本文整理汇总了Java中com.yahoo.memory.WritableMemory.wrap方法的典型用法代码示例。如果您正苦于以下问题：Java WritableMemory.wrap方法的具体用法？Java WritableMemory.wrap怎么用？Java WritableMemory.wrap使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.yahoo.memory.WritableMemory的用法示例。
在下文中一共展示了WritableMemory.wrap方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: invalidSerVer
import com.yahoo.memory.WritableMemory; //导入方法依赖的package包/类
@Test
public void invalidSerVer() {
final int nRows = 3;
final int nCols = 3;
final Matrix m = generateIncreasingEye(nRows, nCols);
final byte[] sketchBytes = m.toByteArray();
final WritableMemory mem = WritableMemory.wrap(sketchBytes);
MatrixPreambleUtil.insertSerVer(mem.getArray(), mem.getCumulativeOffset(0L), 0);
try {
MatrixImplOjAlgo.heapifyInstance(mem);
fail();
} catch (final IllegalArgumentException e) {
// expected
}
}
示例2: invalidFamily
import com.yahoo.memory.WritableMemory; //导入方法依赖的package包/类
@Test
public void invalidFamily() {
final int nRows = 3;
final int nCols = 3;
final Matrix m = generateIncreasingEye(nRows, nCols);
final byte[] sketchBytes = m.toByteArray();
final WritableMemory mem = WritableMemory.wrap(sketchBytes);
MatrixPreambleUtil.insertFamilyID(mem.getArray(), mem.getCumulativeOffset(0L), 0);
try {
MatrixImplOjAlgo.heapifyInstance(mem);
fail();
} catch (final IllegalArgumentException e) {
// expected
}
}
示例3: invalidSerVer
import com.yahoo.memory.WritableMemory; //导入方法依赖的package包/类
@Test
public void invalidSerVer() {
final int nRows = 50;
final int nCols = 75;
final MatrixBuilder mb = new MatrixBuilder();
final Matrix m = mb.build(nRows, nCols);
final byte[] sketchBytes = m.toByteArray();
final WritableMemory mem = WritableMemory.wrap(sketchBytes);
MatrixPreambleUtil.insertSerVer(mem.getArray(), mem.getCumulativeOffset(0L), 0);
try {
MatrixPreambleUtil.preambleToString(mem);
fail();
} catch (final IllegalArgumentException e) {
// expected
}
}
示例4: invalidFamily
import com.yahoo.memory.WritableMemory; //导入方法依赖的package包/类
@Test
public void invalidFamily() {
final int nRows = 3;
final int nCols = 3;
final MatrixBuilder mb = new MatrixBuilder();
final Matrix m = mb.build(nRows, nCols);
final byte[] sketchBytes = m.toByteArray();
final WritableMemory mem = WritableMemory.wrap(sketchBytes);
MatrixPreambleUtil.insertFamilyID(mem.getArray(), mem.getCumulativeOffset(0L), 0);
try {
MatrixPreambleUtil.preambleToString(mem);
fail();
} catch (final IllegalArgumentException e) {
// expected
}
}
示例5: toByteArray
import com.yahoo.memory.WritableMemory; //导入方法依赖的package包/类
/**
* Returns a serialized representation of the sketch.
* @return A serialized representation of the sketch.
*/
public byte[] toByteArray() {
final boolean empty = isEmpty();
final int familyId = MatrixFamily.FREQUENTDIRECTIONS.getID();
final Matrix wrapB = Matrix.wrap(B_);
final int preLongs = empty
? MatrixFamily.FREQUENTDIRECTIONS.getMinPreLongs()
: MatrixFamily.FREQUENTDIRECTIONS.getMaxPreLongs();
final int mtxBytes = empty ? 0 : wrapB.getCompactSizeBytes(nextZeroRow_, d_);
final int outBytes = (preLongs * Long.BYTES) + mtxBytes;
final byte[] outArr = new byte[outBytes];
final WritableMemory memOut = WritableMemory.wrap(outArr);
final Object memObj = memOut.getArray();
final long memAddr = memOut.getCumulativeOffset(0L);
insertPreLongs(memObj, memAddr, preLongs);
insertSerVer(memObj, memAddr, SER_VER);
insertFamilyID(memObj, memAddr, familyId);
insertFlags(memObj, memAddr, (empty ? EMPTY_FLAG_MASK : 0));
insertK(memObj, memAddr, k_);
insertNumRows(memObj, memAddr, nextZeroRow_);
insertNumColumns(memObj, memAddr, d_);
if (empty) {
return outArr;
}
insertN(memObj, memAddr, n_);
insertSVAdjustment(memObj, memAddr, svAdjustment_);
memOut.putByteArray(preLongs * Long.BYTES,
wrapB.toCompactByteArray(nextZeroRow_, d_), 0, mtxBytes);
return outArr;
}