Examples with PropertyValue org.vertexium.property.PropertyValue used on opensource projects

Example 6 with PropertyValue

use of org.vertexium.property.PropertyValue in project vertexium by visallo.

the class GraphTestBase method testStreamingPropertyValueResetMutlipleLargeReadsUntilEnd.

@Test
public void testStreamingPropertyValueResetMutlipleLargeReadsUntilEnd() throws IOException {
    assumeTrue("InputStream mark/reset is not supported", isInputStreamMarkResetSupported());
    String expectedLargeValue = IOUtils.toString(new LargeStringInputStream(LARGE_PROPERTY_VALUE_SIZE));
    byte[] expectedLargeValueBytes = expectedLargeValue.getBytes();
    PropertyValue propLarge = StreamingPropertyValue.create(new ByteArrayInputStream(expectedLargeValue.getBytes()), String.class);
    graph.prepareVertex("v1", VISIBILITY_A).setProperty("propLarge", propLarge, VISIBILITY_A).save(AUTHORIZATIONS_A_AND_B);
    graph.flush();
    Vertex v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
    StreamingPropertyValue prop = (StreamingPropertyValue) v1.getPropertyValue("propLarge");
    InputStream in = prop.getInputStream();
    in.mark(2);
    for (int i = 0; i < 3; i++) {
        int totalBytesRead = 0;
        while (in.read() >= 0) {
            totalBytesRead++;
            assertTrue("Read past end of input stream", totalBytesRead <= expectedLargeValueBytes.length);
        }
        assertEquals("Read unexpected number of bytes on loop: " + i, expectedLargeValueBytes.length, totalBytesRead);
        assertEquals(-1, in.read());
        in.reset();
    }
}

Example 7 with PropertyValue

use of org.vertexium.property.PropertyValue in project vertexium by visallo.

the class GraphTestBase method testStreamingPropertyDecreasingSize.

@Test
public void testStreamingPropertyDecreasingSize() throws IOException {
    Metadata metadata = new Metadata();
    Long timestamp = System.currentTimeMillis();
    String expectedValue = IOUtils.toString(new LargeStringInputStream(LARGE_PROPERTY_VALUE_SIZE));
    PropertyValue propLarge = StreamingPropertyValue.create(new ByteArrayInputStream(expectedValue.getBytes()), String.class, (long) expectedValue.length());
    graph.prepareVertex("v1", VISIBILITY_A).addPropertyValue("key1", "largeProp", propLarge, metadata, timestamp, VISIBILITY_A).save(AUTHORIZATIONS_A_AND_B);
    graph.flush();
    Vertex v1 = graph.getVertex("v1", AUTHORIZATIONS_A_AND_B);
    StreamingPropertyValue spv = (StreamingPropertyValue) v1.getPropertyValue("key1", "largeProp");
    assertEquals(expectedValue, spv.readToString());
    // now save a smaller value, making sure it gets truncated
    expectedValue = "small";
    propLarge = StreamingPropertyValue.create(new ByteArrayInputStream(expectedValue.getBytes()), String.class, (long) expectedValue.length());
    graph.prepareVertex("v1", VISIBILITY_A).addPropertyValue("key1", "largeProp", propLarge, metadata, timestamp + 1, VISIBILITY_A).save(AUTHORIZATIONS_A_AND_B);
    graph.flush();
    v1 = graph.getVertex("v1", AUTHORIZATIONS_A_AND_B);
    spv = (StreamingPropertyValue) v1.getPropertyValue("key1", "largeProp");
    assertEquals(expectedValue, spv.readToString());
}

Example 8 with PropertyValue

use of org.vertexium.property.PropertyValue in project vertexium by visallo.

the class GraphTestBase method testStreamingPropertyValueMarkReset.

@Test
public void testStreamingPropertyValueMarkReset() throws IOException {
    assumeTrue("InputStream mark/reset is not supported", isInputStreamMarkResetSupported());
    String expectedLargeValue = "abcdefghijk";
    PropertyValue propLarge = StreamingPropertyValue.create(new ByteArrayInputStream(expectedLargeValue.getBytes()), String.class);
    graph.prepareVertex("v1", VISIBILITY_A).setProperty("propLarge", propLarge, VISIBILITY_A).save(AUTHORIZATIONS_A_AND_B);
    graph.flush();
    Vertex v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
    StreamingPropertyValue prop = (StreamingPropertyValue) v1.getPropertyValue("propLarge");
    InputStream in = prop.getInputStream();
    byte[] buffer = new byte[15];
    int sizeRead = in.read(buffer);
    assertEquals(11, sizeRead);
    assertEquals("abcdefghijk", new String(buffer, 0, sizeRead));
    in.reset();
    buffer = new byte[3];
    sizeRead = in.read(buffer);
    assertEquals(3, sizeRead);
    assertEquals("abc", new String(buffer, 0, sizeRead));
    assertEquals('d', (char) in.read());
    assertEquals('e', (char) in.read());
    in.mark(32);
    buffer = new byte[5];
    sizeRead = in.read(buffer);
    assertEquals(5, sizeRead);
    assertEquals("fghij", new String(buffer, 0, sizeRead));
    in.reset();
    buffer = new byte[10];
    sizeRead = in.read(buffer);
    assertEquals(6, sizeRead);
    assertEquals("fghijk", new String(buffer, 0, sizeRead));
    assertEquals(-1, in.read(buffer));
    in.reset();
    buffer = new byte[10];
    sizeRead = in.read(buffer);
    assertEquals(6, sizeRead);
    assertEquals("fghijk", new String(buffer, 0, sizeRead));
}