/** Save all engine elements that current in Cache to underlying data store */
public void save() throws DataAdapterException {
File policyFile = null;
try {
String schema = getPolicyDefaultSchema();
// Retrieve the schema file from given path or classpath, and verify if it exists.
schema = verifySchemaFile(schema);
PDP currentPDP = DataStoreHelper.getPDP(this);
CacheManager cacheMgr = CacheManager.getInstance(currentPDP);
AbstractPolicy[] allPolicies = cacheMgr.getAllPolicies();
for (int i = 0; i < allPolicies.length; i++) {
AbstractPolicy policy = allPolicies[i];
policyFile = policyFilesByID.get(policy.getId());
// If no existing file, this means the policy is new added, we create a new file for it.
if (policyFile == null) {
policyFile = new File(POLICY_FILE_PREFIX + policy.getId() + POLICY_FILE_SUFFIX);
}
// Dump the xml element to file. Note, we don't need clean up the directory.
dumpPolicy(policy, new FileOutputStream(policyFile));
}
} catch (Exception e) {
throw new DataAdapterException(
"Error occurs when saving policy file"
+ (policyFile == null ? "." : " : '" + policyFile.getName() + "'"),
e);
}
}
