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1 files changed, 68 insertions, 0 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/federation/selection/FederationTarget.java b/container-search/src/main/java/com/yahoo/search/federation/selection/FederationTarget.java
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index 00000000000..676292d6a3a
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+++ b/container-search/src/main/java/com/yahoo/search/federation/selection/FederationTarget.java
@@ -0,0 +1,68 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.federation.selection;
+
+import java.util.Optional;
+import com.yahoo.component.chain.Chain;
+import com.yahoo.search.Searcher;
+import com.yahoo.search.searchchain.model.federation.FederationOptions;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Represents a search chain that the federation searcher should send a query to,
+ * along with a timeout and
+ * custom data reserved for use by the TargetSelector.
+ *
+ * @author tonytv
+ */
+public final class FederationTarget<T> {
+    private final Chain<Searcher> chain;
+    private final FederationOptions federationOptions;
+    private final T customData;
+
+    public FederationTarget(Chain<Searcher> chain, FederationOptions federationOptions, T customData) {
+        checkNotNull(chain);
+        checkNotNull(federationOptions);
+
+        this.chain = chain;
+        this.federationOptions = federationOptions;
+        this.customData = customData;
+    }
+
+    public Chain<Searcher> getChain() {
+        return chain;
+    }
+
+    public FederationOptions getFederationOptions() {
+        return federationOptions;
+    }
+
+    /**
+     * Any data that the TargetSelector wants to associate with this target.
+     * Owned exclusively by the TargetSelector that created this instance.
+     */
+    public T getCustomData() {
+        return customData;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        FederationTarget that = (FederationTarget) o;
+
+        if (!chain.equals(that.chain)) return false;
+        if (customData != null ? !customData.equals(that.customData) : that.customData != null) return false;
+        if (!federationOptions.equals(that.federationOptions)) return false;
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = chain.hashCode();
+        result = 31 * result + federationOptions.hashCode();
+        return result;
+    }
+}