Examples with DescendantAxis org.sirix.axis.DescendantAxis used on opensource projects

Example 16 with DescendantAxis

use of org.sirix.axis.DescendantAxis in project sirix by sirixdb.

the class XPathParser method parseRelativePathExpr.

/**
 * Parses the the rule RelativePathExpr according to the following production rule:
 * <p>
 * [26] RelativePathExpr ::= StepExpr (("/" | "//") StepExpr)* .
 * </p>
 *
 * @throws SirixXPathException
 */
private void parseRelativePathExpr() throws SirixXPathException {
    parseStepExpr();
    while (mToken.getType() == TokenType.SLASH || mToken.getType() == TokenType.DESC_STEP) {
        if (is(TokenType.DESC_STEP, true)) {
            final Axis axis = new DescendantAxis(getTransaction(), IncludeSelf.YES);
            mPipeBuilder.addStep(axis);
        } else {
            // in this case the slash is just a separator
            consume(TokenType.SLASH, true);
        }
        parseStepExpr();
    }
}

Example 17 with DescendantAxis

use of org.sirix.axis.DescendantAxis in project sirix by sirixdb.

the class MultipleCommitTest method testAttributeRemove.

@Test
public void testAttributeRemove() throws SirixException {
    DocumentCreater.create(holder.getWriter());
    holder.getWriter().commit();
    holder.getWriter().moveToDocumentRoot();
    final AbstractAxis postorderAxis = new PostOrderAxis(holder.getWriter());
    while (postorderAxis.hasNext()) {
        postorderAxis.next();
        if (holder.getWriter().getKind() == Kind.ELEMENT && holder.getWriter().getAttributeCount() > 0) {
            for (int i = 0, attrCount = holder.getWriter().getAttributeCount(); i < attrCount; i++) {
                holder.getWriter().moveToAttribute(i);
                holder.getWriter().remove();
            }
        }
    }
    holder.getWriter().commit();
    holder.getWriter().moveToDocumentRoot();
    int attrTouch = 0;
    final Axis descAxis = new DescendantAxis(holder.getWriter());
    while (descAxis.hasNext()) {
        descAxis.next();
        if (holder.getWriter().getKind() == Kind.ELEMENT) {
            for (int i = 0, attrCount = holder.getWriter().getAttributeCount(); i < attrCount; i++) {
                if (holder.getWriter().moveToAttribute(i).hasMoved()) {
                    attrTouch++;
                } else {
                    throw new IllegalStateException("Should never occur!");
                }
            }
        }
    }
    assertEquals(0, attrTouch);
}

Example 18 with DescendantAxis

use of org.sirix.axis.DescendantAxis in project sirix by sirixdb.

the class ConcurrentAxisTest method testPartConcurrentDescAxis2.

/**
 * Test concurrent.
 *
 * @throws SirixXPathException
 */
// @Bench
@Test
public void testPartConcurrentDescAxis2() throws Exception {
    /* query: //regions/africa//location */
    final int resultNumber = 55;
    final XdmNodeReadTrx firstConcurrRtx = holder.getResourceManager().beginNodeReadTrx();
    final Axis axis = new NestedAxis(new NestedAxis(new FilterAxis(new DescendantAxis(firstConcurrRtx, IncludeSelf.YES), new NameFilter(firstConcurrRtx, "regions")), new FilterAxis(new ChildAxis(firstConcurrRtx), new NameFilter(firstConcurrRtx, "africa"))), new ConcurrentAxis(firstConcurrRtx, new FilterAxis(new DescendantAxis(holder.getReader(), IncludeSelf.YES), new NameFilter(holder.getReader(), "location"))));
    for (int i = 0; i < resultNumber; i++) {
        assertEquals(true, axis.hasNext());
        axis.next();
    }
    assertEquals(axis.hasNext(), false);
}

Example 19 with DescendantAxis

use of org.sirix.axis.DescendantAxis in project sirix by sirixdb.

the class ConcurrentAxisTest method testConcurrent.

/**
 * Test concurrent.
 *
 * @throws SirixException
 *
 * @throws SirixXPathException
 */
// @Bench
@Test
public void testConcurrent() throws Exception {
    /* query: //regions/africa//location */
    final int resultNumber = 55;
    final XdmNodeReadTrx firstConcurrRtx = holder.getResourceManager().beginNodeReadTrx();
    final XdmNodeReadTrx secondConcurrRtx = holder.getResourceManager().beginNodeReadTrx();
    final XdmNodeReadTrx thirdConcurrRtx = holder.getResourceManager().beginNodeReadTrx();
    final XdmNodeReadTrx firstRtx = holder.getResourceManager().beginNodeReadTrx();
    final XdmNodeReadTrx secondRtx = holder.getResourceManager().beginNodeReadTrx();
    final XdmNodeReadTrx thirdRtx = holder.getResourceManager().beginNodeReadTrx();
    final Axis axis = new NestedAxis(new NestedAxis(new ConcurrentAxis(firstConcurrRtx, new FilterAxis(new DescendantAxis(firstRtx, IncludeSelf.YES), new NameFilter(firstRtx, "regions"))), new ConcurrentAxis(secondConcurrRtx, new FilterAxis(new ChildAxis(secondRtx), new NameFilter(secondRtx, "africa")))), new ConcurrentAxis(thirdConcurrRtx, new FilterAxis(new DescendantAxis(thirdRtx, IncludeSelf.YES), new NameFilter(thirdRtx, "location"))));
    for (int i = 0; i < resultNumber; i++) {
        assertEquals(true, axis.hasNext());
        axis.next();
    }
    assertEquals(false, axis.hasNext());
}

Example 20 with DescendantAxis

use of org.sirix.axis.DescendantAxis in project sirix by sirixdb.

the class ElementFilterTest method testFluentIterable.

@Test
public void testFluentIterable() throws SirixException {
    final XdmNodeReadTrx rtx = holder.getReader();
    final Iterator<Long> results = FluentIterable.from(new DescendantAxis(rtx)).filter(new ElementFilter(rtx)).limit(2).iterator();
    AbsAxisTest.testIterable(results, new long[] { 1, 5 });
}