Examples of org.apache.xindice.core.meta.MetaData

org.apache.xindice.core.meta.MetaData

Implements the MetaData interface.

 <meta> <system [type="doc|col"] [href="uri"]/> <attrs> <attr name="name" value="value"/> <attr name="name" value="value"/> </attrs> <custom> ... </custom> </meta>

@author ku @author Dave Viner

        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        assertNotNull("MetaData is not found for document " + DOCUMENT_ID1 + "!", data);
        assertTrue("Creation time is 0!", data.getCreatedTime() != 0);
        assertTrue("Modification time is 0!", data.getLastModifiedTime() != 0);
        long created0 = data.getCreatedTime();
        long modified0 = data.getLastModifiedTime();


        // Sleep and get it again
        Thread.sleep(150);
        data = service.getMetaData(DOCUMENT_ID1);
        long created1 = data.getCreatedTime();
        long modified1 = data.getLastModifiedTime();
        assertEquals("Creation time changed on 2nd get (diff: "+ (created1 - created0) +")!", created0, created1);
        assertEquals("Modification time changed on 2nd get (diff: "+ (modified1 - modified0) +")!", modified0, modified1);


        // Sleep and update the document and get data again
        Thread.sleep(150);
        this.client.updateDocument(TEST_COLLECTION_PATH, DOCUMENT_ID1, DOCUMENT2);


        data = service.getMetaData(DOCUMENT_ID1);
        assertNotNull("MetaData is not found for document " + DOCUMENT_ID1 + " after update!", data);
        long created2 = data.getCreatedTime();
        long modified2 = data.getLastModifiedTime();
        assertEquals("Creation time changed on update (diff: "+ (created2 - created1) +")!", created1, created2);
        assertTrue("Modification time has not changed on update!", modified1 != modified2);
    }

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        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData();
        long created0 = data.getCreatedTime();
        long modified0 = data.getLastModifiedTime();


        // Sleep and set metadata
        Thread.sleep(150);
        data.setContext(created0 - 500, modified0 - 500);
        service.setMetaData(data);


        // Get metadata again
        data = service.getMetaData();
        long created1 = data.getCreatedTime();
        long modified1 = data.getLastModifiedTime();
        assertEquals("Creation time changed on set (diff: "+ (created1 - created0) +")!", created0, created1);
        assertEquals("Modification time changed on set (diff: "+ (modified1 - modified0) +")!", modified0, modified1);
    }

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        // Get meta service
        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        long created0 = data.getCreatedTime();
        long modified0 = data.getLastModifiedTime();


        // Sleep and set metadata
        Thread.sleep(150);
        data.setContext(created0 - 500, modified0 - 500);
        service.setMetaData(DOCUMENT_ID1, data);


        // Get metadata again
        data = service.getMetaData(DOCUMENT_ID1);
        long created1 = data.getCreatedTime();
        long modified1 = data.getLastModifiedTime();
        assertEquals("Creation time changed on set (diff: "+ (created1 - created0) +")!", created0, created1);
        assertEquals("Modification time changed on set (diff: "+ (modified1 - modified0) +")!", modified0, modified1);
    }

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        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        String value0 = "MetaAttributeValue" + System.currentTimeMillis();
        MetaData data = service.getMetaData();
        data.setAttribute(ATTRIBUTE_ID, value0);
        service.setMetaData(data);


        // Get metadata again
        data = service.getMetaData();
        String value1 = (String)data.getAttribute(ATTRIBUTE_ID);
        assertEquals("Attribute value does not match!", value0, value1);
    }

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        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        // Get meta data
        String value0 = "MetaAttributeValue" + System.currentTimeMillis();
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        data.setAttribute(ATTRIBUTE_ID, value0);
        service.setMetaData(DOCUMENT_ID1, data);


        // Get metadata again
        data = service.getMetaData(DOCUMENT_ID1);
        String value1 = (String)data.getAttribute(ATTRIBUTE_ID);
        assertEquals("Attribute value does not match!", value0, value1);
    }

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        Collection col = this.client.getCollection(TEST_COLLECTION_PATH);
        MetaService service = (MetaService) col.getService("MetaService", "1.0");


        String custom0 = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<mycustom xmlns=\"\">meta</mycustom>";
        // Get meta & set custom document
        MetaData data = service.getMetaData(DOCUMENT_ID1);
        data.setCustomDocument(DOMParser.toDocument(custom0));
        service.setMetaData(DOCUMENT_ID1, data);


        // Get metadata again
        data = service.getMetaData(DOCUMENT_ID1);
        String custom1 = TextWriter.toString(data.getCustomDocument());
        assertEquals("Custom meta document does not match", custom0, custom1);
    }

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        newResource.setContent(new byte[] { 0x00, 0x10, 0x01, 0x11 });
    collection.storeResource(newResource);
    String id = newResource.getId();


        MetaService service = (MetaService)collection.getService("MetaService", "1.0");
        MetaData meta = service.getMetaData(id);
    assertNotNull("Meta should be in there", meta);


        meta.setAttribute("test", "attribute");
        service.setMetaData(id, meta);
        meta = service.getMetaData(id);
        assertNotNull("Meta should be in there", meta);
        assertEquals("Attribute should not be in there", "attribute", meta.getAttribute("test"));
  }

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        if (!message.containsKey(NAME)) {
            throw new Exception(MISSING_NAME_PARAM);
        }
        String docname = (String) message.get(NAME);
        MetaData meta = col.getDocumentMeta(docname);
        Document doc = new DocumentImpl();
        doc.appendChild(meta.streamToXML(doc, true));


        Map result = new HashMap(3);
        result.put(RESULT, TextWriter.toString(doc));
        return result;
    }

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            }
            return null;
        }


        MetaSystemCollection metacol = getMetaSystemCollection();
        MetaData meta = metacol.getCollectionMeta(this);
        if (null == meta) {
            long now = System.currentTimeMillis();
            meta = new MetaData(MetaData.COLLECTION, getCanonicalName(), now, now);
            metacol.setCollectionMeta(this, meta);
        }


        return meta;
    }

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                throw new DBException(FaultCodes.COL_DOCUMENT_NOT_FOUND,
                                      "Resource '" + id + "' does not exist in '" + getCanonicalName() + "'");
            }


            MetaSystemCollection metacol = getMetaSystemCollection();
            MetaData meta = metacol.getDocumentMeta(this, id);


            /*
            FIXME It is more efficient to store (and retrieve) created/modified timestamps
                  from the Record itself instead of storing them in the separate MetaData
                  object. Storing in the Record avoids writing two documents on each update
                  (Document itself and its MetaData).
                  Retrieval of the timestamps from Record can be implemented via TimeRecord.


            TimeRecord rec = null;
            if( null == meta || !meta.hasContext() )
               rec = getDatabase().getTime(path);


            long created = (null != rec) ? rec.getCreatedTime() : System.currentTimeMillis();
            long modified = (null != rec) ? rec.getModifiedTime() : System.currentTimeMillis();
            */


            // this is wrong.. but it should work for now...
            long now = System.currentTimeMillis();
            if (null == meta) {
                meta = new MetaData(MetaData.DOCUMENT, getCanonicalDocumentName(id), now, now);
                metacol.setDocumentMeta(this, id, meta);
            } else if (!meta.hasContext()) {
                meta.setContext(now, now);
            }


            return meta;
        }
    }

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