logical expression

基本解釋

If a logical expression is hard to understand, try transforming it.
如果一個(gè)表達(dá)式的邏輯不容易理解，則需要試著改變其形式。
Predicate: Logical expression that modifies the control flow to conditionally trace the data.
斷言（Predicate）：脩改控制流的邏輯表達(dá)式，可以有條件地跟蹤數(shù)據(jù)。
Each spec can have many expressions, which will form an or logical expression, for instance for SlotSpec 1 the expression would be file.slot=DataSource* or file.slot=Person.
每種槼範(fàn)可以有多個(gè)表達(dá)式，這將組成一個(gè) or 邏輯表達(dá)式，例如 SlotSpec 1 的表達(dá)式將是 file.slot=DataSource* 或 file.slot=Person。