Class Value (6.72.0)

Version 6.72.0

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public abstract class Value implements Serializable

Represents a value to be consumed by the Cloud Spanner API. A value can be NULL or non-NULL; regardless, values always have an associated type.

The Value API is optimized for construction, since this is the majority use-case when using this class with the Cloud Spanner libraries. The factory method signatures and internal representations are design to minimize memory usage and object creation while still maintaining the immutability contract of this class. In particular, arrays of primitive types can be constructed without requiring boxing into collections of wrapper types. The getters in this class are intended primarily for test purposes, and so do not share the same performance characteristics; in particular, getters for array types may be expensive.

Value instances are immutable.

Inheritance

java.lang.Object > Value

Implements

Serializable

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Fields

COMMIT_TIMESTAMP

public static final Timestamp COMMIT_TIMESTAMP

Placeholder value to be passed to a mutation to make Cloud Spanner store the commit timestamp in that column. The commit timestamp is the timestamp corresponding to when Cloud Spanner commits the transaction containing the mutation.

Note that this particular timestamp instance has no semantic meaning. In particular the value of seconds and nanoseconds in this timestamp are meaningless. This placeholder can only be used for columns that have set the option "(allow_commit_timestamp=true)" in the schema.

When reading the value stored in such a column, the value returned is an actual timestamp corresponding to the commit time of the transaction, which has no relation to this placeholder. See Also: Transaction Semantics

Field Value
Type	Description
com.google.cloud.Timestamp

NAN

public static final String NAN

Constant to specify a PG Numeric NaN value.

Field Value
Type	Description
String

Static Methods

bool(boolean v)

public static Value bool(boolean v)

Returns a BOOL value.

Parameter
Name	Description
v	boolean

Returns
Type	Description
Value

bool(Boolean v)

public static Value bool(Boolean v)

Returns a BOOL value.

Parameter
Name	Description
v	Boolean the value, which may be null

Returns
Type	Description
Value

boolArray(boolean[] v)

public static Value boolArray(boolean[] v)

Returns an ARRAY<BOOL> value.

Parameter
Name	Description
v	boolean[] the source of element values, which may be null to produce a value for which isNull() is true

Returns
Type	Description
Value

boolArray(boolean[] v, int pos, int length)

public static Value boolArray(boolean[] v, int pos, int length)

Returns an ARRAY<BOOL> value that takes its elements from a region of an array.

Parameters
Name	Description
v	boolean[] the source of element values, which may be null to produce a value for which isNull() is true
pos	int the start position of v to copy values from. Ignored if v is null.
length	int the number of values to copy from v. Ignored if v is null.

Returns
Type	Description
Value

boolArray(Iterable<Boolean> v)

public static Value boolArray(Iterable<Boolean> v)

Returns an ARRAY<BOOL> value.

Parameter
Name	Description
v	Iterable<Boolean> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

bytes(ByteArray v)

public static Value bytes(ByteArray v)

e Returns a BYTES value. Returns a BYTES value.

Parameter
Name	Description
v	com.google.cloud.ByteArray the value, which may be null

Returns
Type	Description
Value

bytesArray(Iterable<ByteArray> v)

public static Value bytesArray(Iterable<ByteArray> v)

Returns an ARRAY<BYTES> value.

Parameter
Name	Description
v	Iterable<com.google.cloud.ByteArray> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

bytesArrayFromBase64(Iterable<String> base64Strings)

public static Value bytesArrayFromBase64(Iterable<String> base64Strings)

Returns an ARRAY<BYTES> value.

Parameter
Name	Description
base64Strings	Iterable<String> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null. Non-null values must be a valid Base64 string.

Returns
Type	Description
Value

bytesFromBase64(String base64String)

public static Value bytesFromBase64(String base64String)

Returns a BYTES value.

Parameter
Name	Description
base64String	String the value in Base64 encoding, which may be null. This value must be a valid base64 string.

Returns
Type	Description
Value

date(Date v)

public static Value date(Date v)

Returns a DATE value. The range [1678-01-01, 2262-01-01) is the legal interval for cloud spanner dates. A write to a date column is rejected if the value is outside of that interval.

Parameter
Name	Description
v	com.google.cloud.Date

Returns
Type	Description
Value

dateArray(Iterable<Date> v)

public static Value dateArray(Iterable<Date> v)

Returns an ARRAY<DATE> value. The range [1678-01-01, 2262-01-01) is the legal interval for cloud spanner dates. A write to a date column is rejected if the value is outside of that interval.

Parameter
Name	Description
v	Iterable<com.google.cloud.Date> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

float32(float v)

public static Value float32(float v)

Returns a FLOAT32 value.

Parameter
Name	Description
v	float

Returns
Type	Description
Value

float32(Float v)

public static Value float32(Float v)

Returns a FLOAT32 value.

Parameter
Name	Description
v	Float the value, which may be null

Returns
Type	Description
Value

float32Array(float[] v)

public static Value float32Array(float[] v)

Returns an ARRAY<FLOAT32> value.

Parameter
Name	Description
v	float[] the source of element values, which may be null to produce a value for which isNull() is true

Returns
Type	Description
Value

float32Array(float[] v, int pos, int length)

public static Value float32Array(float[] v, int pos, int length)

Returns an ARRAY<FLOAT32> value that takes its elements from a region of an array.

Parameters
Name	Description
v	float[] the source of element values, which may be null to produce a value for which isNull() is true
pos	int the start position of v to copy values from. Ignored if v is null.
length	int the number of values to copy from v. Ignored if v is null.

Returns
Type	Description
Value

float32Array(Iterable<Float> v)

public static Value float32Array(Iterable<Float> v)

Returns an ARRAY<FLOAT32> value.

Parameter
Name	Description
v	Iterable<Float> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

float64(double v)

public static Value float64(double v)

Returns a FLOAT64 value.

Parameter
Name	Description
v	double

Returns
Type	Description
Value

float64(Double v)

public static Value float64(Double v)

Returns a FLOAT64 value.

Parameter
Name	Description
v	Double the value, which may be null

Returns
Type	Description
Value

float64Array(double[] v)

public static Value float64Array(double[] v)

Returns an ARRAY<FLOAT64> value.

Parameter
Name	Description
v	double[] the source of element values, which may be null to produce a value for which isNull() is true

Returns
Type	Description
Value

float64Array(double[] v, int pos, int length)

public static Value float64Array(double[] v, int pos, int length)

Returns an ARRAY<FLOAT64> value that takes its elements from a region of an array.

Parameters
Name	Description
v	double[] the source of element values, which may be null to produce a value for which isNull() is true
pos	int the start position of v to copy values from. Ignored if v is null.
length	int the number of values to copy from v. Ignored if v is null.

Returns
Type	Description
Value

float64Array(Iterable<Double> v)

public static Value float64Array(Iterable<Double> v)

Returns an ARRAY<FLOAT64> value.

Parameter
Name	Description
v	Iterable<Double> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

int64(Long v)

public static Value int64(Long v)

Returns an INT64 value.

Parameter
Name	Description
v	Long the value, which may be null

Returns
Type	Description
Value

int64(long v)

public static Value int64(long v)

Returns an INT64 value.

Parameter
Name	Description
v	long

Returns
Type	Description
Value

int64Array(Iterable<Long> v)

public static Value int64Array(Iterable<Long> v)

Returns an ARRAY<INT64> value.

Parameter
Name	Description
v	Iterable<Long> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

int64Array(long[] v)

public static Value int64Array(long[] v)

Returns an ARRAY<INT64> value.

Parameter
Name	Description
v	long[] the source of element values, which may be null to produce a value for which isNull() is true

Returns
Type	Description
Value

int64Array(long[] v, int pos, int length)

public static Value int64Array(long[] v, int pos, int length)

Returns an ARRAY<INT64> value that takes its elements from a region of an array.

Parameters
Name	Description
v	long[] the source of element values, which may be null to produce a value for which isNull() is true
pos	int the start position of v to copy values from. Ignored if v is null.
length	int the number of values to copy from v. Ignored if v is null.

Returns
Type	Description
Value

json(String v)

public static Value json(String v)

Returns a JSON value.

Parameter
Name	Description
v	String the value, which may be null

Returns
Type	Description
Value

jsonArray(Iterable<String> v)

public static Value jsonArray(Iterable<String> v)

Returns an ARRAY<JSON> value.

Parameter
Name	Description
v	Iterable<String> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

numeric(BigDecimal v)

public static Value numeric(BigDecimal v)

Returns a NUMERIC value. The valid value range for the whole component of the BigDecimal is from -9,999,999,999,999,999,999,999,999 to +9,999,999,999,999,999,999,999,999 (both inclusive), i.e. the max length of the whole component is 29 digits. The max length of the fractional part is 9 digits. Trailing zeros in the fractional part are not considered and will be lost, as Cloud Spanner does not preserve the precision of a numeric value.

If you set a numeric value of a record to for example 0.10, Cloud Spanner will return this value as 0.1 in subsequent queries. Use BigDecimal#stripTrailingZeros() to compare inserted values with retrieved values if your application might insert numeric values with trailing zeros.

Parameter
Name	Description
v	BigDecimal the value, which may be null

Returns
Type	Description
Value

numericArray(Iterable<BigDecimal> v)

public static Value numericArray(Iterable<BigDecimal> v)

Returns an ARRAY<NUMERIC> value.

Parameter
Name	Description
v	Iterable<BigDecimal> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

pgJsonb(String v)

public static Value pgJsonb(String v)

Returns a PG JSONB value.

Parameter
Name	Description
v	String the value, which may be null

Returns
Type	Description
Value

pgJsonbArray(Iterable<String> v)

public static Value pgJsonbArray(Iterable<String> v)

Returns an ARRAY<JSONB> value.

Parameter
Name	Description
v	Iterable<String> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

pgNumeric(String v)

public static Value pgNumeric(String v)

Returns a PG NUMERIC value. This value has flexible precision and scale which is specified in the Database DDL. This value also supports NaNs, which can be specified with Value.pgNumeric(Value.NAN) or simply as Value.pgNumeric("NaN").

Note that this flavour of numeric is different than Spanner numerics (Value#numeric(BigDecimal)). It should be used only for handling numerics in the PostgreSQL dialect.

Parameter
Name	Description
v	String the value, which may be null

Returns
Type	Description
Value

pgNumericArray(Iterable<String> v)

public static Value pgNumericArray(Iterable<String> v)

Returns an ARRAY<PG_NUMERIC> value.

Parameter
Name	Description
v	Iterable<String> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null. Individual elements may be "NaN" or Value#NAN.

Returns
Type	Description
Value

pgOid(Long v)

public static Value pgOid(Long v)

Returns an PG_OID value.

Parameter
Name	Description
v	Long the value, which may be null

Returns
Type	Description
Value

pgOid(long v)

public static Value pgOid(long v)

Returns an PG_OID value.

Parameter
Name	Description
v	long

Returns
Type	Description
Value

pgOidArray(Iterable<Long> v)

public static Value pgOidArray(Iterable<Long> v)

Returns an ARRAY<PG_OID> value.

Parameter
Name	Description
v	Iterable<Long> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

pgOidArray(long[] v)

public static Value pgOidArray(long[] v)

Returns an ARRAY<PG_OID> value.

Parameter
Name	Description
v	long[] the source of element values, which may be null to produce a value for which isNull() is true

Returns
Type	Description
Value

pgOidArray(long[] v, int pos, int length)

public static Value pgOidArray(long[] v, int pos, int length)

Returns an ARRAY<PG_OID> value that takes its elements from a region of an array.

Parameters
Name	Description
v	long[] the source of element values, which may be null to produce a value for which isNull() is true
pos	int the start position of v to copy values from. Ignored if v is null.
length	int the number of values to copy from v. Ignored if v is null.

Returns
Type	Description
Value

protoEnum(ProtocolMessageEnum v)

public static Value protoEnum(ProtocolMessageEnum v)

Return a ENUM value for not null proto messages.

Parameter
Name	Description
v	ProtocolMessageEnum Proto Enum, which may be null.

Returns
Type	Description
Value

protoEnum(Long v, Descriptors.EnumDescriptor enumDescriptor)

public static Value protoEnum(Long v, Descriptors.EnumDescriptor enumDescriptor)

Return a ENUM value.

Parameters
Name	Description
v	Long Enum non-primitive Integer constant.
enumDescriptor	EnumDescriptor Enum Type Descriptor. Use static method from proto class * MyProtoEnum.getDescriptor().

Returns
Type	Description
Value

protoEnum(Long v, String protoTypeFqn)

public static Value protoEnum(Long v, String protoTypeFqn)

Return a ENUM value.

Parameters
Name	Description
v	Long Enum non-primitive Integer constant.
protoTypeFqn	String Fully qualified name of proto representing the enum definition. Use static method from proto class MyProtoEnum.getDescriptor().getFullName()

Returns
Type	Description
Value

protoEnum(long v, String protoTypeFqn)

public static Value protoEnum(long v, String protoTypeFqn)

Return a ENUM value.

Parameters
Name	Description
v	long Enum integer primitive constant.
protoTypeFqn	String Fully qualified name of proto representing the enum definition. Use static method from proto class MyProtoEnum.getDescriptor().getFullName()

Returns
Type	Description
Value

protoEnumArray(Iterable<ProtocolMessageEnum> v, Descriptors.EnumDescriptor descriptor)

public static Value protoEnumArray(Iterable<ProtocolMessageEnum> v, Descriptors.EnumDescriptor descriptor)

Returns an ARRAY<ENUM> value.

Parameters
Name	Description
v	Iterable<ProtocolMessageEnum> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.
descriptor	EnumDescriptor Proto Type Descriptor, use static method from proto class MyProtoClass.getDescriptor().

Returns
Type	Description
Value

protoEnumArray(Iterable<Long> v, String protoTypeFqn)

public static Value protoEnumArray(Iterable<Long> v, String protoTypeFqn)

Returns an ARRAY<ENUM> value.

Parameters
Name	Description
v	Iterable<Long> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.
protoTypeFqn	String Fully qualified name of proto representing the enum definition. Use static method from proto class MyProtoEnum.getDescriptor().getFullName()

Returns
Type	Description
Value

protoMessage(ByteArray v, Descriptors.Descriptor descriptor)

public static Value protoMessage(ByteArray v, Descriptors.Descriptor descriptor)

Return a PROTO value

Parameters
Name	Description
v	com.google.cloud.ByteArray Serialized Proto Array, which may be null.
descriptor	Descriptor Proto Type Descriptor, use static method from proto class MyProtoClass.getDescriptor().

Returns
Type	Description
Value

protoMessage(ByteArray v, String protoTypeFqn)

public static Value protoMessage(ByteArray v, String protoTypeFqn)

Return a PROTO value

Parameters
Name	Description
v	com.google.cloud.ByteArray Serialized Proto Array, which may be null.
protoTypeFqn	String Fully qualified name of proto representing the proto definition. Use static method from proto class MyProtoClass.getDescriptor().getFullName()

Returns
Type	Description
Value

protoMessage(AbstractMessage v)

public static Value protoMessage(AbstractMessage v)

Return a PROTO value for not null proto messages.

Parameter
Name	Description
v	AbstractMessage Not null Proto message.

Returns
Type	Description
Value

protoMessageArray(Iterable<ByteArray> v, String protoTypeFqn)

public static Value protoMessageArray(Iterable<ByteArray> v, String protoTypeFqn)

Returns an ARRAY<PROTO> value.

Parameters
Name	Description
v	Iterable<com.google.cloud.ByteArray> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.
protoTypeFqn	String Fully qualified name of proto representing the proto definition. Use static method from proto class MyProtoClass.getDescriptor().getFullName()

Returns
Type	Description
Value

protoMessageArray(Iterable<AbstractMessage> v, Descriptors.Descriptor descriptor)

public static Value protoMessageArray(Iterable<AbstractMessage> v, Descriptors.Descriptor descriptor)

Returns an ARRAY<PROTO> value.

Parameters
Name	Description
v	Iterable<AbstractMessage> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.
descriptor	Descriptor Proto Type Descriptor, use static method from proto class MyProtoClass.getDescriptor().

Returns
Type	Description
Value

string(String v)

public static Value string(String v)

Returns a STRING value.

Parameter
Name	Description
v	String the value, which may be null

Returns
Type	Description
Value

stringArray(Iterable<String> v)

public static Value stringArray(Iterable<String> v)

Returns an ARRAY<STRING> value.

Parameter
Name	Description
v	Iterable<String> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

struct(Struct v)

public static Value struct(Struct v)

Returns a non-NULL {#code STRUCT} value.

Parameter
Name	Description
v	Struct

Returns
Type	Description
Value

struct(Type type, Struct v)

public static Value struct(Type type, Struct v)

Returns a STRUCT value of Type type.

Parameters
Name	Description
type	Type the type of the STRUCT value
v	Struct the struct STRUCT value. This may be null to produce a value for which isNull() is true. If non-null, Struct#getType() must match type.

Returns
Type	Description
Value

structArray(Type elementType, Iterable<Struct> v)

public static Value structArray(Type elementType, Iterable<Struct> v)

Returns an ARRAY<STRUCT<...>> value.

Parameters
Name	Description
elementType	Type
v	Iterable<Struct> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

timestamp(Timestamp v)

public static Value timestamp(Timestamp v)

Returns a TIMESTAMP value.

Parameter
Name	Description
v	com.google.cloud.Timestamp

Returns
Type	Description
Value

timestampArray(Iterable<Timestamp> v)

public static Value timestampArray(Iterable<Timestamp> v)

Returns an ARRAY<TIMESTAMP> value.

Parameter
Name	Description
v	Iterable<com.google.cloud.Timestamp> the source of element values. This may be null to produce a value for which isNull() is true. Individual elements may also be null.

Returns
Type	Description
Value

untyped(Value value)

public static Value untyped(Value value)

Returns a Value that wraps the given proto value. This can be used to construct a value without a specific type, and let the backend infer the type based on the statement where it is used.

Parameter
Name	Description
value	Value the non-null proto value (a NullValue is allowed)

Returns
Type	Description
Value

Methods

<T>getProtoEnum(Function<Integer,ProtocolMessageEnum> method)

public T <T>getProtoEnum(Function<Integer,ProtocolMessageEnum> method)

Returns the value of a ENUM-typed instance.

Parameter
Name	Description
method	Function<Integer,ProtocolMessageEnum>

Returns
Type	Description
T

<T>getProtoEnumArray(Function<Integer,ProtocolMessageEnum> method)

public List<T> <T>getProtoEnumArray(Function<Integer,ProtocolMessageEnum> method)

Returns the value of an ARRAY<ENUM>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Parameter
Name	Description
method	Function<Integer,ProtocolMessageEnum>

Returns
Type	Description
List<T>

<T>getProtoMessage(T m)

public T <T>getProtoMessage(T m)

Returns the value of a PROTO-typed instance.

Parameter
Name	Description
m	T

Returns
Type	Description
T

<T>getProtoMessageArray(T m)

public List<T> <T>getProtoMessageArray(T m)

Returns the value of an ARRAY<PROTO>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Parameter
Name	Description
m	T

Returns
Type	Description
List<T>

getAsString()

public String getAsString()

Returns this value as a raw string representation. This is guaranteed to work for all values, regardless of the underlying data type, and is guaranteed not to be truncated.

Returns the string "NULL" for null values.

Returns
Type	Description
String

getAsStringList()

public ImmutableList<String> getAsStringList()

Returns this value as a list of raw string representations. This is guaranteed to work for all values, regardless of the underlying data type, and the strings are guaranteed not to be truncated. The method returns a singleton list for non-array values and a list containing as many elements as there are in the array for array values. This method can be used instead of the #getAsString() method if you need to quote the individual elements in an array.

Returns the string "NULL" for null values.

Returns
Type	Description
com.google.common.collect.ImmutableList<String>

getBool()

public abstract boolean getBool()

Returns the value of a BOOL-typed instance.

Returns
Type	Description
boolean

getBoolArray()

public abstract List<Boolean> getBoolArray()

Returns the value of an ARRAY<BOOL>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<Boolean>

getBytes()

public abstract ByteArray getBytes()

Returns the value of a BYTES-typed instance.

Returns
Type	Description
com.google.cloud.ByteArray

getBytesArray()

public abstract List<ByteArray> getBytesArray()

Returns the value of an ARRAY<BYTES>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<com.google.cloud.ByteArray>

getDate()

public abstract Date getDate()

Returns the value of a DATE-typed instance.

Returns
Type	Description
com.google.cloud.Date

getDateArray()

public abstract List<Date> getDateArray()

Returns the value of an ARRAY<DATE>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<com.google.cloud.Date>

getFloat32()

public abstract float getFloat32()

Returns the value of a FLOAT32-typed instance.

Returns
Type	Description
float

getFloat32Array()

public abstract List<Float> getFloat32Array()

Returns the value of an ARRAY<FLOAT32>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<Float>

getFloat64()

public abstract double getFloat64()

Returns the value of a FLOAT64-typed instance.

Returns
Type	Description
double

getFloat64Array()

public abstract List<Double> getFloat64Array()

Returns the value of an ARRAY<FLOAT64>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<Double>

getInt64()

public abstract long getInt64()

Returns the value of a INT64-typed instance.

Returns
Type	Description
long

getInt64Array()

public abstract List<Long> getInt64Array()

Returns the value of an ARRAY<INT64>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<Long>

getJson()

public String getJson()

Returns the value of a JSON-typed instance.

Returns
Type	Description
String

getJsonArray()

public List<String> getJsonArray()

Returns the value of an ARRAY<JSON>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<String>

getNumeric()

public abstract BigDecimal getNumeric()

Returns the value of a NUMERIC-typed instance.

Returns
Type	Description
BigDecimal

getNumericArray()

public abstract List<BigDecimal> getNumericArray()

Returns the value of an ARRAY<NUMERIC>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<BigDecimal>

getPgJsonb()

public String getPgJsonb()

Returns the value of a JSONB-typed instance.

Returns
Type	Description
String

getPgJsonbArray()

public List<String> getPgJsonbArray()

Returns the value of an ARRAY<JSONB>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<String>

getString()

public abstract String getString()

Returns the value of a STRING-typed instance.

Returns
Type	Description
String

getStringArray()

public abstract List<String> getStringArray()

Returns the value of an ARRAY<STRING>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<String>

getStruct()

public abstract Struct getStruct()

Returns the value of a STRUCT-typed instance.

Returns
Type	Description
Struct

getStructArray()

public abstract List<Struct> getStructArray()

Returns the value of an ARRAY<STRUCT<...>>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<Struct>

getTimestamp()

public abstract Timestamp getTimestamp()

Returns the value of a TIMESTAMP-typed instance.

Returns
Type	Description
com.google.cloud.Timestamp

getTimestampArray()

public abstract List<Timestamp> getTimestampArray()

Returns the value of an ARRAY<TIMESTAMP>-typed instance. While the returned list itself will never be null, elements of that list may be null.

Returns
Type	Description
List<com.google.cloud.Timestamp>

getType()

public abstract Type getType()

Returns the type of this value. This will return a type even if isNull() is true.

Returns
Type	Description
Type

isCommitTimestamp()

public abstract boolean isCommitTimestamp()

Returns true if this is a commit timestamp value.

Returns
Type	Description
boolean

isNull()

public abstract boolean isNull()

Returns true if this instance represents a NULL value.

Returns
Type	Description
boolean

toString()

public String toString()

Returns
Type	Description
String

Overrides

Object.toString()