Examples with PageCache org.neo4j.io.pagecache.PageCache used on opensource projects

Example 51 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class ManyPropertyKeysIT method databaseWithManyPropertyKeys.

private GraphDatabaseAPI databaseWithManyPropertyKeys(int propertyKeyCount) throws IOException {
    PageCache pageCache = pageCacheRule.getPageCache(fileSystemRule.get());
    StoreFactory storeFactory = new StoreFactory(storeDir, pageCache, fileSystemRule.get(), NullLogProvider.getInstance());
    NeoStores neoStores = storeFactory.openAllNeoStores(true);
    PropertyKeyTokenStore store = neoStores.getPropertyKeyTokenStore();
    for (int i = 0; i < propertyKeyCount; i++) {
        PropertyKeyTokenRecord record = new PropertyKeyTokenRecord((int) store.nextId());
        record.setInUse(true);
        Collection<DynamicRecord> nameRecords = store.allocateNameRecords(PropertyStore.encodeString(key(i)));
        record.addNameRecords(nameRecords);
        record.setNameId((int) Iterables.first(nameRecords).getId());
        store.updateRecord(record);
    }
    neoStores.close();
    return database();
}

Example 52 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class StoreFilesTest method deleteMustNotDeleteFilesInIgnoredDirectories.

@Test
public void deleteMustNotDeleteFilesInIgnoredDirectories() throws Exception {
    File dir = getBaseDir();
    File ignore = new File(dir, "ignore");
    File a = new File(dir, "a");
    File b = new File(dir, "b");
    File c = new File(ignore, "c");
    File d = new File(ignore, "d");
    createOnFileSystem(a);
    createOnFileSystem(c);
    createOnPageCache(b);
    createOnPageCache(d);
    FilenameFilter filter = (directory, name) -> !name.startsWith("ignore");
    storeFiles = new StoreFiles(fs, pageCache, filter);
    storeFiles.delete(dir);
    assertFalse(fs.fileExists(a));
    assertFalse(pc.fileExists(b));
    assertTrue(fs.fileExists(c));
    assertTrue(pc.fileExists(d));
}

Example 53 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class StoreFilesTest method moveMustIgnoreFilesFilteredOut.

@Test
public void moveMustIgnoreFilesFilteredOut() throws Exception {
    File base = getBaseDir();
    File src = new File(base, "src");
    File a = new File(src, "a");
    File b = new File(src, "b");
    File ignore = new File(src, "ignore");
    File c = new File(ignore, "c");
    File d = new File(ignore, "d");
    File tgt = new File(base, "tgt");
    createOnFileSystem(a);
    createOnPageCache(b);
    createOnFileSystem(c);
    createOnPageCache(d);
    // Ensure the 'tgt' directory exists
    createOnFileSystem(new File(tgt, ".fs-ignore"));
    createOnPageCache(new File(tgt, ".pc-ignore"));
    FilenameFilter filter = (directory, name) -> !name.startsWith("ignore");
    storeFiles = new StoreFiles(fs, pageCache, filter);
    storeFiles.moveTo(src, tgt);
    assertFalse(fs.fileExists(a));
    assertFalse(pc.fileExists(b));
    assertTrue(fs.fileExists(c));
    assertTrue(pc.fileExists(d));
    assertTrue(fs.fileExists(new File(tgt, "a")));
    assertTrue(pc.fileExists(new File(tgt, "b")));
}

Example 54 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class StoreFilesTest method isEmptyMustFindFilesBothOnFileSystemAndPageCache.

@Test
public void isEmptyMustFindFilesBothOnFileSystemAndPageCache() throws Exception {
    File dir = getBaseDir();
    File ignore = new File(dir, "ignore");
    File a = new File(dir, "a");
    File b = new File(dir, "b");
    File c = new File(dir, "c");
    File d = new File(dir, "d");
    createOnFileSystem(a);
    createOnFileSystem(c);
    createOnFileSystem(ignore);
    createOnPageCache(b);
    createOnPageCache(d);
    createOnPageCache(ignore);
    FilenameFilter filter = (directory, name) -> !name.startsWith("ignore");
    storeFiles = new StoreFiles(fs, pageCache, filter);
    List<File> filesOnFilesystem = Arrays.asList(new File[] { a, c });
    List<File> fileOnFilesystem = Arrays.asList(new File[] { a });
    List<File> filesOnPageCache = Arrays.asList(new File[] { b, d });
    List<File> fileOnPageCache = Arrays.asList(new File[] { b });
    List<File> ingore = Arrays.asList(new File[] { ignore });
    assertFalse(storeFiles.isEmpty(dir, filesOnFilesystem));
    assertFalse(storeFiles.isEmpty(dir, fileOnFilesystem));
    assertFalse(storeFiles.isEmpty(dir, filesOnPageCache));
    assertFalse(storeFiles.isEmpty(dir, fileOnPageCache));
    assertTrue(storeFiles.isEmpty(dir, Collections.emptyList()));
    assertTrue(storeFiles.isEmpty(dir, ingore));
}

Example 55 with PageCache

use of org.neo4j.io.pagecache.PageCache in project neo4j by neo4j.

the class TestStoreId method assertAllStoresHaveTheSameStoreId.

public static void assertAllStoresHaveTheSameStoreId(List<File> coreStoreDirs, FileSystemAbstraction fs) throws IOException {
    Set<StoreId> storeIds = new HashSet<>();
    try (PageCache pageCache = StandalonePageCacheFactory.createPageCache(fs)) {
        for (File coreStoreDir : coreStoreDirs) {
            storeIds.add(doReadStoreId(coreStoreDir, pageCache));
        }
    }
    assertEquals("Store Ids " + storeIds, 1, storeIds.size());
}