Examples of JPADriftChangeSet

org.rhq.core.domain.drift.JPADriftChangeSet

The JPA Drift Server plugin (the RHQ default) implementation of DriftChangeSet. A change set instance has slightly different behavior based on whether or not it is version zero, that is the initial change set. This is due to the way in which pinned templates are supported.

All change sets belong to a drift definition, and the definition is created from a {@link DriftDefinitionTemplate}. Templates can be pinned or unpinned. Each change set encapsulates a collection of changes that are represented by {@link JPADrift}. When a template is pinned there is a corresponding pinned snapshot that belongs to the template. Each definition created from that template uses that same pinned snapshot. In terms of implementation, the pinned snapshot is always change set version zero. As an optimization (of the default driftserver plugin data model design), the pinned snapshot is shared among definitions to avoid the overhead of making copies of what could potentially be very large numbers of Drift entities.

When an instance of this class represents change set version zero, different fields will be "live" (i.e., non-null and in use) versus when it is not the initial change set.

Note: Because persistence of this entity is managed by a drift server plugin, other entities managed by the RHQ core server cannot maintain direct references or JPA associations to this class. This restriction is necessary because entities managed by the RHQ core server interact with instance of this class through its drift entity interface which may have multiple implementation. Those implementations need not even be based on a RDBMS. Even though this entity is managed via a drift server plugin, it can maintain direct references and JPA associations to entities managed by the RHQ core server since they reside in the same database. That is however an implementation detail only of this class. It cannot be exposed in the drift interfaces.
@author Jay Shaughnessy @author John Sanda

Examples of org.rhq.core.domain.drift.JPADriftChangeSet

        criteria.fetchDrifts(true);


        PageList<JPADriftChangeSet> changeSets = jpaDriftServer.findDriftChangeSetsByCriteria(getOverlord(), criteria);
        assertEquals("Expected to find one change set", 1, changeSets.size());


        JPADriftChangeSet jpaChangeSet = changeSets.get(0);
        assertEquals("Expected change set to contain two drifts. This could be a result of the change set not being "
            + "persisted correctly or the criteria fetch being done incorrectly.", 2, jpaChangeSet.getDrifts().size());


        AssertUtils.assertPropertiesMatch("The change set was not persisted correctly", changeSet, jpaChangeSet, "id",
            "drifts", "class", "ctime");


        List<? extends Drift> expectedDrifts = asList(drift1, drift2);
        List<? extends Drift> actualDrifts = new ArrayList(jpaChangeSet.getDrifts());


        // We ignore the id and ctime properties because those are set by JPADriftServerBean
        // and are somewhat implmentation specific. We ignore the directory property because
        // it is really a calculated property. newDriftFile has to be compared separately
        // since it does not implement equals.

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet

        criteria.fetchDrifts(true);


        PageList<JPADriftChangeSet> changeSets = jpaDriftServer.findDriftChangeSetsByCriteria(getOverlord(), criteria);
        assertEquals("Expected to find one change set", 1, changeSets.size());


        JPADriftChangeSet jpaChangeSet = changeSets.get(0);
        assertEquals("Expected change set to contain two drifts. This could be a result of the change set not being "
            + "persisted correctly or the criteria fetch being done incorrectly.", 2, jpaChangeSet.getDrifts().size());


        AssertUtils.assertPropertiesMatch("The change set was not persisted correctly", changeSet, jpaChangeSet, "id",
            "drifts", "class", "ctime");


        List<? extends Drift> expectedDrifts = asList(drift1, drift2);
        List<? extends Drift> actualDrifts = new ArrayList(jpaChangeSet.getDrifts());


        // We ignore the id and ctime properties because those are set by JPADriftServerBean
        // and are somewhat implmentation specific. We ignore the directory property because
        // it is really a calculated property. newDriftFile has to be compared separately
        // since it does not implement equals.

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet

            drift2.getNewDriftFile(), findDriftByPath(actualDrifts, "drift.2").getNewDriftFile(), "class", "ctime");
    }


    public void copyChangeSet() {
        // first create the change set that will be copied
        final JPADriftChangeSet changeSet = new JPADriftChangeSet(null, 0, COVERAGE, null);
        changeSet.setDriftHandlingMode(normal);


        final JPADrift drift1 = new JPADrift(changeSet, "drift.1", FILE_ADDED, null, driftFile1);
        final JPADrift drift2 = new JPADrift(changeSet, "drift.2", FILE_ADDED, null, driftFile2);


        final JPADriftSet driftSet = new JPADriftSet();
        driftSet.addDrift(drift1);
        driftSet.addDrift(drift2);


        // next create the drift definition
        final DriftDefinition driftDef = new DriftDefinition(new Configuration());
        driftDef.setName(NAME_PREFIX + "copyChangeSet");
        driftDef.setEnabled(true);
        driftDef.setDriftHandlingMode(normal);
        driftDef.setInterval(2400L);
        driftDef.setBasedir(new DriftDefinition.BaseDirectory(fileSystem, "/foo/bar/test"));
        driftDef.setResource(resource);


        // persist the change set and drift definition
        executeInTransaction(false, new TransactionCallback() {
            @Override
            public void execute() throws Exception {
                em.persist(changeSet);
                em.persist(driftDef);
                em.persist(driftSet);
                changeSet.setInitialDriftSet(driftSet);
                em.merge(changeSet);
            }
        });


        jpaDriftServer.copyChangeSet(getOverlord(), changeSet.getId(), driftDef.getId(), resource.getId());


        // verify that the change set was created for the definition
        JPADriftChangeSetCriteria criteria = new JPADriftChangeSetCriteria();
        criteria.addFilterDriftDefinitionId(driftDef.getId());
        criteria.addFilterCategory(COVERAGE);


        PageList<JPADriftChangeSet> changeSets = jpaDriftServer.findDriftChangeSetsByCriteria(getOverlord(), criteria);


        assertEquals("Expected to get back one change set", 1, changeSets.size());


        JPADriftChangeSet newChangeSet = changeSets.get(0);
        Set<JPADrift> expectedDrifts = new HashSet<JPADrift>(asList(drift1, drift2));
        Set<JPADrift> actualDrifts = newChangeSet.getDrifts();


        AssertUtils.assertCollectionMatchesNoOrder("The change set drifts were not copied correctly", expectedDrifts,
            actualDrifts, "changeSet", "newDriftFile");
    }

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet

        final DriftDefinition attachedDef2 = createDefinition(template, NAME_PREFIX + "attachedDef2", true);
        final DriftDefinition detachedDef1 = createDefinition(template, NAME_PREFIX + "detachedDef1", false);
        final DriftDefinition detachedDef2 = createDefinition(template, NAME_PREFIX + "detachedDef2", false);


        // create initial change set from which the snapshot will be generated
        final JPADriftChangeSet changeSet0 = new JPADriftChangeSet(resource, 0, COVERAGE, attachedDef1);


        driftFile1 = new JPADriftFile(driftFile1Hash);
        drift1 = new JPADrift(changeSet0, drift1Path, FILE_ADDED, null, driftFile1);


        final JPADriftSet driftSet = new JPADriftSet();
        driftSet.addDrift(drift1);


        // create change set v1
        driftFile2 = new JPADriftFile(driftFile2Hash);
        final JPADriftChangeSet changeSet1 = new JPADriftChangeSet(resource, 1, DRIFT, attachedDef1);
        drift2 = new JPADrift(changeSet1, drift2Path, FILE_ADDED, null, driftFile2);


        executeInTransaction(false, new TransactionCallback() {
            @Override
            public void execute() throws Exception {

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet

        PageList<? extends DriftChangeSet<?>> changeSets = driftMgr.findDriftChangeSetsByCriteria(getOverlord(),
            criteria);


        assertEquals("Expected to find change set for pinned template", 1, changeSets.size());


        JPADriftChangeSet expectedChangeSet = new JPADriftChangeSet(resource, 1, COVERAGE, null);
        List<? extends Drift> expectedDrifts = asList(new JPADrift(expectedChangeSet, drift1Path, FILE_ADDED, null,
            driftFile1), new JPADrift(expectedChangeSet, drift2.getPath(), FILE_ADDED, null, driftFile2));


        DriftChangeSet<?> actualChangeSet = changeSets.get(0);
        List<? extends Drift> actualDrifts = new ArrayList(actualChangeSet.getDrifts());

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet

        final DriftDefinition attachedDef2 = createDefinition(template, NAME_PREFIX + "attachedDef2", true);
        final DriftDefinition detachedDef1 = createDefinition(template, NAME_PREFIX + "detachedDef1", false);
        final DriftDefinition detachedDef2 = createDefinition(template, NAME_PREFIX + "detachedDef2", false);


        // create some change sets
        final JPADriftChangeSet changeSet0 = new JPADriftChangeSet(resource, 0, COVERAGE, attachedDef1);


        driftFile1 = new JPADriftFile(driftFile1Hash);
        drift1 = new JPADrift(changeSet0, drift1Path, FILE_ADDED, null, driftFile1);


        final JPADriftSet driftSet0 = new JPADriftSet();
        driftSet0.addDrift(drift1);


        final JPADriftChangeSet changeSet1 = new JPADriftChangeSet(resource, 0, DRIFT, detachedDef1);


        driftFile2 = new JPADriftFile(driftFile2Hash);
        drift2 = new JPADrift(changeSet1, drift2Path, FILE_ADDED, null, driftFile2);


        final JPADriftSet driftSet1 = new JPADriftSet();
        driftSet1.addDrift(drift2);


        executeInTransaction(false, new TransactionCallback() {
            @Override
            public void execute() throws Exception {
                em.persist(attachedDef1);
                em.persist(attachedDef2);
                em.persist(detachedDef1);
                em.persist(detachedDef2);


                em.persist(driftFile1);
                em.persist(driftFile2);


                em.persist(changeSet0);
                em.persist(driftSet0);
                changeSet0.setInitialDriftSet(driftSet0);
                em.merge(changeSet0);


                em.persist(changeSet1);
                em.persist(driftSet1);
                changeSet1.setInitialDriftSet(driftSet1);
                em.merge(changeSet1);
            }
        });


        // delete the template
        templateMgr.deleteTemplate(getOverlord(), template.getId());


        // verify that attached definitions along with their change sets have
        // been deleted
        assertNull("Change sets belonging to attached definitions should be deleted", loadChangeSet(changeSet0.getId()));
        assertNull("Attached definition " + toString(attachedDef1) + " should be deleted",
            loadDefinition(attachedDef1.getId()));
        assertNull("Attached definition " + toString(attachedDef2) + " should be deleted",
            loadDefinition(attachedDef2.getId()));


        // verify that detached definitions along with their change sets have not been deleted
        assertNotNull("Change sets belonging to detached definitions should not be deleted",
            loadChangeSet(changeSet1.getId()));
        assertDetachedDefinitionNotDeleted(detachedDef1.getId());
        assertDetachedDefinitionNotDeleted(detachedDef2.getId());


        // verify that the template itself has been deleted
        assertNull("The template " + toString(template) + " should have been deleted",

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet


        PageList<? extends DriftChangeSet<?>> changeSets = driftMgr.findDriftChangeSetsByCriteria(getOverlord(),
            criteria);
        assertEquals("Expected to find one change set", 1, changeSets.size());


        JPADriftChangeSet expectedChangeSet = new JPADriftChangeSet(resource, 1, COVERAGE, null);
        List<? extends Drift> expectedDrifts = asList(new JPADrift(expectedChangeSet, drift1.getPath(), FILE_ADDED,
            null, driftFile1), new JPADrift(expectedChangeSet, drift2.getPath(), FILE_ADDED, null, driftFile2));


        DriftChangeSet<?> actualChangeSet = changeSets.get(0);
        List<? extends Drift> actualDrifts = new ArrayList(actualChangeSet.getDrifts());

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet


    public void pinningSnapshotShouldSetDriftDefAsPinned() {
        final DriftDefinition driftDef = createAndPersistDriftDef(NAME_PREFIX + "setPinnedFlag");


        // create initial change set
        final JPADriftChangeSet changeSet = new JPADriftChangeSet(resource, 0, COVERAGE, driftDef);


        final JPADriftFile driftFile1 = new JPADriftFile(NAME_PREFIX + "a1b2c3");
        JPADrift drift = new JPADrift(changeSet, "drift.1", FILE_ADDED, null, driftFile1);


        final JPADriftSet driftSet = new JPADriftSet();
        driftSet.addDrift(drift);


        executeInTransaction(false, new TransactionCallback() {
            @Override
            public void execute() throws Exception {
                EntityManager em = getEntityManager();
                em.persist(driftFile1);
                em.persist(changeSet);
                em.persist(driftSet);
                changeSet.setInitialDriftSet(driftSet);
                em.merge(changeSet);
            }
        });


        driftMgr.pinSnapshot(getOverlord(), driftDef.getId(), 0);

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet

    @SuppressWarnings("unchecked")
    public void pinningSnapshotShouldMakeSnapshotTheInitialChangeSet() throws Exception {
        final DriftDefinition driftDef = createAndPersistDriftDef(NAME_PREFIX + "makeSnapshotVersionZero");


        // create initial change set
        final JPADriftChangeSet changeSet0 = new JPADriftChangeSet(resource, 0, COVERAGE, driftDef);


        final JPADriftFile driftFile1 = new JPADriftFile(NAME_PREFIX + "a1b2c3");
        JPADrift drift1 = new JPADrift(changeSet0, "drift.1", FILE_ADDED, null, driftFile1);


        final JPADriftSet driftSet = new JPADriftSet();
        driftSet.addDrift(drift1);


        // create change set v1
        final JPADriftFile driftFile2 = new JPADriftFile(NAME_PREFIX + "1a2b3c");
        final JPADriftChangeSet changeSet1 = new JPADriftChangeSet(resource, 1, DRIFT, driftDef);
        final JPADrift drift2 = new JPADrift(changeSet1, "drift.2", FILE_ADDED, null, driftFile2);


        executeInTransaction(false, new TransactionCallback() {
            @Override
            public void execute() throws Exception {
                EntityManager em = getEntityManager();
                em.persist(driftFile1);
                em.persist(driftFile2);
                em.persist(changeSet0);
                em.persist(driftSet);
                changeSet0.setInitialDriftSet(driftSet);
                em.merge(changeSet0);
                em.persist(changeSet1);
                em.persist(drift2);
            }
        });


        driftMgr.pinSnapshot(getOverlord(), driftDef.getId(), 1);


        // Verify that there is now only one change set for the drift def
        GenericDriftChangeSetCriteria criteria = new GenericDriftChangeSetCriteria();
        criteria.addFilterDriftDefinitionId(driftDef.getId());


        PageList<? extends DriftChangeSet<?>> changeSets = driftMgr.findDriftChangeSetsByCriteria(getOverlord(),
            criteria);
        assertEquals("All change sets except the change set representing the pinned snapshot should be removed", 1,
            changeSets.size());
        DriftChangeSet<?> changeSet = changeSets.get(0);


        assertEquals("The pinned snapshot version should be reset to zero", 0, changeSet.getVersion());
        assertEquals("The change set category is wrong", COVERAGE, changeSet.getCategory());


        JPADriftChangeSet expectedChangeSet = new JPADriftChangeSet(resource, 1, COVERAGE, driftDef);
        List<? extends Drift> expectedDrifts = asList(new JPADrift(expectedChangeSet, drift1.getPath(), FILE_ADDED,
            null, driftFile1), new JPADrift(expectedChangeSet, drift2.getPath(), FILE_ADDED, null, driftFile2));


        List<? extends Drift> actualDrifts = new ArrayList(changeSet.getDrifts());

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Examples of org.rhq.core.domain.drift.JPADriftChangeSet


    public void pinningSnapshotShouldSendRequestToAgent() {
        final DriftDefinition driftDef = createAndPersistDriftDef(NAME_PREFIX + "setPinnedFlag");


        // create initial change set
        final JPADriftChangeSet changeSet = new JPADriftChangeSet(resource, 0, COVERAGE, driftDef);


        final JPADriftFile driftFile1 = new JPADriftFile(NAME_PREFIX + "a1b2c3");
        JPADrift drift = new JPADrift(changeSet, "drift.1", FILE_ADDED, null, driftFile1);


        final JPADriftSet driftSet = new JPADriftSet();
        driftSet.addDrift(drift);


        executeInTransaction(false, new TransactionCallback() {
            @Override
            public void execute() throws Exception {
                EntityManager em = getEntityManager();
                em.persist(driftFile1);
                em.persist(changeSet);
                em.persist(driftSet);
                changeSet.setInitialDriftSet(driftSet);
                em.merge(changeSet);
            }
        });


        final AtomicBoolean agentInvoked = new AtomicBoolean(false);

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