Examples with Children org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.Children used on opensource projects

Example 1 with Children

use of org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.Children in project jackrabbit-oak by apache.

the class DocumentMK method getNodes.

public String getNodes(String path, String revisionId, int depth, long offset, int maxChildNodes, String filter) throws DocumentStoreException {
    if (depth != 0) {
        throw new DocumentStoreException("Only depth 0 is supported, depth is " + depth);
    }
    revisionId = revisionId != null ? revisionId : nodeStore.getHeadRevision().toString();
    RevisionVector rev = RevisionVector.fromString(revisionId);
    try {
        DocumentNodeState n = nodeStore.getNode(path, rev);
        if (n == null) {
            return null;
        }
        JsopStream json = new JsopStream();
        boolean includeId = filter != null && filter.contains(":id");
        includeId |= filter != null && filter.contains(":hash");
        json.object();
        append(n, json, includeId);
        int max;
        if (maxChildNodes == -1) {
            max = Integer.MAX_VALUE;
            maxChildNodes = Integer.MAX_VALUE;
        } else {
            // use long to avoid overflows
            long m = ((long) maxChildNodes) + offset;
            max = (int) Math.min(m, Integer.MAX_VALUE);
        }
        Children c = nodeStore.getChildren(n, null, max);
        for (long i = offset; i < c.children.size(); i++) {
            if (maxChildNodes-- <= 0) {
                break;
            }
            String name = c.children.get((int) i);
            json.key(name).object().endObject();
        }
        if (c.hasMore) {
            json.key(":childNodeCount").value(Long.MAX_VALUE);
        } else {
            json.key(":childNodeCount").value(c.children.size());
        }
        json.endObject();
        return json.toString();
    } catch (DocumentStoreException e) {
        throw new DocumentStoreException(e);
    }
}

Example 2 with Children

use of org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.Children in project jackrabbit-oak by apache.

the class SimpleTest method commit.

@Test
public void commit() {
    DocumentMK mk = createMK();
    DocumentNodeStore ns = mk.getNodeStore();
    String rev = mk.commit("/", "+\"test\":{\"name\": \"Hello\"}", null, null);
    String test = mk.getNodes("/test", rev, 0, 0, Integer.MAX_VALUE, null);
    assertEquals("{\"name\":\"Hello\",\":childNodeCount\":0}", test);
    String r0 = mk.commit("/test", "+\"a\":{\"name\": \"World\"}", null, null);
    String r1 = mk.commit("/test", "+\"b\":{\"name\": \"!\"}", null, null);
    test = mk.getNodes("/test", r0, 0, 0, Integer.MAX_VALUE, null);
    DocumentNodeState n = ns.getNode("/", RevisionVector.fromString(r0));
    assertNotNull(n);
    Children c = ns.getChildren(n, null, Integer.MAX_VALUE);
    assertEquals("[test]", c.toString());
    n = ns.getNode("/test", RevisionVector.fromString(r1));
    assertNotNull(n);
    c = ns.getChildren(n, null, Integer.MAX_VALUE);
    assertEquals("[a, b]", c.toString());
    rev = mk.commit("", "^\"/test\":1", null, null);
    test = mk.getNodes("/", rev, 0, 0, Integer.MAX_VALUE, null);
    assertEquals("{\"test\":1,\"test\":{},\":childNodeCount\":1}", test);
// System.out.println(test);
}

Example 3 with Children

use of org.apache.jackrabbit.oak.plugins.document.DocumentNodeState.Children in project jackrabbit-oak by apache.

the class SimpleTest method delete.

@Test
public void delete() {
    DocumentMK mk = createMK();
    DocumentNodeStore ns = mk.getNodeStore();
    mk.commit("/", "+\"testDel\":{\"name\": \"Hello\"}", null, null);
    mk.commit("/testDel", "+\"a\":{\"name\": \"World\"}", null, null);
    mk.commit("/testDel", "+\"b\":{\"name\": \"!\"}", null, null);
    String r1 = mk.commit("/testDel", "+\"c\":{\"name\": \"!\"}", null, null);
    DocumentNodeState n = ns.getNode("/testDel", RevisionVector.fromString(r1));
    assertNotNull(n);
    Children c = ns.getChildren(n, null, Integer.MAX_VALUE);
    assertEquals(3, c.children.size());
    String r2 = mk.commit("/testDel", "-\"c\"", null, null);
    n = ns.getNode("/testDel", RevisionVector.fromString(r2));
    assertNotNull(n);
    c = ns.getChildren(n, null, Integer.MAX_VALUE);
    assertEquals(2, c.children.size());
    String r3 = mk.commit("/", "-\"testDel\"", null, null);
    n = ns.getNode("/testDel", RevisionVector.fromString(r3));
    assertNull(n);
}