Examples with StoredContent v7db.files.spi.StoredContent used on opensource projects

Example 1 with StoredContent

use of v7db.files.spi.StoredContent in project v7files by thiloplanz.

the class MongoContentStorage method getContent.

public Content getContent(ContentPointer pointer) throws IOException {
    if (pointer == null)
        return null;
    if (pointer instanceof InlineContent)
        return (Content) pointer;
    if (pointer instanceof ContentSHA) {
        ContentSHA p = (ContentSHA) pointer;
        byte[] sha = p.getSHA();
        Content base = getContent(sha);
        if (base == null)
            throw new IllegalArgumentException("base SHA not found: " + Hex.encodeHexString(sha));
        return base;
    }
    if (pointer instanceof StoredContent) {
        StoredContent p = (StoredContent) pointer;
        byte[] sha = p.getBaseSHA();
        Content base = getContent(sha);
        if (base == null)
            throw new IllegalArgumentException("base SHA not found: " + Hex.encodeHexString(sha));
        if (p.getLength() != base.getLength()) {
            return new OffsetAndLength(base, 0, p.getLength());
        }
        return base;
    }
    throw new IllegalArgumentException(pointer.getClass().toString());
}

Example 2 with StoredContent

use of v7db.files.spi.StoredContent in project v7files by thiloplanz.

the class MongoReferenceTracking method updateReferences.

public void updateReferences(Object ownerId, ContentPointer... contents) throws IOException {
    List<byte[]> content = new ArrayList<byte[]>();
    for (ContentPointer cp : contents) {
        if (cp instanceof InlineContent)
            continue;
        if (cp instanceof StoredContent)
            content.add(((StoredContent) cp).getBaseSHA());
        else if (cp instanceof ContentSHA)
            content.add(((ContentSHA) cp).getSHA());
        else
            throw new IllegalArgumentException(cp.getClass().getName());
    }
    WriteResult r = refCollection.update(new BasicDBObject("_id", ownerId), new BasicDBObject("$set", new BasicDBObject("refs", content)).append("$addToSet", new BasicDBObject("refHistory", new BasicDBObject("$each", content))), false, false, WriteConcern.SAFE);
    if (r.getN() == 1)
        return;
    if (r.getN() != 0)
        throw new IllegalStateException();
    refCollection.insert(WriteConcern.SAFE, new BasicDBObject("_id", ownerId).append("refs", content).append("refHistory", content));
}

Example 3 with StoredContent

use of v7db.files.spi.StoredContent in project v7files by thiloplanz.

the class MongoReferenceTrackingTest method testInsert.

public void testInsert() throws MongoException, IOException {
    Mongo mongo = getMongo();
    ReferenceTracking refs = new MongoReferenceTracking(mongo.getDB("test").getCollection("v7files.refs"));
    Object owner = new DBRef(null, "test", "test");
    refs.updateReferences(owner, new StoredContent(new byte[20], 1000));
    assertMockMongoFieldContains(new byte[20], "test.v7files.refs", owner, "refs");
    assertMockMongoFieldContains(new byte[20], "test.v7files.refs", owner, "refHistory");
    mongo.close();
}

Example 4 with StoredContent

use of v7db.files.spi.StoredContent in project v7files by thiloplanz.

the class MongoReferenceTrackingTest method testUpdate.

public void testUpdate() throws MongoException, IOException {
    byte[] oldRef = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
    prepareMockData("test.v7files.refs", new BasicBSONObject("_id", "x").append("refs", new Object[] { oldRef }).append("refHistory", new Object[] { oldRef }));
    Mongo mongo = getMongo();
    ReferenceTracking refs = new MongoReferenceTracking(mongo.getDB("test").getCollection("v7files.refs"));
    refs.updateReferences("x", new StoredContent(new byte[20], 1000));
    assertMockMongoFieldContains(new byte[20], "test.v7files.refs", "x", "refs");
    assertMockMongoFieldContains(new byte[20], "test.v7files.refs", "x", "refHistory");
    assertMockMongoFieldDoesNotContain(oldRef, "test.v7files.refs", "x", "refs");
    assertMockMongoFieldContains(oldRef, "test.v7files.refs", "x", "refHistory");
    mongo.close();
}

Example 5 with StoredContent

use of v7db.files.spi.StoredContent in project v7files by thiloplanz.

the class MongoContentStorage method getContent.

/**
 * Supported formats: 1) Serialized ContentPointers, e.g.
 *
 * <pre>
 * { in: [bytes] }
 * </pre>
 *
 * and
 *
 * <pre>
 * { sha: <sha>, length: 123 }
 * </pre>
 *
 * 2) Internal StorageScheme representations (must have {store: something}")
 */
public Content getContent(Map<String, Object> data) throws IOException {
    if (data == null)
        return null;
    String store = MapUtils.getString(data, "store");
    if (store == null || "raw".equals(store)) {
        if (data.containsKey("in"))
            return InlineContent.deserialize(data);
        if (data.containsKey("sha")) {
            return new StoredContent((byte[]) data.get("sha"), MapUtils.getRequiredLong(data, "length")).loadOrLazyLoad(this, 8 * 1024);
        }
        throw new UnsupportedOperationException(data.toString());
    }
    StorageScheme s = storageSchemes.get(store);
    if (s == null)
        throw new UnsupportedOperationException(store);
    return s.getContent(this, data);
}