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authorMarcin Chrzanowski <marcin.j.chrzanowski@gmail.com>2020-01-12 22:12:09 +0100
committerMarcin Chrzanowski <marcin.j.chrzanowski@gmail.com>2020-01-12 22:12:09 +0100
commit411bf8f0dae524d70a0754049b5494182ade4a05 (patch)
tree0ca12678f5acf95ad4a5cfa64893ba06c5d5c615 /src/main/java/pl/edu/mimuw/cloudatlas/model
parent84df6c11a868e8cd98fa14455456d313e25234db (diff)
Set owner of ZMIs on our path
Diffstat (limited to 'src/main/java/pl/edu/mimuw/cloudatlas/model')
-rw-r--r--src/main/java/pl/edu/mimuw/cloudatlas/model/ValueUtils.java22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueUtils.java b/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueUtils.java
index 866349f..20d6600 100644
--- a/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueUtils.java
+++ b/src/main/java/pl/edu/mimuw/cloudatlas/model/ValueUtils.java
@@ -1,5 +1,8 @@
package pl.edu.mimuw.cloudatlas.model;
+import java.util.List;
+import java.util.Iterator;
+
public class ValueUtils {
public static boolean valueNonNullOfType(Value value, Type type) {
return value != null && !value.isNull() && value.getType().isCompatible(type);
@@ -16,4 +19,23 @@ public class ValueUtils {
public static ValueTime addToTime(ValueTime time, long millis) {
return time.addValue(new ValueDuration(millis));
}
+
+ public static boolean isPrefix(PathName prefix, PathName path) {
+ List<String> prefixComponents = prefix.getComponents();
+ List<String> pathComponents = path.getComponents();
+
+ if (prefixComponents.size() > pathComponents.size()) {
+ return false;
+ }
+
+ Iterator<String> prefixIterator = prefixComponents.iterator();
+ Iterator<String> pathIterator = pathComponents.iterator();
+
+ while (prefixIterator.hasNext()) {
+ if (!prefixIterator.next().equals(pathIterator.next())) {
+ return false;
+ }
+ }
+ return true;
+ }
}