Java Code Examples for org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf#slice()
The following examples show how to use
org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf#slice() .
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Example 1
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 6 votes |
|
private void testSliceContents(boolean retainedSlice) {
ByteBuf buf = newBuffer(8).resetWriterIndex();
ByteBuf expected = newBuffer(3).resetWriterIndex();
buf.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
expected.writeBytes(new byte[] {4, 5, 6});
ByteBuf slice = retainedSlice ? buf.retainedSlice(buf.readerIndex() + 3, 3)
: buf.slice(buf.readerIndex() + 3, 3);
try {
assertEquals(0, slice.compareTo(expected));
assertEquals(0, slice.compareTo(slice.duplicate()));
ByteBuf b = slice.retainedDuplicate();
assertEquals(0, slice.compareTo(b));
b.release();
assertEquals(0, slice.compareTo(slice.slice(0, slice.capacity())));
} finally {
if (retainedSlice) {
slice.release();
}
buf.release();
expected.release();
}
}
Example 2
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
|
private void testSliceOutOfBounds(boolean initRetainedSlice, boolean finalRetainedSlice, boolean indexOutOfBounds) {
ByteBuf buf = newBuffer(8);
ByteBuf slice = initRetainedSlice ? buf.retainedSlice(buf.readerIndex() + 1, 2)
: buf.slice(buf.readerIndex() + 1, 2);
try {
assertEquals(2, slice.capacity());
assertEquals(2, slice.maxCapacity());
final int index = indexOutOfBounds ? 3 : 0;
final int length = indexOutOfBounds ? 0 : 3;
if (finalRetainedSlice) {
// This is expected to fail ... so no need to release.
slice.retainedSlice(index, length);
} else {
slice.slice(index, length);
}
} finally {
if (initRetainedSlice) {
slice.release();
}
buf.release();
}
}
Example 3
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
|
private void testSliceContents(boolean retainedSlice) {
ByteBuf buf = newBuffer(8).resetWriterIndex();
ByteBuf expected = newBuffer(3).resetWriterIndex();
buf.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
expected.writeBytes(new byte[] {4, 5, 6});
ByteBuf slice = retainedSlice ? buf.retainedSlice(buf.readerIndex() + 3, 3)
: buf.slice(buf.readerIndex() + 3, 3);
try {
assertEquals(0, slice.compareTo(expected));
assertEquals(0, slice.compareTo(slice.duplicate()));
ByteBuf b = slice.retainedDuplicate();
assertEquals(0, slice.compareTo(b));
b.release();
assertEquals(0, slice.compareTo(slice.slice(0, slice.capacity())));
} finally {
if (retainedSlice) {
slice.release();
}
buf.release();
expected.release();
}
}
Example 4
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 6 votes |
|
private void testSliceContents(boolean retainedSlice) {
ByteBuf buf = newBuffer(8).resetWriterIndex();
ByteBuf expected = newBuffer(3).resetWriterIndex();
buf.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
expected.writeBytes(new byte[] {4, 5, 6});
ByteBuf slice = retainedSlice ? buf.retainedSlice(buf.readerIndex() + 3, 3)
: buf.slice(buf.readerIndex() + 3, 3);
try {
assertEquals(0, slice.compareTo(expected));
assertEquals(0, slice.compareTo(slice.duplicate()));
ByteBuf b = slice.retainedDuplicate();
assertEquals(0, slice.compareTo(b));
b.release();
assertEquals(0, slice.compareTo(slice.slice(0, slice.capacity())));
} finally {
if (retainedSlice) {
slice.release();
}
buf.release();
expected.release();
}
}
Example 5
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 6 votes |
|
private void testSliceOutOfBounds(boolean initRetainedSlice, boolean finalRetainedSlice, boolean indexOutOfBounds) {
ByteBuf buf = newBuffer(8);
ByteBuf slice = initRetainedSlice ? buf.retainedSlice(buf.readerIndex() + 1, 2)
: buf.slice(buf.readerIndex() + 1, 2);
try {
assertEquals(2, slice.capacity());
assertEquals(2, slice.maxCapacity());
final int index = indexOutOfBounds ? 3 : 0;
final int length = indexOutOfBounds ? 0 : 3;
if (finalRetainedSlice) {
// This is expected to fail ... so no need to release.
slice.retainedSlice(index, length);
} else {
slice.slice(index, length);
}
} finally {
if (initRetainedSlice) {
slice.release();
}
buf.release();
}
}
Example 6
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
private void testSliceCapacityChange(boolean retainedSlice) {
ByteBuf buf = newBuffer(8);
ByteBuf slice = retainedSlice ? buf.retainedSlice(buf.readerIndex() + 1, 3)
: buf.slice(buf.readerIndex() + 1, 3);
try {
slice.capacity(10);
} finally {
if (retainedSlice) {
slice.release();
}
buf.release();
}
}
Example 7
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
private void testSliceCapacityChange(boolean retainedSlice) {
ByteBuf buf = newBuffer(8);
ByteBuf slice = retainedSlice ? buf.retainedSlice(buf.readerIndex() + 1, 3)
: buf.slice(buf.readerIndex() + 1, 3);
try {
slice.capacity(10);
} finally {
if (retainedSlice) {
slice.release();
}
buf.release();
}
}
Example 8
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
@Test
public void testDuplicateAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertDuplicateFailAfterRelease(buf, buf2, buf3);
}
Example 9
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
@Test
public void testRetainedSliceAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertRetainedSliceFailAfterRelease(buf, buf2, buf3);
}
Example 10
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
@Test
public void testSliceAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertSliceFailAfterRelease(buf, buf2, buf3);
}
Example 11
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Test
public void testSliceAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertSliceFailAfterRelease(buf, buf2, buf3);
}
Example 12
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
@Test
public void testDuplicateAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertDuplicateFailAfterRelease(buf, buf2, buf3);
}
Example 13
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
@Test
public void testRetainedSliceAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertRetainedSliceFailAfterRelease(buf, buf2, buf3);
}
Example 14
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 5 votes |
|
@Test
public void testSliceAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertSliceFailAfterRelease(buf, buf2, buf3);
}
Example 15
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
private void testSliceCapacityChange(boolean retainedSlice) {
ByteBuf buf = newBuffer(8);
ByteBuf slice = retainedSlice ? buf.retainedSlice(buf.readerIndex() + 1, 3)
: buf.slice(buf.readerIndex() + 1, 3);
try {
slice.capacity(10);
} finally {
if (retainedSlice) {
slice.release();
}
buf.release();
}
}
Example 16
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Test
public void testDuplicateAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertDuplicateFailAfterRelease(buf, buf2, buf3);
}
Example 17
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
|
@Test
public void testRetainedSliceAfterReleaseRetainedDuplicateSlice() {
ByteBuf buf = newBuffer(1);
ByteBuf buf2 = buf.retainedDuplicate();
ByteBuf buf3 = buf2.slice(0, 1);
assertRetainedSliceFailAfterRelease(buf, buf2, buf3);
}
Example 18
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 4 votes |
|
private void testMultipleLevelRetainedSliceWithNonRetained(boolean doSlice1, boolean doSlice2) {
ByteBuf buf = newBuffer(8).resetWriterIndex();
ByteBuf expected1 = newBuffer(6).resetWriterIndex();
ByteBuf expected2 = newBuffer(4).resetWriterIndex();
ByteBuf expected3 = newBuffer(2).resetWriterIndex();
ByteBuf expected4SliceSlice = newBuffer(1).resetWriterIndex();
ByteBuf expected4DupSlice = newBuffer(1).resetWriterIndex();
buf.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
expected1.writeBytes(new byte[] {2, 3, 4, 5, 6, 7});
expected2.writeBytes(new byte[] {3, 4, 5, 6});
expected3.writeBytes(new byte[] {4, 5});
expected4SliceSlice.writeBytes(new byte[] {5});
expected4DupSlice.writeBytes(new byte[] {4});
ByteBuf slice1 = buf.retainedSlice(buf.readerIndex() + 1, 6);
assertEquals(0, slice1.compareTo(expected1));
// Simulate a handler that releases the original buffer, and propagates a slice.
buf.release();
ByteBuf slice2 = slice1.retainedSlice(slice1.readerIndex() + 1, 4);
assertEquals(0, slice2.compareTo(expected2));
assertEquals(0, slice2.compareTo(slice2.duplicate()));
assertEquals(0, slice2.compareTo(slice2.slice()));
ByteBuf tmpBuf = slice2.retainedDuplicate();
assertEquals(0, slice2.compareTo(tmpBuf));
tmpBuf.release();
tmpBuf = slice2.retainedSlice();
assertEquals(0, slice2.compareTo(tmpBuf));
tmpBuf.release();
ByteBuf slice3 = doSlice1 ? slice2.slice(slice2.readerIndex() + 1, 2) : slice2.duplicate();
if (doSlice1) {
assertEquals(0, slice3.compareTo(expected3));
} else {
assertEquals(0, slice3.compareTo(expected2));
}
ByteBuf slice4 = doSlice2 ? slice3.slice(slice3.readerIndex() + 1, 1) : slice3.duplicate();
if (doSlice1 && doSlice2) {
assertEquals(0, slice4.compareTo(expected4SliceSlice));
} else if (doSlice2) {
assertEquals(0, slice4.compareTo(expected4DupSlice));
} else {
assertEquals(0, slice3.compareTo(slice4));
}
// Cleanup the expected buffers used for testing.
assertTrue(expected1.release());
assertTrue(expected2.release());
assertTrue(expected3.release());
assertTrue(expected4SliceSlice.release());
assertTrue(expected4DupSlice.release());
// Slice 4, 3, and 2 should effectively "share" a reference count.
slice4.release();
assertEquals(slice3.refCnt(), slice2.refCnt());
assertEquals(slice3.refCnt(), slice4.refCnt());
// Slice 1 should also release the original underlying buffer without throwing exceptions
assertTrue(slice1.release());
// Reference counting may be shared, or may be independently tracked, but at this point all buffers should
// be deallocated and have a reference count of 0.
assertEquals(0, buf.refCnt());
assertEquals(0, slice1.refCnt());
assertEquals(0, slice2.refCnt());
assertEquals(0, slice3.refCnt());
}
Example 19
| Source File: AbstractByteBufTest.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
private void testMultipleLevelRetainedSliceWithNonRetained(boolean doSlice1, boolean doSlice2) {
ByteBuf buf = newBuffer(8).resetWriterIndex();
ByteBuf expected1 = newBuffer(6).resetWriterIndex();
ByteBuf expected2 = newBuffer(4).resetWriterIndex();
ByteBuf expected3 = newBuffer(2).resetWriterIndex();
ByteBuf expected4SliceSlice = newBuffer(1).resetWriterIndex();
ByteBuf expected4DupSlice = newBuffer(1).resetWriterIndex();
buf.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
expected1.writeBytes(new byte[] {2, 3, 4, 5, 6, 7});
expected2.writeBytes(new byte[] {3, 4, 5, 6});
expected3.writeBytes(new byte[] {4, 5});
expected4SliceSlice.writeBytes(new byte[] {5});
expected4DupSlice.writeBytes(new byte[] {4});
ByteBuf slice1 = buf.retainedSlice(buf.readerIndex() + 1, 6);
assertEquals(0, slice1.compareTo(expected1));
// Simulate a handler that releases the original buffer, and propagates a slice.
buf.release();
ByteBuf slice2 = slice1.retainedSlice(slice1.readerIndex() + 1, 4);
assertEquals(0, slice2.compareTo(expected2));
assertEquals(0, slice2.compareTo(slice2.duplicate()));
assertEquals(0, slice2.compareTo(slice2.slice()));
ByteBuf tmpBuf = slice2.retainedDuplicate();
assertEquals(0, slice2.compareTo(tmpBuf));
tmpBuf.release();
tmpBuf = slice2.retainedSlice();
assertEquals(0, slice2.compareTo(tmpBuf));
tmpBuf.release();
ByteBuf slice3 = doSlice1 ? slice2.slice(slice2.readerIndex() + 1, 2) : slice2.duplicate();
if (doSlice1) {
assertEquals(0, slice3.compareTo(expected3));
} else {
assertEquals(0, slice3.compareTo(expected2));
}
ByteBuf slice4 = doSlice2 ? slice3.slice(slice3.readerIndex() + 1, 1) : slice3.duplicate();
if (doSlice1 && doSlice2) {
assertEquals(0, slice4.compareTo(expected4SliceSlice));
} else if (doSlice2) {
assertEquals(0, slice4.compareTo(expected4DupSlice));
} else {
assertEquals(0, slice3.compareTo(slice4));
}
// Cleanup the expected buffers used for testing.
assertTrue(expected1.release());
assertTrue(expected2.release());
assertTrue(expected3.release());
assertTrue(expected4SliceSlice.release());
assertTrue(expected4DupSlice.release());
// Slice 4, 3, and 2 should effectively "share" a reference count.
slice4.release();
assertEquals(slice3.refCnt(), slice2.refCnt());
assertEquals(slice3.refCnt(), slice4.refCnt());
// Slice 1 should also release the original underlying buffer without throwing exceptions
assertTrue(slice1.release());
// Reference counting may be shared, or may be independently tracked, but at this point all buffers should
// be deallocated and have a reference count of 0.
assertEquals(0, buf.refCnt());
assertEquals(0, slice1.refCnt());
assertEquals(0, slice2.refCnt());
assertEquals(0, slice3.refCnt());
}
Example 20
| Source File: AbstractByteBufTest.java From flink with Apache License 2.0 | 4 votes |
|
private void testMultipleLevelRetainedSliceWithNonRetained(boolean doSlice1, boolean doSlice2) {
ByteBuf buf = newBuffer(8).resetWriterIndex();
ByteBuf expected1 = newBuffer(6).resetWriterIndex();
ByteBuf expected2 = newBuffer(4).resetWriterIndex();
ByteBuf expected3 = newBuffer(2).resetWriterIndex();
ByteBuf expected4SliceSlice = newBuffer(1).resetWriterIndex();
ByteBuf expected4DupSlice = newBuffer(1).resetWriterIndex();
buf.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8});
expected1.writeBytes(new byte[] {2, 3, 4, 5, 6, 7});
expected2.writeBytes(new byte[] {3, 4, 5, 6});
expected3.writeBytes(new byte[] {4, 5});
expected4SliceSlice.writeBytes(new byte[] {5});
expected4DupSlice.writeBytes(new byte[] {4});
ByteBuf slice1 = buf.retainedSlice(buf.readerIndex() + 1, 6);
assertEquals(0, slice1.compareTo(expected1));
// Simulate a handler that releases the original buffer, and propagates a slice.
buf.release();
ByteBuf slice2 = slice1.retainedSlice(slice1.readerIndex() + 1, 4);
assertEquals(0, slice2.compareTo(expected2));
assertEquals(0, slice2.compareTo(slice2.duplicate()));
assertEquals(0, slice2.compareTo(slice2.slice()));
ByteBuf tmpBuf = slice2.retainedDuplicate();
assertEquals(0, slice2.compareTo(tmpBuf));
tmpBuf.release();
tmpBuf = slice2.retainedSlice();
assertEquals(0, slice2.compareTo(tmpBuf));
tmpBuf.release();
ByteBuf slice3 = doSlice1 ? slice2.slice(slice2.readerIndex() + 1, 2) : slice2.duplicate();
if (doSlice1) {
assertEquals(0, slice3.compareTo(expected3));
} else {
assertEquals(0, slice3.compareTo(expected2));
}
ByteBuf slice4 = doSlice2 ? slice3.slice(slice3.readerIndex() + 1, 1) : slice3.duplicate();
if (doSlice1 && doSlice2) {
assertEquals(0, slice4.compareTo(expected4SliceSlice));
} else if (doSlice2) {
assertEquals(0, slice4.compareTo(expected4DupSlice));
} else {
assertEquals(0, slice3.compareTo(slice4));
}
// Cleanup the expected buffers used for testing.
assertTrue(expected1.release());
assertTrue(expected2.release());
assertTrue(expected3.release());
assertTrue(expected4SliceSlice.release());
assertTrue(expected4DupSlice.release());
// Slice 4, 3, and 2 should effectively "share" a reference count.
slice4.release();
assertEquals(slice3.refCnt(), slice2.refCnt());
assertEquals(slice3.refCnt(), slice4.refCnt());
// Slice 1 should also release the original underlying buffer without throwing exceptions
assertTrue(slice1.release());
// Reference counting may be shared, or may be independently tracked, but at this point all buffers should
// be deallocated and have a reference count of 0.
assertEquals(0, buf.refCnt());
assertEquals(0, slice1.refCnt());
assertEquals(0, slice2.refCnt());
assertEquals(0, slice3.refCnt());
}
