/**
* Check whether provided path must be excluded from evictions.
*
* @param path Path.
* @return {@code True} in case non block of related file must be excluded.
* @throws GridException In case of faulty patterns.
*/
public boolean exclude(GridGgfsPath path) throws GridException {
assert path != null;
Collection<Pattern> excludePatterns0;
if (excludeRecompile.compareAndSet(true, false)) {
// Recompile.
Collection<String> excludePaths0 = excludePaths;
if (excludePaths0 != null) {
excludePatterns0 = new HashSet<>(excludePaths0.size(), 1.0f);
for (String excludePath : excludePaths0) {
try {
excludePatterns0.add(Pattern.compile(excludePath));
} catch (PatternSyntaxException ignore) {
throw new GridException("Invalid regex pattern: " + excludePath);
}
}
excludePatterns = excludePatterns0;
} else excludePatterns0 = excludePatterns = null;
} else excludePatterns0 = excludePatterns;
if (excludePatterns0 != null) {
String pathStr = path.toString();
for (Pattern pattern : excludePatterns0) {
if (pattern.matcher(pathStr).matches()) return true;
}
}
return false;
}
/** {@inheritDoc} */
@Override
public void setExcludePaths(@Nullable Collection<String> excludePaths) {
this.excludePaths = excludePaths;
excludeRecompile.set(true);
}