1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/org/whispersystems/libaxolotl/state/SignedPreKeyStore.java b/src/main/java/org/whispersystems/libaxolotl/state/SignedPreKeyStore.java
new file mode 100644
index 00000000..c828bf23
--- /dev/null
+++ b/src/main/java/org/whispersystems/libaxolotl/state/SignedPreKeyStore.java
@@ -0,0 +1,47 @@
+package org.whispersystems.libaxolotl.state;
+
+import org.whispersystems.libaxolotl.InvalidKeyIdException;
+
+import java.util.List;
+
+public interface SignedPreKeyStore {
+
+
+  /**
+   * Load a local SignedPreKeyRecord.
+   *
+   * @param signedPreKeyId the ID of the local SignedPreKeyRecord.
+   * @return the corresponding SignedPreKeyRecord.
+   * @throws InvalidKeyIdException when there is no corresponding SignedPreKeyRecord.
+   */
+  public SignedPreKeyRecord loadSignedPreKey(int signedPreKeyId) throws InvalidKeyIdException;
+
+  /**
+   * Load all local SignedPreKeyRecords.
+   *
+   * @return All stored SignedPreKeyRecords.
+   */
+  public List<SignedPreKeyRecord> loadSignedPreKeys();
+
+  /**
+   * Store a local SignedPreKeyRecord.
+   *
+   * @param signedPreKeyId the ID of the SignedPreKeyRecord to store.
+   * @param record the SignedPreKeyRecord.
+   */
+  public void         storeSignedPreKey(int signedPreKeyId, SignedPreKeyRecord record);
+
+  /**
+   * @param signedPreKeyId A SignedPreKeyRecord ID.
+   * @return true if the store has a record for the signedPreKeyId, otherwise false.
+   */
+  public boolean      containsSignedPreKey(int signedPreKeyId);
+
+  /**
+   * Delete a SignedPreKeyRecord from local storage.
+   *
+   * @param signedPreKeyId The ID of the SignedPreKeyRecord to remove.
+   */
+  public void         removeSignedPreKey(int signedPreKeyId);
+
+}