1 files changed, 47 insertions, 0 deletions
diff --git a/common/device-side/bedstead/queryable/src/main/java/com/android/queryable/queries/StringQueryHelper.java b/common/device-side/bedstead/queryable/src/main/java/com/android/queryable/queries/StringQueryHelper.java
new file mode 100644
index 00000000000..45b731c0b18
--- /dev/null
+++ b/common/device-side/bedstead/queryable/src/main/java/com/android/queryable/queries/StringQueryHelper.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.queryable.queries;
+
+import com.android.queryable.Queryable;
+
+import java.io.Serializable;
+
+/** Implementation of {@link StringQuery}. */
+public final class StringQueryHelper<E extends Queryable>
+        implements StringQuery<E>, Serializable{
+
+    private final E mQuery;
+    private String mEqualsValue = null;
+
+    public StringQueryHelper(E query) {
+        mQuery = query;
+    }
+
+    @Override
+    public E isEqualTo(String string) {
+        this.mEqualsValue = string;
+        return mQuery;
+    }
+
+    public boolean matches(String value) {
+        if (mEqualsValue != null && !mEqualsValue.equals(value)) {
+            return false;
+        }
+
+        return true;
+    }
+}