feat(core): add common task for store (#916)

core/src/main/java/io/kestra/core/models/tasks/common/FetchOutput.java

@@ -0,0 +1,41 @@
+package io.kestra.core.models.tasks.common;
+
+import io.kestra.core.models.tasks.Output;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.net.URI;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * This output can be used as a result of a task that fetched data.
+ * It is designed to be used in conjunction with a <code>fetchType</code> plugin property of type {@link FetchType}.
+ */
+@Builder
+@Getter
+public class FetchOutput implements Output {
+    @Schema(
+        title = "List containing the fetched data",
+        description = "Only populated if using `fetchType=FETCH`."
+    )
+    private List<Object> rows;
+
+    @Schema(
+        title = "Map containing the first row of fetched data",
+        description = "Only populated if using `fetchType=FETCH_ONE`."
+    )
+    private Map<String, Object> row;
+
+    @Schema(
+        title = "The uri of stored data",
+        description = "Only populated if using `fetchType=STORE`"
+    )
+    private URI uri;
+
+    @Schema(
+        title = "The size of the fetched rows"
+    )
+    private Long size;
+}

core/src/main/java/io/kestra/core/models/tasks/common/FetchType.java

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+package io.kestra.core.models.tasks.common;
+
+/**
+ * Enumeration that can be used to define how a task that fetch data will fetch it.
+ * It is designed to be used in conjunction with a task output of type {@link FetchOutput}.
+ */
+public enum FetchType {
+    /** Fetched data will be stored in Kestra storage. */
+    STORE,
+
+    /** Fetched data will be available as a list of objects. */
+    FETCH,
+
+    /** Fetched data will be available as a single object. */
+    FETCH_ONE,
+
+    /** Data will not be fetched. */
+    NONE
+}