io.spine.web.firebase

Class NodeValue

java.lang.Object

io.spine.web.firebase.NodeValue

public final class NodeValue
extends java.lang.Object

The Firebase database node value.

Method Summary

Modifier and Type	Method and Description
java.lang.String	addChild(StoredJson data) Adds a child to the value.
void	addChild(java.lang.String key, StoredJson data) Adds a child to the value under a specified key.
void	addNullChild(java.lang.String key) Adds a `null` child to the value under a specified key.
static NodeValue	empty() Creates an empty NodeValue.
com.google.api.client.http.ByteArrayContent	toByteArray() Converts the value to the byte array suitable for usage in the HTTP request.
java.lang.String	toString()
com.google.gson.JsonObject	underlyingJson()
static NodeValue	withChildren(java.lang.Iterable<StoredJson> jsons) Creates a new node value with all the given JSONs as its children.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

empty

public static NodeValue empty()

Creates an empty NodeValue.

This is not equivalent to the null value. An empty value is supposed to be filled with entries at some point after the creation.

withChildren

public static NodeValue withChildren(java.lang.Iterable<StoredJson> jsons)

Creates a new node value with all the given JSONs as its children.

The child nodes are added under generated keys.

Parameters:

jsons - child nodes

Returns:

new node value

toByteArray

public com.google.api.client.http.ByteArrayContent toByteArray()

Converts the value to the byte array suitable for usage in the HTTP request.

addChild

@CanIgnoreReturnValue
public java.lang.String addChild(StoredJson data)

Adds a child to the value.

The key for the child is generated via standard Firebase generation mechanism.

Returns:

the generated key under which the data was stored

addChild

public void addChild(java.lang.String key,
                     StoredJson data)

Adds a child to the value under a specified key.

addNullChild

public void addNullChild(java.lang.String key)

Adds a `null` child to the value under a specified key.

underlyingJson

public com.google.gson.JsonObject underlyingJson()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object