Class ForwardingStructReader 

public class ForwardingStructReader implements StructReader

Forwarding implements of StructReader

Inheritance

java.lang.Object > ForwardingStructReader

Implements

StructReader

Constructors

ForwardingStructReader(StructReader delegate)

public ForwardingStructReader(StructReader delegate)
Parameter
Name Description
delegate StructReader

ForwardingStructReader(Supplier<? extends StructReader> delegate)

public ForwardingStructReader(Supplier<? extends StructReader> delegate)
Parameter
Name Description
delegate com.google.common.base.Supplier<? extends com.google.cloud.spanner.StructReader>

Methods

checkValidState()

protected void checkValidState()

Called before each forwarding call to allow sub classes to do additional state checking. Sub classes should throw an Exception if the current state is not valid for reading data from this ForwardingStructReader. The default implementation does nothing.

getBigDecimal(int columnIndex)

public BigDecimal getBigDecimal(int columnIndex)

Returns the value of a non-NULL column with type Type#numeric().

Parameter
Name Description
columnIndex int
Returns
Type Description
BigDecimal

getBigDecimal(String columnName)

public BigDecimal getBigDecimal(String columnName)

Returns the value of a non-NULL column with type Type#numeric().

Parameter
Name Description
columnName String
Returns
Type Description
BigDecimal

getBigDecimalList(int columnIndex)

public List<BigDecimal> getBigDecimalList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.numeric()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<BigDecimal>

getBigDecimalList(String columnName)

public List<BigDecimal> getBigDecimalList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.numeric()).

Parameter
Name Description
columnName String
Returns
Type Description
List<BigDecimal>

getBoolean(int columnIndex)

public boolean getBoolean(int columnIndex)

Returns the value of a non-NULL column with type Type#bool().

Parameter
Name Description
columnIndex int
Returns
Type Description
boolean

getBoolean(String columnName)

public boolean getBoolean(String columnName)

Returns the value of a non-NULL column with type Type#bool().

Parameter
Name Description
columnName String
Returns
Type Description
boolean

getBooleanArray(int columnIndex)

public boolean[] getBooleanArray(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.bool()).

Parameter
Name Description
columnIndex int
Returns
Type Description
boolean[]

getBooleanArray(String columnName)

public boolean[] getBooleanArray(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.bool()).

Parameter
Name Description
columnName String
Returns
Type Description
boolean[]

getBooleanList(int columnIndex)

public List<Boolean> getBooleanList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.bool()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<Boolean>

getBooleanList(String columnName)

public List<Boolean> getBooleanList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.bool()).

Parameter
Name Description
columnName String
Returns
Type Description
List<Boolean>

getBytes(int columnIndex)

public ByteArray getBytes(int columnIndex)

Returns the value of a non-NULL column with type Type#bytes().

Parameter
Name Description
columnIndex int
Returns
Type Description
com.google.cloud.ByteArray

getBytes(String columnName)

public ByteArray getBytes(String columnName)

Returns the value of a non-NULL column with type Type#bytes().

Parameter
Name Description
columnName String
Returns
Type Description
com.google.cloud.ByteArray

getBytesList(int columnIndex)

public List<ByteArray> getBytesList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.bytes()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<com.google.cloud.ByteArray>

getBytesList(String columnName)

public List<ByteArray> getBytesList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.bytes()).

Parameter
Name Description
columnName String
Returns
Type Description
List<com.google.cloud.ByteArray>

getColumnCount()

public int getColumnCount()

Returns the number of columns in the underlying data. This includes any columns with NULL values.

Returns
Type Description
int

getColumnIndex(String columnName)

public int getColumnIndex(String columnName)

Returns the index of the column named columnName.

Parameter
Name Description
columnName String
Returns
Type Description
int

getColumnType(int columnIndex)

public Type getColumnType(int columnIndex)

Returns the type of a column.

Parameter
Name Description
columnIndex int
Returns
Type Description
Type

getColumnType(String columnName)

public Type getColumnType(String columnName)

Returns the type of a column.

Parameter
Name Description
columnName String
Returns
Type Description
Type

getDate(int columnIndex)

public Date getDate(int columnIndex)

Returns the value of a non-NULL column with type Type#date().

Parameter
Name Description
columnIndex int
Returns
Type Description
com.google.cloud.Date

getDate(String columnName)

public Date getDate(String columnName)

Returns the value of a non-NULL column with type Type#date().

Parameter
Name Description
columnName String
Returns
Type Description
com.google.cloud.Date

getDateList(int columnIndex)

public List<Date> getDateList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.date()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<com.google.cloud.Date>

getDateList(String columnName)

public List<Date> getDateList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.date()).

Parameter
Name Description
columnName String
Returns
Type Description
List<com.google.cloud.Date>

getDouble(int columnIndex)

public double getDouble(int columnIndex)

Returns the value of a non-NULL column with type Type#float64().

Parameter
Name Description
columnIndex int
Returns
Type Description
double

getDouble(String columnName)

public double getDouble(String columnName)

Returns the value of a non-NULL column with type Type#float64().

Parameter
Name Description
columnName String
Returns
Type Description
double

getDoubleArray(int columnIndex)

public double[] getDoubleArray(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.float64()).

Parameter
Name Description
columnIndex int
Returns
Type Description
double[]

getDoubleArray(String columnName)

public double[] getDoubleArray(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.float64()).

Parameter
Name Description
columnName String
Returns
Type Description
double[]

getDoubleList(int columnIndex)

public List<Double> getDoubleList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.float64()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<Double>

getDoubleList(String columnName)

public List<Double> getDoubleList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.float64()).

Parameter
Name Description
columnName String
Returns
Type Description
List<Double>

getJson(int columnIndex)

public String getJson(int columnIndex)

Returns the value of a non-NULL column with type Type#string().

Parameter
Name Description
columnIndex int
Returns
Type Description
String

getJson(String columnName)

public String getJson(String columnName)

Returns the value of a non-NULL column with type Type#string().

Parameter
Name Description
columnName String
Returns
Type Description
String

getJsonList(int columnIndex)

public List<String> getJsonList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.string()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<String>

getJsonList(String columnName)

public List<String> getJsonList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.string()).

Parameter
Name Description
columnName String
Returns
Type Description
List<String>

getLong(int columnIndex)

public long getLong(int columnIndex)

Returns the value of a non-NULL column with type Type#int64().

Parameter
Name Description
columnIndex int
Returns
Type Description
long

getLong(String columnName)

public long getLong(String columnName)

Returns the value of a non-NULL column with type Type#int64().

Parameter
Name Description
columnName String
Returns
Type Description
long

getLongArray(int columnIndex)

public long[] getLongArray(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.int64()).

Parameter
Name Description
columnIndex int
Returns
Type Description
long[]

getLongArray(String columnName)

public long[] getLongArray(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.int64()).

Parameter
Name Description
columnName String
Returns
Type Description
long[]

getLongList(int columnIndex)

public List<Long> getLongList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.int64()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<Long>

getLongList(String columnName)

public List<Long> getLongList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.int64()).

Parameter
Name Description
columnName String
Returns
Type Description
List<Long>

getString(int columnIndex)

public String getString(int columnIndex)

Returns the value of a non-NULL column with type Type#string().

Parameter
Name Description
columnIndex int
Returns
Type Description
String

getString(String columnName)

public String getString(String columnName)

Returns the value of a non-NULL column with type Type#string().

Parameter
Name Description
columnName String
Returns
Type Description
String

getStringList(int columnIndex)

public List<String> getStringList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.string()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<String>

getStringList(String columnName)

public List<String> getStringList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.string()).

Parameter
Name Description
columnName String
Returns
Type Description
List<String>

getStructList(int columnIndex)

public List<Struct> getStructList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.struct(...)).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<Struct>

getStructList(String columnName)

public List<Struct> getStructList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.struct(...)).

Parameter
Name Description
columnName String
Returns
Type Description
List<Struct>

getTimestamp(int columnIndex)

public Timestamp getTimestamp(int columnIndex)

Returns the value of a non-NULL column with type Type#timestamp().

Parameter
Name Description
columnIndex int
Returns
Type Description
com.google.cloud.Timestamp

getTimestamp(String columnName)

public Timestamp getTimestamp(String columnName)

Returns the value of a non-NULL column with type Type#timestamp().

Parameter
Name Description
columnName String
Returns
Type Description
com.google.cloud.Timestamp

getTimestampList(int columnIndex)

public List<Timestamp> getTimestampList(int columnIndex)

Returns the value of a non-NULL column with type Type.array(Type.timestamp()).

Parameter
Name Description
columnIndex int
Returns
Type Description
List<com.google.cloud.Timestamp>

getTimestampList(String columnName)

public List<Timestamp> getTimestampList(String columnName)

Returns the value of a non-NULL column with type Type.array(Type.timestamp()).

Parameter
Name Description
columnName String
Returns
Type Description
List<com.google.cloud.Timestamp>

getType()

public Type getType()

Returns the type of the underlying data. This will always be a STRUCT type, with fields corresponding to the data's columns. For the result of a read or query, this will always match the columns passed to the read() call or named in the query text, in order.

Returns
Type Description
Type

getValue(int columnIndex)

public Value getValue(int columnIndex)

Returns the value of a nullable column as a Value.

Parameter
Name Description
columnIndex int
Returns
Type Description
Value

getValue(String columnName)

public Value getValue(String columnName)

Returns the value of a nullable column as a Value.

Parameter
Name Description
columnName String
Returns
Type Description
Value

isNull(int columnIndex)

public boolean isNull(int columnIndex)

Returns true if a column contains a NULL value.

Parameter
Name Description
columnIndex int
Returns
Type Description
boolean

isNull(String columnName)

public boolean isNull(String columnName)

Returns true if a column contains a NULL value.

Parameter
Name Description
columnName String
Returns
Type Description
boolean