garydgregory commented on code in PR #412:
URL:
https://github.com/apache/commons-configuration/pull/412#discussion_r1589604053
##########
src/main/java/org/apache/commons/configuration2/ImmutableConfiguration.java:
##########
@@ -62,6 +62,20 @@ public interface ImmutableConfiguration {
*/
boolean containsKey(String key);
+ /**
+ * Returns true if this configuration contains one or more matches to this
value. This operation stops at first
+ * match but may be more expensive than the {@link #containsKey
containsKey} method.
+ *
+ * @param value value whose presence in this configuration is to be tested
+ * @return {@code true} if this configuration maps one or more keys to the
specified value
+ * @throws NullPointerException if the value is {@code null}
+ * @throws UnsupportedOperationException if this method is not supported
by the implementing class.
+ */
+ default boolean containsValue(String value) {
+ throw new UnsupportedOperationException(
+ String.format("Class %s does not support this method.",
this.getClass()));
Review Comment:
Yes.
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