Issue 1889 - CacheCPS better docs

Signed-off-by: Mike Cobbett <77053+techcobweb@users.noreply.github.com>

galasa-extensions-parent/dev.galasa.cps.rest/src/main/java/dev/galasa/cps/rest/CacheCPS.java

@@ -24,6 +24,11 @@
  * Up-front the implementation reads the entire contents from the CPS and caches it.
  * 
  * Set and Delete of properties are deleted, and the cache state is maintained.
+ * 
+ * The cache is turned on using the 'framework.cps.rest.cache.is.enabled' property.
+ * - true : The cacheing is turned on.
+ * - false : Calls pass directly through to the child CPS implementation.
+ * Default value: false.
  */
 public class CacheCPS implements IConfigurationPropertyStore {
 

galasa-extensions-parent/dev.galasa.cps.rest/src/test/java/dev/galasa/cps/rest/mocks/MockCPS.java

@@ -1,6 +1,10 @@
+/*
+ * Copyright contributors to the Galasa project
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
 package dev.galasa.cps.rest.mocks;
 
-
 import java.util.*;
 
 import javax.validation.constraints.NotNull;
@@ -10,7 +14,11 @@
 import dev.galasa.framework.spi.IConfigurationPropertyStore;
 
 
-/** A */
+/** 
+ * A CPS implementation which holds a hashmap as the basis of it's property store.
+ * 
+ * It sits in memory and leaves no debris, so is suitable for use with unit tests.
+ */
 public class MockCPS implements IConfigurationPropertyStore {
 
     public MockCPS() {