re-introduce @Document and @Field

src/main/java/org/springframework/data/couchbase/core/mapping/Document.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2012-2015 the original author or authors
+ *
+ * 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 org.springframework.data.couchbase.core.mapping;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.springframework.data.annotation.Persistent;
+
+/**
+ * Identifies a domain object to be persisted to Couchbase.
+ *
+ * @author Michael Nitschinger
+ */
+@Persistent
+@Inherited
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.TYPE})
+public @interface Document {
+
+	/**
+	 * An optional expiry time for the document.
+	 */
+	int expiry() default 0;
+
+}

src/main/java/org/springframework/data/couchbase/core/mapping/Field.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2012-2015 the original author or authors
+ *
+ * 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 org.springframework.data.couchbase.core.mapping;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+/**
+ * Annotation to define custom metadata for document fields.
+ *
+ * @author Michael Nitschinger
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Field {
+
+	/**
+	 * The key to be used to store the field inside the document.
+	 */
+	String value() default "";
+
+}