本文整理汇总了Java中org.apache.kylin.common.util.BytesUtil.compareByteUnsigned方法的典型用法代码示例。如果您正苦于以下问题：Java BytesUtil.compareByteUnsigned方法的具体用法？Java BytesUtil.compareByteUnsigned怎么用？Java BytesUtil.compareByteUnsigned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org.apache.kylin.common.util.BytesUtil的用法示例。
在下文中一共展示了BytesUtil.compareByteUnsigned方法的2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: lookupSeqNoFromValue
import org.apache.kylin.common.util.BytesUtil; //导入方法依赖的package包/类
/**
* returns a code point from [0, nValues), preserving order of value
*
* @param n -- the offset of current node
* @param inp -- input value bytes to lookup
* @param o -- offset in the input value bytes matched so far
* @param inpEnd -- end of input
* @param roundingFlag -- =0: return -1 if not found
* -- <0: return closest smaller if not found, return -1
* -- >0: return closest bigger if not found, return nValues
*/
private int lookupSeqNoFromValue(int n, byte[] inp, int o, int inpEnd, int roundingFlag) {
while (true) {
// match the current node
int p = n + firstByteOffset; // start of node's value
int end = p + BytesUtil.readUnsigned(trieBytes, p - 1, 1); // end of node's value
for (; p < end && o < inpEnd; p++, o++) { // note matching start from [0]
if (trieBytes[p] != inp[o]) {
return -1; // mismatch
}
}
// node completely matched, is input all consumed?
boolean isEndOfValue = checkFlag(n, BIT_IS_END_OF_VALUE);
if (o == inpEnd) {
return p == end && isEndOfValue ? BytesUtil.readUnsigned(trieBytes, end, sizeOfId) : -1;
}
// find a child to continue
int c = headSize + (int) (BytesUtil.readLong(trieBytes, n, sizeChildOffset) & childOffsetMask);
if (c == headSize) // has no children
return -1;
byte inpByte = inp[o];
int comp;
while (true) {
p = c + firstByteOffset;
comp = BytesUtil.compareByteUnsigned(trieBytes[p], inpByte);
if (comp == 0) { // continue in the matching child, reset n and loop again
n = c;
break;
} else if (comp < 0) { // try next child
if (checkFlag(c, BIT_IS_LAST_CHILD))
return -1;
c = p + BytesUtil.readUnsigned(trieBytes, p - 1, 1) + (checkFlag(c, BIT_IS_END_OF_VALUE) ? sizeOfId : 0);
} else { // children are ordered by their first value byte
return -1;
}
}
}
}
示例2: compareTo
import org.apache.kylin.common.util.BytesUtil; //导入方法依赖的package包/类
@Override
public int compareTo(AggrKey o) {
int comp = this.length() - o.length();
if (comp != 0)
return comp;
for (int i = 0; i < groupByMaskSet.length; i++) {
comp = BytesUtil.compareByteUnsigned(this.data[this.offset + groupByMaskSet[i]], o.data[o.offset + groupByMaskSet[i]]);
if (comp != 0)
return comp;
}
return 0;
}