本文整理汇总了Java中com.facebook.presto.spi.block.Block.getSizeInBytes方法的典型用法代码示例。如果您正苦于以下问题：Java Block.getSizeInBytes方法的具体用法？Java Block.getSizeInBytes怎么用？Java Block.getSizeInBytes使用的例子？那么恭喜您, 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.facebook.presto.spi.block.Block的用法示例。
在下文中一共展示了Block.getSizeInBytes方法的3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: compact
import com.facebook.presto.spi.block.Block; //导入方法依赖的package包/类
public void compact()
{
for (int channel = 0; channel < types.size(); channel++) {
ObjectArrayList<Block> blocks = channels[channel];
for (int i = nextBlockToCompact; i < blocks.size(); i++) {
Block block = blocks.get(i);
if (block.getSizeInBytes() < block.getRetainedSizeInBytes()) {
// Copy the block to compact its size
Block compactedBlock = block.copyRegion(0, block.getPositionCount());
blocks.set(i, compactedBlock);
pagesMemorySize -= block.getRetainedSizeInBytes();
pagesMemorySize += compactedBlock.getRetainedSizeInBytes();
}
}
}
nextBlockToCompact = channels[0].size();
estimatedSize = calculateEstimatedSize();
}
示例2: getSizeInBytes
import com.facebook.presto.spi.block.Block; //导入方法依赖的package包/类
public long getSizeInBytes()
{
long sizeInBytes = this.sizeInBytes.get();
if (sizeInBytes < 0) {
sizeInBytes = 0;
for (Block block : blocks) {
sizeInBytes += block.getSizeInBytes();
}
this.sizeInBytes.set(sizeInBytes);
}
return sizeInBytes;
}
示例3: arrayJoin
import com.facebook.presto.spi.block.Block; //导入方法依赖的package包/类
public static Slice arrayJoin(MethodHandle castFunction, Type elementType, ConnectorSession session, Block arrayBlock, Slice delimiter, Slice nullReplacement)
{
int numElements = arrayBlock.getPositionCount();
DynamicSliceOutput sliceOutput = new DynamicSliceOutput(arrayBlock.getSizeInBytes() + delimiter.length() * arrayBlock.getPositionCount());
Class<?> javaType = elementType.getJavaType();
Class<?>[] parameters = null;
// can be null for the unknown type
if (castFunction != null) {
parameters = castFunction.type().parameterArray();
}
for (int i = 0; i < numElements; i++) {
if (arrayBlock.isNull(i)) {
if (nullReplacement != null) {
sliceOutput.appendBytes(nullReplacement);
}
else {
continue;
}
}
else {
if (javaType == boolean.class) {
sliceOutput.appendBytes(invokeCast(parameters, castFunction, session, elementType.getBoolean(arrayBlock, i)));
}
else if (javaType == double.class) {
sliceOutput.appendBytes(invokeCast(parameters, castFunction, session, elementType.getDouble(arrayBlock, i)));
}
else if (javaType == long.class) {
sliceOutput.appendBytes(invokeCast(parameters, castFunction, session, elementType.getLong(arrayBlock, i)));
}
else if (javaType == Slice.class) {
sliceOutput.appendBytes(invokeCast(parameters, castFunction, session, elementType.getSlice(arrayBlock, i)));
}
else {
throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("Unexpected type %s", javaType.getName()));
}
}
if (i != numElements - 1) {
sliceOutput.appendBytes(delimiter);
}
}
return sliceOutput.slice();
}