Write snippets

samtstern · samtstern · commit aebdfa97c8f0 · 2018-04-02T13:22:09.000-07:00
Change-Id: Ibe42d9316a0d05d618a0bf8f421081d7b839b44e
diff --git a/database/app/src/main/java/com/google/firebase/referencecode/database/KotlinReadAndWriteSnippets.kt b/database/app/src/main/java/com/google/firebase/referencecode/database/KotlinReadAndWriteSnippets.kt
@@ -0,0 +1,33 @@
+package com.google.firebase.referencecode.database
+
+import com.google.firebase.database.DatabaseReference
+import com.google.firebase.referencecode.database.interfaces.ReadAndWriteSnippetsInterface
+import com.google.firebase.referencecode.database.models.User
+
+class KotlinReadAndWriteSnippets(private val mDatabase: DatabaseReference) : ReadAndWriteSnippetsInterface {
+
+    // [START rtdb_write_new_user]
+    override fun writeNewUser(userId: String, name: String, email: String) {
+        val user = User(name, email)
+
+        mDatabase.child("users").child(userId).setValue(user)
+    }
+    // [END rtdb_write_new_user]
+
+    override fun writeNewUserWithTaskListeners(userId: String, name: String, email: String) {
+        val user = User(name, email)
+
+        // [START rtdb_write_new_user_task]
+        mDatabase.child("users").child(userId).setValue(user)
+                .addOnSuccessListener {
+                    // Write was successful!
+                    // ...
+                }
+                .addOnFailureListener {
+                    // Write failed
+                    // ...
+                }
+        // [END rtdb_write_new_user_task]
+    }
+
+}
diff --git a/database/app/src/main/java/com/google/firebase/referencecode/database/ReadAndWriteSnippets.java b/database/app/src/main/java/com/google/firebase/referencecode/database/ReadAndWriteSnippets.java
@@ -0,0 +1,51 @@
+package com.google.firebase.referencecode.database;
+
+import android.support.annotation.NonNull;
+
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.referencecode.database.interfaces.ReadAndWriteSnippetsInterface;
+import com.google.firebase.referencecode.database.models.User;
+
+public class ReadAndWriteSnippets implements ReadAndWriteSnippetsInterface {
+
+    private DatabaseReference mDatabase;
+
+    public ReadAndWriteSnippets(DatabaseReference database) {
+        mDatabase = database;
+    }
+
+    @Override
+    // [START rtdb_write_new_user]
+    public void writeNewUser(String userId, String name, String email) {
+        User user = new User(name, email);
+
+        mDatabase.child("users").child(userId).setValue(user);
+    }
+    // [END rtdb_write_new_user]
+
+    @Override
+    public void writeNewUserWithTaskListeners(String userId, String name, String email) {
+        User user = new User(name, email);
+
+        // [START rtdb_write_new_user_task]
+        mDatabase.child("users").child(userId).setValue(user)
+                .addOnSuccessListener(new OnSuccessListener<Void>() {
+                    @Override
+                    public void onSuccess(Void aVoid) {
+                        // Write was successful!
+                        // ...
+                    }
+                })
+                .addOnFailureListener(new OnFailureListener() {
+                    @Override
+                    public void onFailure(@NonNull Exception e) {
+                        // Write failed
+                        // ...
+                    }
+                });
+        // [END rtdb_write_new_user_task]
+    }
+
+}
diff --git a/database/app/src/main/java/com/google/firebase/referencecode/database/interfaces/ReadAndWriteSnippetsInterface.java b/database/app/src/main/java/com/google/firebase/referencecode/database/interfaces/ReadAndWriteSnippetsInterface.java
@@ -0,0 +1,10 @@
+package com.google.firebase.referencecode.database.interfaces;
+
+public interface ReadAndWriteSnippetsInterface {
+
+    void writeNewUser(String userId, String name, String email);
+
+    void writeNewUserWithTaskListeners(String userId, String name, String email);
+
+}
+
diff --git a/database/app/src/main/java/com/google/firebase/referencecode/database/models/User.java b/database/app/src/main/java/com/google/firebase/referencecode/database/models/User.java
@@ -0,0 +1,22 @@
+package com.google.firebase.referencecode.database.models;
+
+import com.google.firebase.database.IgnoreExtraProperties;
+
+// [START rtdb_user_class]
+@IgnoreExtraProperties
+public class User {
+
+    public String username;
+    public String email;
+
+    public User() {
+        // Default constructor required for calls to DataSnapshot.getValue(User.class)
+    }
+
+    public User(String username, String email) {
+        this.username = username;
+        this.email = email;
+    }
+
+}
+// [END rtdb_user_class]
diff --git a/database/app/src/main/java/com/google/firebase/referencecode/database/models/kotlin/User.kt b/database/app/src/main/java/com/google/firebase/referencecode/database/models/kotlin/User.kt
@@ -0,0 +1,11 @@
+package com.google.firebase.referencecode.database.models.kotlin
+
+import com.google.firebase.database.IgnoreExtraProperties
+
+// [START rtdb_user_class]
+@IgnoreExtraProperties
+data class User(val username: String? = null, val email: String? = null) {
+    // Null default values create a no-argument default constructor, which is needed
+    // for deserialization from a DataSnapshot.
+}
+// [END rtdb_user_class]
