Examples with Constraint com.emc.storageos.db.client.constraint.Constraint used on opensource projects

Example 21 with Constraint

use of com.emc.storageos.db.client.constraint.Constraint in project coprhd-controller by CoprHD.

the class Joiner method queryClass.

/**
 * Implements join and selection for a Class Query.
 * Algorithm:
 * 1. If indexed selection(s) are used, determine the possible URIs for the result
 * set of this Class Query from the intersection of the selection criteria.
 * 2. Execute the class query (joining with a previous class if specified).
 * 3. Do all the selctions (including those that are not indexed.)
 *
 * @param jc
 */
private void queryClass(JClass jc) {
    // Handle an indexed selections.
    // All the index selections are logically ANDed together.
    Set<URI> selectionUris = null;
    List<JSelection> selectionList = jc.getSelections();
    for (JSelection js : selectionList) {
        // id field is a special case; no need to query anything; just add the id field values to selectionURI's
        Set<URI> allValueUris = new HashSet<URI>();
        if (jc.getMetaData().isId(js.getField())) {
            for (Object value : js.getValues()) {
                if (value == null || value.equals("")) {
                    continue;
                }
                allValueUris.add(URI.create(value.toString()));
            }
            if (selectionUris == null) {
                selectionUris = new HashSet<URI>();
                selectionUris.addAll(allValueUris);
            } else {
                selectionUris = andUriSet(selectionUris, allValueUris);
            }
        } else if (jc.getMetaData().isAltIdIndex(js.getField()) || jc.getMetaData().isPrefixIndex(js.getField())) {
            // Process alternate id indexes. These are logically ANDed together.
            for (Object value : js.getValues()) {
                if (value == null || value.equals("")) {
                    continue;
                }
                Constraint constraint = jc.getMetaData().buildConstraint(js.getField(), value.toString());
                allValueUris.addAll(engine.queryByConstraint(constraint));
            }
            if (selectionUris == null) {
                selectionUris = new HashSet<URI>();
                selectionUris.addAll(allValueUris);
            } else {
                selectionUris = andUriSet(selectionUris, allValueUris);
            }
        }
    }
    if (jc.getSubJClasses() != null) {
        joinSubClasses(jc);
    } else if (jc.getJoinToField() != null) {
        // join B.id in A.field
        joinBid2A(jc, selectionUris);
    } else if (jc.getField() != null) {
        // join A.id in B.field
        joinAid2B(jc, selectionUris);
    } else if (jc.getJoinToAlias() == null) {
        // Independent query not joining to previous result
        Set<URI> uris = selectionUris;
        if (uris == null) {
            uris = engine.queryByType(jc.getClazz());
        }
        // Iterate through the URIs for result
        Iterator iter = engine.queryIterObject(jc.getClazz(), uris);
        jc.setCacheValid(true);
        while (iter.hasNext()) {
            DataObject dobj = (DataObject) iter.next();
            // If selections are specified, make sure they pass.
            if (testSelections(jc, dobj) == false) {
                continue;
            }
            jc.addToCache(dobj);
            jc.getUris().add(dobj.getId());
        }
    } else {
        throw new JoinerException("Unrecognized join");
    }
}

Example 22 with Constraint

use of com.emc.storageos.db.client.constraint.Constraint in project coprhd-controller by CoprHD.

the class DbClientTest method testPrefixPaginateConstraint.

@Test
public void testPrefixPaginateConstraint() throws Exception {
    int objCount = 10;
    List<VirtualArray> varrays = createVirtualArrays(10, "foo");
    Constraint labelConstraint = PrefixConstraint.Factory.getLabelPrefixConstraint(VirtualArray.class, "foo");
    queryInPaginate(labelConstraint, URIQueryResultList.class, objCount, pageSize);
}

Example 23 with Constraint

use of com.emc.storageos.db.client.constraint.Constraint in project coprhd-controller by CoprHD.

the class DbClientTest method testRemoveIndex.

@Test
public void testRemoveIndex() {
    StoragePool pool = createStoragePools(1, "storagepool").iterator().next();
    List<Volume> vols = createVolumes(3, "volume", null, pool);
    Constraint constraint = ContainmentConstraint.Factory.getVirtualPoolVolumeConstraint(pool.getId());
    URIQueryResultList results = new URIQueryResultList();
    _dbClient.queryByConstraint(constraint, results);
    Assert.assertEquals(size(results), 3);
    // delete the index records
    if (InternalDbClient.class.isAssignableFrom(_dbClient.getClass())) {
        ((InternalDbClient) _dbClient).removeFieldIndex(Volume.class, "pool", "RelationIndex");
        URIQueryResultList results2 = new URIQueryResultList();
        _dbClient.queryByConstraint(constraint, results2);
        Assert.assertFalse(results2.iterator().hasNext());
    } else {
        Assert.fail("testRemoveIndex requires InternalDbClient");
    }
}

Example 24 with Constraint

use of com.emc.storageos.db.client.constraint.Constraint in project coprhd-controller by CoprHD.

the class DbClientTest method testContainmentPaginateConstraint.

@Test
public void testContainmentPaginateConstraint() throws Exception {
    TenantOrg tenant = new TenantOrg();
    tenant.setId(URIUtil.createId(TenantOrg.class));
    _dbClient.createObject(tenant);
    int objCount = 10;
    List<Project> projects = createProjects(objCount, tenant);
    Constraint constraint = ContainmentConstraint.Factory.getTenantOrgProjectConstraint(tenant.getId());
    queryInPaginate(constraint, URIQueryResultList.class, objCount, pageSize);
}

Example 25 with Constraint

use of com.emc.storageos.db.client.constraint.Constraint in project coprhd-controller by CoprHD.

the class DbClientTest method testContainmentPermissionsPaginateConstraint.

@Test
public void testContainmentPermissionsPaginateConstraint() throws Exception {
    int objCount = 10;
    String indexKey = "indexKey1";
    List<TenantOrg> tenants = createTenants(objCount, "test tenant", indexKey);
    Constraint constraint = ContainmentPermissionsConstraint.Factory.getTenantsWithPermissionsConstraint(indexKey);
    queryInPaginate(constraint, URIQueryResultList.class, objCount, 3, 5);
}