com.hcl.domino.keep.tools

Class KeepCollectors

java.lang.Object

com.hcl.domino.keep.tools.KeepCollectors

public class KeepCollectors
extends java.lang.Object

Utility class that provides Vert.x and Keep specific Collectors for use with the Java streaming api

Method Summary

Modifier and Type	Method and Description
static java.util.stream.Collector<java.lang.Boolean,java.lang.Boolean,java.lang.Boolean>	allTrueCollector() Collector returning TRUE when all Stream members are true Also returns true on an empty stream
static java.util.stream.Collector<io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer>	bufferCollector() Combines incoming buffers into one outgoing buffer
static java.util.stream.Collector<io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer>	bufferCollectorNullable() Combines incoming buffers into one outgoing buffer
static java.util.stream.Collector<java.lang.Object,io.vertx.core.json.JsonArray,io.vertx.core.json.JsonArray>	jsonArrayCollector() Collector that captures incoming arbitrary Objects in a Json Array
static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject>	jsonCollector() Collector that captures incoming JsonObjects into a new JsonObject
static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject>	jsonCollector(io.vertx.core.json.JsonObject result) Collector that captures incoming JsonObjects into a provided JsonObject
static java.util.stream.Collector<java.util.Map.Entry<java.lang.String,? extends java.lang.Object>,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject>	jsonMapCollector(io.vertx.core.json.JsonObject result) Collector that captures incoming Map.Entries into a provided JsonObject
static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonArray,io.vertx.core.json.JsonArray>	jsonObject2ArrayCollector() Collector that captures incoming JsonObjects in a Json Array
static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonArray,io.vertx.core.json.JsonArray>	jsonObject2ArrayCollectorNullable() Collector that captures incoming JsonObjects in a Json Array
static java.util.stream.Collector<java.lang.String,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer>	string2BufferCollector() Combines incoming buffers into one outgoing buffer
static java.util.stream.Collector<java.lang.String,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer>	string2BufferCollectorNullable() Combines incoming buffers into one outgoing buffer

Methods inherited from class java.lang.Object

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

Method Detail

allTrueCollector

public static java.util.stream.Collector<java.lang.Boolean,java.lang.Boolean,java.lang.Boolean> allTrueCollector()

Collector returning TRUE when all Stream members are true Also returns true on an empty stream

Returns:

true when all stream members are true

bufferCollector

public static java.util.stream.Collector<io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer> bufferCollector()

Combines incoming buffers into one outgoing buffer

Returns:

Collector<Buffer, Buffer, Buffer>

bufferCollectorNullable

public static java.util.stream.Collector<io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer> bufferCollectorNullable()

Combines incoming buffers into one outgoing buffer

Returns:

Collector<Buffer, Buffer, Buffer>, null if the buffer was empty

jsonArrayCollector

public static java.util.stream.Collector<java.lang.Object,io.vertx.core.json.JsonArray,io.vertx.core.json.JsonArray> jsonArrayCollector()

Collector that captures incoming arbitrary Objects in a Json Array

Returns:

Collector<Object, JsonArray, JsonArray>

jsonCollector

public static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject> jsonCollector()

Collector that captures incoming JsonObjects into a new JsonObject

Returns:

Collector<Map.Entry, JsonObject, JsonObject> might return empty, but not null

jsonCollector

public static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject> jsonCollector(io.vertx.core.json.JsonObject result)

Collector that captures incoming JsonObjects into a provided JsonObject

Parameters:

result -

• JsonObject (might contain entries)

Returns:

Collector<Map.Entry, JsonObject, JsonObject> might return empty, but not null

jsonMapCollector

public static java.util.stream.Collector<java.util.Map.Entry<java.lang.String,? extends java.lang.Object>,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject> jsonMapCollector(io.vertx.core.json.JsonObject result)

Collector that captures incoming Map.Entries into a provided JsonObject

Parameters:

result -

• JsonObject (might contain entries)

Returns:

Collector<Map.Entry, JsonObject, JsonObject> might return empty, but not null

jsonObject2ArrayCollector

public static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonArray,io.vertx.core.json.JsonArray> jsonObject2ArrayCollector()

Collector that captures incoming JsonObjects in a Json Array

Returns:

Collector<JsonObject, JsonArray, JsonArray>

jsonObject2ArrayCollectorNullable

public static java.util.stream.Collector<io.vertx.core.json.JsonObject,io.vertx.core.json.JsonArray,io.vertx.core.json.JsonArray> jsonObject2ArrayCollectorNullable()

Collector that captures incoming JsonObjects in a Json Array

Returns:

Collector<JsonObject, JsonArray, JsonArray>, returns null if empty

string2BufferCollector

public static java.util.stream.Collector<java.lang.String,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer> string2BufferCollector()

Combines incoming buffers into one outgoing buffer

Returns:

Collector<Buffer, Buffer, Buffer>

string2BufferCollectorNullable

public static java.util.stream.Collector<java.lang.String,io.vertx.core.buffer.Buffer,io.vertx.core.buffer.Buffer> string2BufferCollectorNullable()

Combines incoming buffers into one outgoing buffer

Returns:

Collector<Buffer, Buffer, Buffer>, null if the buffer was empty