Examples of org.apache.cayenne.ObjectId

org.apache.cayenne.ObjectId
A portable global identifier for persistent objects. ObjectId can be temporary (used for transient or new uncommitted objects) or permanent (used for objects that have been already stored in DB). A temporary ObjectId stores object entity name and a pseudo-unique binary key; permanent id stores a map of values from an external persistent store (aka "primary key"). @author Andrus Adamchik

        // apply snapshot diffs
        if (!diffs.isEmpty()) {
            Iterator it = diffs.entrySet().iterator();
            while (it.hasNext()) {
                Map.Entry entry = (Map.Entry) it.next();
                ObjectId key = (ObjectId) entry.getKey();
                DataRow oldSnapshot = (DataRow) snapshots.remove(key);


                if (oldSnapshot == null) {
                    continue;
                }

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            // we can assume that there is one and only one DbRelationship as
            // we previously checked that "!isSourceIndependentFromTargetChange"
            DbRelationship dbRelationship = relationship.getDbRelationships().get(0);


            ObjectId targetId = sourceRow.createTargetObjectId(relationship
                    .getTargetEntityName(), dbRelationship);


            // null id means that FK is null...
            if (targetId == null) {
                this.response = new GenericResponse(Collections.EMPTY_LIST);

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public class ClientChannelTest extends CayenneCase {


    public void testOnQuerySelect() {


        final MockPersistentObject o1 = new MockPersistentObject();
        ObjectId oid1 = new ObjectId("test_entity");
        o1.setObjectId(oid1);


        ClientConnection connection = mock(ClientConnection.class);
        when(connection.sendMessage((ClientMessage) any())).thenAnswer(
                new Answer<Object>() {

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        EntityResolver resolver = new EntityResolver(entities);


        CayenneContext context = new CayenneContext();
        context.setEntityResolver(resolver);


        ObjectId oid = new ObjectId("test_entity", "x", "y");


        MockPersistentObject o1 = new MockPersistentObject(oid);
        context.getGraphManager().registerNode(oid, o1);
        assertSame(o1, context.getGraphManager().getNode(oid));

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    public void testTernary() throws Exception {
        doExpressionTest(new TstTernaryExpSuite());
    }


    public void testExtras() throws Exception {
        ObjectId oid1 = new ObjectId("Gallery", "GALLERY_ID", 1);
        ObjectId oid2 = new ObjectId("Gallery", "GALLERY_ID", 2);
        Gallery g1 = new Gallery();
        Gallery g2 = new Gallery();
        g1.setObjectId(oid1);
        g2.setObjectId(oid2);

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        DataRow row = new DataRow(10);
        row.put("ARTIST_ID", new Integer(1));
        row.put("ARTIST_NAME", "ArtistXYZ");
        row.put("DATE_OF_BIRTH", new Date());
        DataObject obj = context.objectFromDataRow(Artist.class, row);
        ObjectId oid = obj.getObjectId();


        assertEquals(PersistenceState.COMMITTED, obj.getPersistenceState());
        assertSame(context, obj.getObjectContext());
        assertSame(obj, context.getGraphManager().getNode(oid));

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        DataRow row = new DataRow(10);
        row.put("ARTIST_ID", new Integer(1));
        row.put("ARTIST_NAME", "ArtistXYZ");
        row.put("DATE_OF_BIRTH", new Date());
        DataObject obj = context.objectFromDataRow(Artist.class, row);
        ObjectId oid = obj.getObjectId();


        assertEquals(PersistenceState.COMMITTED, obj.getPersistenceState());
        assertSame(context, obj.getObjectContext());
        assertSame(obj, context.getGraphManager().getNode(oid));

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        DataContext context = createDataContext();
        DataContext peerContext = createDataContext();


        Persistent _new = context.newObject(Artist.class);


        Persistent hollow = context.localObject(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                33001), null);
        DataObject committed = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("MODDED");
        DataObject deleted = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        context.deleteObject(deleted);

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        DataContext peerContext = createDataContext();


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        Artist peerModified = (Artist) Cayenne.objectForQuery(
                peerContext,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));


        modified.setArtistName("M1");

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        DataContext context = createDataContext();
        ObjectContext childContext = context.createChildContext();


        Persistent _new = context.newObject(Artist.class);


        Persistent hollow = context.localObject(new ObjectId(
                "Artist",
                Artist.ARTIST_ID_PK_COLUMN,
                33001), null);
        DataObject committed = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33002)));


        int modifiedId = 33003;
        Artist modified = (Artist) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        modifiedId)));
        modified.setArtistName("M1");
        DataObject deleted = (DataObject) Cayenne.objectForQuery(
                context,
                new ObjectIdQuery(new ObjectId(
                        "Artist",
                        Artist.ARTIST_ID_PK_COLUMN,
                        33004)));
        context.deleteObject(deleted);

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Related Classes of org.apache.cayenne.ObjectId

com.adaptrex.core.persistence.cayenne.CayenneAssociationType

com.adaptrex.core.persistence.cayenne.CayenneCollectionType

com.adaptrex.core.persistence.cayenne.CayennePersistenceManager

org.apache.cayenne.access.ChildDiffLoader

org.apache.cayenne.access.ClientReturnDiffFilter

org.apache.cayenne.access.ClientServerChannelQueryAction

org.apache.cayenne.access.ClientServerChannelTest

org.apache.cayenne.access.DataContext

org.apache.cayenne.access.DataContextEntityWithMeaningfulPKTest

org.apache.cayenne.access.DataContextExtrasTest

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