Examples with Filter org.sirix.api.Filter used on opensource projects

Example 6 with Filter

use of org.sirix.api.Filter in project sirix by sirixdb.

the class TemporalFilterAxis method computeNext.

@Override
protected XdmNodeReadTrx computeNext() {
    while (mAxis.hasNext()) {
        final XdmNodeReadTrx rtx = mAxis.next();
        boolean filterResult = true;
        for (final Filter filter : mAxisFilter) {
            filter.setTrx(rtx);
            filterResult = filterResult && filter.filter();
            if (!filterResult) {
                break;
            }
        }
        if (filterResult) {
            return mAxis.getTrx();
        }
    }
    return endOfData();
}

Example 7 with Filter

use of org.sirix.api.Filter in project sirix by sirixdb.

the class FilterAxis method nextKey.

@Override
protected long nextKey() {
    while (mAxis.hasNext()) {
        final long nodeKey = mAxis.next();
        boolean filterResult = true;
        for (final Filter filter : mAxisFilter) {
            filterResult = filterResult && filter.filter();
            if (!filterResult) {
                break;
            }
        }
        if (filterResult) {
            return nodeKey;
        }
    }
    return done();
}

Example 8 with Filter

use of org.sirix.api.Filter in project sirix by sirixdb.

the class XPathParser method parseAbbrevForwardStep.

/**
 * Parses the the rule AbrevForwardStep according to the following production rule:
 * <p>
 * [31] AbbrevForwardStep ::= "@"? NodeTest .
 * </p>
 *
 * @return FilterAxis
 */
private AbstractAxis parseAbbrevForwardStep() {
    AbstractAxis axis;
    boolean isAttribute;
    if (is(TokenType.AT, true) || mToken.getContent().equals("attribute") || mToken.getContent().equals("schema-attribute")) {
        // in case of .../attribute(..), or .../schema-attribute() the
        // default
        // axis
        // is the attribute axis
        axis = new AttributeAxis(getTransaction());
        isAttribute = true;
    } else {
        // default axis is the child axis
        axis = new ChildAxis(getTransaction());
        isAttribute = false;
    }
    final Filter filter = parseNodeTest(isAttribute);
    return new FilterAxis(axis, filter);
}

Example 9 with Filter

use of org.sirix.api.Filter in project sirix by sirixdb.

the class XPathParser method parseForwardStep.

/**
 * Parses the the rule ForwardStep according to the following production rule:
 * <p>
 * [29] ForwardStep ::= (ForwardAxis NodeTest) | AbbrevForwardStep .
 * </p>
 *
 * @throws SirixXPathException
 */
private void parseForwardStep() throws SirixXPathException {
    Axis axis;
    Filter filter;
    if (isForwardAxis()) {
        axis = parseForwardAxis();
        filter = parseNodeTest(axis.getClass() == AttributeAxis.class);
        mPipeBuilder.addStep(axis, filter);
    } else {
        axis = parseAbbrevForwardStep();
        mPipeBuilder.addStep(axis);
    }
}

Example 10 with Filter

use of org.sirix.api.Filter in project sirix by sirixdb.

the class XPathParser method parseSchemaAttributeTest.

/**
 * Parses the the rule SchemaAttributeTest according to the following production rule:
 * <p>
 * [61] SchemaAttributeTest ::= <"schema-attribute" "("> AttributeDeclaration ")" .
 * </p>
 *
 * @return filter
 */
private Filter parseSchemaAttributeTest() {
    consume("schema-attribute", true);
    consume(TokenType.OPEN_BR, true);
    final Filter filter = new SchemaAttributeFilter(getTransaction());
    consume(TokenType.CLOSE_BR, true);
    return filter;
}