1 files changed, 47 insertions, 0 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/result/ErrorHit.java b/container-search/src/main/java/com/yahoo/search/result/ErrorHit.java
new file mode 100644
index 00000000000..a3b79d98e65
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+++ b/container-search/src/main/java/com/yahoo/search/result/ErrorHit.java
@@ -0,0 +1,47 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.result;
+
+import java.util.Iterator;
+import java.util.Set;
+
+/**
+ * A hit which holds information on error conditions in a result.
+ * En error hit maintains a main error - the main error of the result.
+ *
+ * @author bratseth
+ */
+public interface ErrorHit extends Cloneable {
+
+    void setSource(String source);
+
+    /** Returns the main error of this result, never null */
+    @Deprecated // use: errors().iterator().next()
+    ErrorMessage getMainError();
+
+    /**
+     * Adds an error to this. This may change the main error
+     * and/or the list of detailed errors
+     */
+    void addError(ErrorMessage error);
+
+    /** Add all errors from another error hit to this */
+    void addErrors(ErrorHit errorHit);
+
+    /**
+     * Returns all the detail errors of this error hit, including the main error
+     */
+    Iterator<? extends ErrorMessage> errorIterator();
+
+    /** Returns a read-only set containing all the error of this, including the main error */
+    Set<ErrorMessage> errors();
+
+    /** Returns true - this is a meta hit containing information on other hits */
+    boolean isMeta();
+
+    /** Returns true if main error is the given error code or if main error
+        is general error 8 and all suberrors are the given error code */
+    boolean hasOnlyErrorCode(int code);
+
+    Object clone();
+
+}