lvfangmin commented on a change in pull request #959: ZOOKEEPER-3402: Add
multiRead operation
URL: https://github.com/apache/zookeeper/pull/959#discussion_r290948727
##########
File path:
zookeeper-server/src/main/java/org/apache/zookeeper/MultiTransactionRecord.java
##########
@@ -51,14 +56,32 @@ public MultiTransactionRecord(Iterable<Op> ops) {
return ops.iterator() ;
}
- public void add(Op op) {
+ public void add(Op op) throws IllegalArgumentException {
+ setOrCheckOpKind(op.getKind());
ops.add(op);
}
public int size() {
return ops.size();
}
+ /**
+ * Returns the kind of the operations contained by the record.
+ * @return The OpKind value of all the elements in the record.
+ */
+ public Op.OpKind getOpKind() {
+ return opKind;
+ }
+
+ private void setOrCheckOpKind(Op.OpKind ok) throws
IllegalArgumentException {
+ if(opKind == null) {
+ opKind = ok;
+ } else if(ok != opKind) {
Review comment:
ditto.
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