Class ForwardingStructReader (6.25.1)

public class ForwardingStructReader implements StructReader

Forwarding implements of StructReader

Inheritance

java.lang.Object > ForwardingStructReader

Implements

StructReader

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)

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`