextExpression fooExp = FullTextParser.parse("jcr:content/bar", "mountain OR valley");
    FullTextExpression barExp = FullTextParser.parse("jcr:content/foo", "mountain OR valley");
    FullTextExpression exp = new FullTextAnd(Arrays.asList(fooExp, barExp));
    IndexPlanner planner = createPlannerForFulltext(defn.getNodeState(), exp);
    //No plan for unindex property
    assertNotNull(planner.getPlan());
}

Example 4 with FullTextAnd

use of org.apache.jackrabbit.oak.query.fulltext.FullTextAnd in project jackrabbit-oak by apache.

the class LucenePropertyIndex method getFullTextQuery.

static Query getFullTextQuery(final IndexPlan plan, FullTextExpression ft, final Analyzer analyzer, final FulltextQueryTermsProvider augmentor) {
    final PlanResult pr = getPlanResult(plan);
    // a reference to the query, so it can be set in the visitor
    // (a "non-local return")
    final AtomicReference<Query> result = new AtomicReference<Query>();
    ft.accept(new FullTextVisitor() {

        @Override
        public boolean visit(FullTextContains contains) {
            visitTerm(contains.getPropertyName(), contains.getRawText(), null, contains.isNot());
            return true;
        }

        @Override
        public boolean visit(FullTextOr or) {
            BooleanQuery q = new BooleanQuery();
            for (FullTextExpression e : or.list) {
                Query x = getFullTextQuery(plan, e, analyzer, augmentor);
                q.add(x, SHOULD);
            }
            result.set(q);
            return true;
        }

        @Override
        public boolean visit(FullTextAnd and) {
            BooleanQuery q = new BooleanQuery();
            for (FullTextExpression e : and.list) {
                Query x = getFullTextQuery(plan, e, analyzer, augmentor);
                /* Only unwrap the clause if MUST_NOT(x) */
                boolean hasMustNot = false;
                if (x instanceof BooleanQuery) {
                    BooleanQuery bq = (BooleanQuery) x;
                    if ((bq.getClauses().length == 1) && (bq.getClauses()[0].getOccur() == BooleanClause.Occur.MUST_NOT)) {
                        hasMustNot = true;
                        q.add(bq.getClauses()[0]);
                    }
                }
                if (!hasMustNot) {
                    q.add(x, MUST);
                }
            }
            result.set(q);
            return true;
        }

        @Override
        public boolean visit(FullTextTerm term) {
            return visitTerm(term.getPropertyName(), term.getText(), term.getBoost(), term.isNot());
        }

        private boolean visitTerm(String propertyName, String text, String boost, boolean not) {
            String p = getLuceneFieldName(propertyName, pr);
            Query q = tokenToQuery(text, p, pr, analyzer, augmentor);
            if (q == null) {
                return false;
            }
            if (boost != null) {
                q.setBoost(Float.parseFloat(boost));
            }
            if (not) {
                BooleanQuery bq = new BooleanQuery();
                bq.add(q, MUST_NOT);
                result.set(bq);
            } else {
                result.set(q);
            }
            return true;
        }
    });
    return result.get();
}

Example 5 with FullTextAnd

use of org.apache.jackrabbit.oak.query.fulltext.FullTextAnd in project jackrabbit-oak by apache.

the class AggregateIndex method hasCompositeExpression.

private static boolean hasCompositeExpression(FullTextExpression ft) {
    if (ft == null) {
        return false;
    }
    final AtomicReference<Boolean> composite = new AtomicReference<Boolean>();
    composite.set(false);
    ft.accept(new FullTextVisitor() {

        @Override
        public boolean visit(FullTextContains contains) {
            return contains.getBase().accept(this);
        }

        @Override
        public boolean visit(FullTextTerm term) {
            return true;
        }

        @Override
        public boolean visit(FullTextAnd and) {
            composite.set(true);
            return true;
        }

        @Override
        public boolean visit(FullTextOr or) {
            composite.set(true);
            return true;
        }
    });
    return composite.get() && !hasNegativeContains(ft);
}