brown.tracingplane.bdl

Class ReaderHelpers

java.lang.Object

brown.tracingplane.bdl.ReaderHelpers

public class ReaderHelpers
extends java.lang.Object

Helper methods used by compiled baggagebuffers classes

Field Summary

Fields

Modifier and Type	Field and Description
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Boolean>	to_bool
static java.util.function.Function<java.nio.ByteBuffer,java.nio.ByteBuffer>	to_bytes
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Double>	to_double
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer>	to_fixed32
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Long>	to_fixed64
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Float>	to_float
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer>	to_int32
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Long>	to_int64
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer>	to_sfixed32
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Long>	to_sfixed64
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer>	to_sint32
static java.util.function.Function<java.nio.ByteBuffer,java.lang.Long>	to_sint64
static java.util.function.Function<java.nio.ByteBuffer,java.lang.String>	to_string

Method Summary

Modifier and Type	Method and Description
static <T> T	castNext(ElementReader reader, java.util.function.Function<java.nio.ByteBuffer,T> cast) Get the next data item and transform bytebuffer to type using the provided function.
static <In,Out extends java.util.Collection<In>> Out	collect(ElementReader reader, java.util.function.Function<java.nio.ByteBuffer,In> cast, java.util.function.Supplier<Out> defaultValueGenerator)
static <In,Out> Out	combine(ElementReader reader, java.util.function.Function<java.nio.ByteBuffer,In> cast, java.util.function.Supplier<Out> defaultValueGenerator, java.util.function.BiFunction<Out,In,Out> combiner)
static java.nio.ByteBuffer	filterNext(ElementReader reader, java.util.function.Predicate<java.nio.ByteBuffer> filter) Find the next data item that matches the provided predicate

Methods inherited from class java.lang.Object

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

Field Detail

to_bool

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Boolean> to_bool

to_int32

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer> to_int32

to_sint32

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer> to_sint32

to_fixed32

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer> to_fixed32

to_sfixed32

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Integer> to_sfixed32

to_int64

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Long> to_int64

to_sint64

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Long> to_sint64

to_fixed64

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Long> to_fixed64

to_sfixed64

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Long> to_sfixed64

to_float

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Float> to_float

to_double

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.Double> to_double

to_string

public static final java.util.function.Function<java.nio.ByteBuffer,java.lang.String> to_string

to_bytes

public static final java.util.function.Function<java.nio.ByteBuffer,java.nio.ByteBuffer> to_bytes

Method Detail

filterNext

public static java.nio.ByteBuffer filterNext(ElementReader reader,
                                             java.util.function.Predicate<java.nio.ByteBuffer> filter)

Find the next data item that matches the provided predicate

castNext

public static <T> T castNext(ElementReader reader,
                             java.util.function.Function<java.nio.ByteBuffer,T> cast)

Get the next data item and transform bytebuffer to type using the provided function. If the cast function returns null, it will move on to the next data item.

combine

public static <In,Out> Out combine(ElementReader reader,
                                   java.util.function.Function<java.nio.ByteBuffer,In> cast,
                                   java.util.function.Supplier<Out> defaultValueGenerator,
                                   java.util.function.BiFunction<Out,In,Out> combiner)

collect

public static <In,Out extends java.util.Collection<In>> Out collect(ElementReader reader,
                                                                    java.util.function.Function<java.nio.ByteBuffer,In> cast,
                                                                    java.util.function.Supplier<Out> defaultValueGenerator)