public final class BitSequence extends GeneratedMessageV3 implements BitSequenceOrBuilder
A sequence of bits, encoded in a byte array.
Each byte in the bitmap
byte array stores 8 bits of the sequence. The only
exception is the last byte, which may store 8 or fewer bits. The padding
defines the number of bits of the last byte to be ignored as "padding". The
values of these "padding" bits are unspecified and must be ignored.
To retrieve the first bit, bit 0, calculate: (bitmap[0] & 0x01) != 0
.
To retrieve the second bit, bit 1, calculate: (bitmap[0] & 0x02) != 0
.
To retrieve the third bit, bit 2, calculate: (bitmap[0] & 0x04) != 0
.
To retrieve the fourth bit, bit 3, calculate: (bitmap[0] & 0x08) != 0
.
To retrieve bit n, calculate: (bitmap[n / 8] & (0x01 << (n % 8))) != 0
.
The "size" of a BitSequence
(the number of bits it contains) is calculated
by this formula: (bitmap.length * 8) - padding
.
Protobuf type google.firestore.v1.BitSequence
Inherited Members
com.google.protobuf.GeneratedMessageV3.<ListT>makeMutableCopy(ListT)
com.google.protobuf.GeneratedMessageV3.<ListT>makeMutableCopy(ListT,int)
com.google.protobuf.GeneratedMessageV3.<T>emptyList(java.lang.Class<T>)
com.google.protobuf.GeneratedMessageV3.internalGetMapFieldReflection(int)
Static Fields
BITMAP_FIELD_NUMBER
public static final int BITMAP_FIELD_NUMBER
Field Value |
Type |
Description |
int |
|
PADDING_FIELD_NUMBER
public static final int PADDING_FIELD_NUMBER
Field Value |
Type |
Description |
int |
|
Static Methods
getDefaultInstance()
public static BitSequence getDefaultInstance()
getDescriptor()
public static final Descriptors.Descriptor getDescriptor()
newBuilder()
public static BitSequence.Builder newBuilder()
newBuilder(BitSequence prototype)
public static BitSequence.Builder newBuilder(BitSequence prototype)
public static BitSequence parseDelimitedFrom(InputStream input)
public static BitSequence parseDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
parseFrom(byte[] data)
public static BitSequence parseFrom(byte[] data)
Parameter |
Name |
Description |
data |
byte[]
|
parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry)
public static BitSequence parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry)
parseFrom(ByteString data)
public static BitSequence parseFrom(ByteString data)
parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry)
public static BitSequence parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry)
public static BitSequence parseFrom(CodedInputStream input)
public static BitSequence parseFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)
public static BitSequence parseFrom(InputStream input)
public static BitSequence parseFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
parseFrom(ByteBuffer data)
public static BitSequence parseFrom(ByteBuffer data)
parseFrom(ByteBuffer data, ExtensionRegistryLite extensionRegistry)
public static BitSequence parseFrom(ByteBuffer data, ExtensionRegistryLite extensionRegistry)
parser()
public static Parser<BitSequence> parser()
Methods
equals(Object obj)
public boolean equals(Object obj)
Parameter |
Name |
Description |
obj |
Object
|
Overrides
getBitmap()
public ByteString getBitmap()
The bytes that encode the bit sequence.
May have a length of zero.
bytes bitmap = 1;
getDefaultInstanceForType()
public BitSequence getDefaultInstanceForType()
getPadding()
The number of bits of the last byte in bitmap
to ignore as "padding".
If the length of bitmap
is zero, then this value must be 0
.
Otherwise, this value must be between 0 and 7, inclusive.
int32 padding = 2;
Returns |
Type |
Description |
int |
The padding.
|
getParserForType()
public Parser<BitSequence> getParserForType()
Overrides
getSerializedSize()
public int getSerializedSize()
Returns |
Type |
Description |
int |
|
Overrides
hashCode()
Returns |
Type |
Description |
int |
|
Overrides
internalGetFieldAccessorTable()
protected GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable()
Overrides
isInitialized()
public final boolean isInitialized()
Overrides
newBuilderForType()
public BitSequence.Builder newBuilderForType()
newBuilderForType(GeneratedMessageV3.BuilderParent parent)
protected BitSequence.Builder newBuilderForType(GeneratedMessageV3.BuilderParent parent)
Overrides
newInstance(GeneratedMessageV3.UnusedPrivateParameter unused)
protected Object newInstance(GeneratedMessageV3.UnusedPrivateParameter unused)
Returns |
Type |
Description |
Object |
|
Overrides
toBuilder()
public BitSequence.Builder toBuilder()
writeTo(CodedOutputStream output)
public void writeTo(CodedOutputStream output)
Overrides