Remove randomId() method from AlbumBuilder.

[Sone.git] / src / main / java / net / pterodactylus / sone / data / impl / AbstractAlbumBuilder.java

diff --git a/src/main/java/net/pterodactylus/sone/data/impl/AbstractAlbumBuilder.java b/src/main/java/net/pterodactylus/sone/data/impl/AbstractAlbumBuilder.java
index 43511ac..6ff935c 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/data/impl/AbstractAlbumBuilder.java
+++ b/src/main/java/net/pterodactylus/sone/data/impl/AbstractAlbumBuilder.java
@@ -17,11 +17,14 @@
 
 package net.pterodactylus.sone.data.impl;
 
-import static com.google.common.base.Preconditions.checkState;
+import static com.google.common.base.Optional.absent;
+import static com.google.common.base.Optional.fromNullable;
 import static java.util.UUID.randomUUID;
 
 import net.pterodactylus.sone.database.AlbumBuilder;
 
+import com.google.common.base.Optional;
+
 /**
  * Abstract {@link AlbumBuilder} implementation. It stores the state of the new
  * album and performs validation, you only need to implement {@link #build()}.
@@ -30,21 +33,11 @@ import net.pterodactylus.sone.database.AlbumBuilder;
  */
 public abstract class AbstractAlbumBuilder implements AlbumBuilder {
 
-       /** Whether to create an album with a random ID. */
-       private boolean randomId;
-
-       /** The ID of the album to create. */
-       private String id;
-
-       @Override
-       public AlbumBuilder randomId() {
-               randomId = true;
-               return this;
-       }
+       private Optional<String> id = absent();
 
        @Override
        public AlbumBuilder withId(String id) {
-               this.id = id;
+               this.id = fromNullable(id);
                return this;
        }
 
@@ -53,7 +46,7 @@ public abstract class AbstractAlbumBuilder implements AlbumBuilder {
        //
 
        protected String getId() {
-               return randomId ? randomUUID().toString() : id;
+               return id.isPresent() ? id.get() : randomUUID().toString();
        }
 
        /**
@@ -63,7 +56,6 @@ public abstract class AbstractAlbumBuilder implements AlbumBuilder {
         *              if the state is not valid for building a new post
         */
        protected void validate() throws IllegalStateException {
-               checkState((randomId && (id == null)) || (!randomId && (id != null)), "exactly one of random ID or custom ID must be set");
        }
 
 }