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

Example 6 with FullTextContains

use of org.apache.jackrabbit.oak.spi.query.fulltext.FullTextContains 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);
}

Example 7 with FullTextContains

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

the class IndexPlanner method canEvalAllFullText.

private boolean canEvalAllFullText(final IndexingRule indexingRule, FullTextExpression ft) {
    if (ft == null) {
        return false;
    }
    final HashSet<String> relPaths = new HashSet<String>();
    final HashSet<String> nonIndexedPaths = new HashSet<String>();
    final AtomicBoolean relativeParentsFound = new AtomicBoolean();
    final AtomicBoolean nodeScopedCondition = new AtomicBoolean();
    ft.accept(new FullTextVisitor.FullTextVisitorBase() {

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

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

        private void visitTerm(String propertyName) {
            String p = propertyName;
            String propertyPath = null;
            String nodePath = null;
            if (p == null) {
                relPaths.add("");
            } else if (p.startsWith("../") || p.startsWith("./")) {
                relPaths.add(p);
                relativeParentsFound.set(true);
            } else if (getDepth(p) > 1) {
                String parent = getParentPath(p);
                if (LucenePropertyIndex.isNodePath(p)) {
                    nodePath = parent;
                } else {
                    propertyPath = p;
                }
                relPaths.add(parent);
            } else {
                propertyPath = p;
                relPaths.add("");
            }
            if (nodePath != null && !indexingRule.isAggregated(nodePath)) {
                nonIndexedPaths.add(p);
            } else if (propertyPath != null) {
                PropertyDefinition pd = indexingRule.getConfig(propertyPath);
                // not indexed
                if (pd == null) {
                    nonIndexedPaths.add(p);
                } else if (!pd.analyzed) {
                    nonIndexedPaths.add(p);
                }
            }
            if (nodeScopedTerm(propertyName)) {
                nodeScopedCondition.set(true);
            }
        }
    });
    if (nodeScopedCondition.get() && !indexingRule.isNodeFullTextIndexed()) {
        return false;
    }
    if (relativeParentsFound.get()) {
        log.debug("Relative parents found {} which are not supported", relPaths);
        return false;
    }
    // have jcr:content as parent. So ensure that relPaths size is 1 or 0
    if (!nonIndexedPaths.isEmpty()) {
        if (relPaths.size() > 1) {
            log.debug("Following relative  property paths are not index", relPaths);
            return false;
        }
        result.setParentPath(Iterables.getOnlyElement(relPaths, ""));
        // Such non indexed path can possibly be evaluated via any rule on nt:base
        // which can possibly index everything
        IndexingRule rule = definition.getApplicableIndexingRule(NT_BASE);
        if (rule == null) {
            return false;
        }
        for (String p : nonIndexedPaths) {
            // if it indexes node scope indexing is enabled
            if (LucenePropertyIndex.isNodePath(p)) {
                if (!rule.isNodeFullTextIndexed()) {
                    return false;
                }
            } else {
                // Index can only evaluate a property like jcr:content/type
                // if it indexes 'type' and that too analyzed
                String propertyName = PathUtils.getName(p);
                PropertyDefinition pd = rule.getConfig(propertyName);
                if (pd == null) {
                    return false;
                }
                if (!pd.analyzed) {
                    return false;
                }
            }
        }
    } else {
        result.setParentPath("");
    }
    return true;
}

Example 8 with FullTextContains

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

the class LuceneIndex method getFullTextQuery.

static Query getFullTextQuery(FullTextExpression ft, final Analyzer analyzer, final IndexReader reader) {
    // 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) {
            return contains.getBase().accept(this);
        }

        @Override
        public boolean visit(FullTextOr or) {
            BooleanQuery q = new BooleanQuery();
            for (FullTextExpression e : or.list) {
                Query x = getFullTextQuery(e, analyzer, reader);
                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(e, analyzer, reader);
                /* 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 = propertyName;
            if (p != null && p.indexOf('/') >= 0) {
                p = getName(p);
            }
            Query q = tokenToQuery(text, p, analyzer, reader);
            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();
}