Class ColumnNameByIndexCallableResultReader

java.lang.Object

io.micronaut.data.jdbc.mapper.ColumnNameByIndexCallableResultReader

All Implemented Interfaces:

ResultReader<CallableStatement, String>

@Internal
public final class ColumnNameByIndexCallableResultReader
extends Object
implements ResultReader<CallableStatement, String>

A result reader that uses the column name to retrieve the column index and then delegates to ColumnIndexCallableResultReader to read the value.

Since:

5.0

Author:

radovanradic

Constructor Summary

Constructors

Constructor	Description
ColumnNameByIndexCallableResultReader(ColumnIndexCallableResultReader delegate, Map<String,Integer> columnIndexesByName)	Constructs a new instance of ColumnNameByIndexCallableResultReader.

Method Summary

Modifier and Type	Method	Description
<T> T	convertRequired(@NonNull Object value, Class<T> type)	Convert the value to the given type.
io.micronaut.core.convert.ConversionService	getConversionService()	Get conversion service.
<T> @Nullable T	getRequiredValue(CallableStatement cs, String name, Class<T> type)	Get a value from the given result set for the given name and type.
boolean	next(CallableStatement cs)	Move the index to the next result if possible.
@Nullable BigDecimal	readBigDecimal(CallableStatement cs, String name)	Read a BigDecimal value for the given name.
boolean	readBoolean(CallableStatement cs, String name)	Read a boolean value for the given name.
byte	readByte(CallableStatement cs, String name)	Read a byte value for the given name.
byte @Nullable []	readBytes(CallableStatement cs, String name)	Read a byte[] value for the given name.
char	readChar(CallableStatement cs, String name)	Read a char value for the given name.
@Nullable Date	readDate(CallableStatement cs, String name)	Read a date value for the given name.
double	readDouble(CallableStatement cs, String name)	Read a double value for the given name.
@Nullable Object	readDynamic(@NonNull CallableStatement cs, @NonNull String index, @NonNull DataType dataType)	Read a value dynamically using the result set and the given name and data type.
float	readFloat(CallableStatement cs, String name)	Read a float value for the given name.
int	readInt(CallableStatement cs, String name)	Read an int value for the given name.
long	readLong(CallableStatement cs, String name)	Read a long value for the given name.
short	readShort(CallableStatement cs, String name)	Read a short value for the given name.
@Nullable String	readString(CallableStatement cs, String name)	Read a string value for the given name.
@Nullable Time	readTime(CallableStatement cs, String index)	Read a time value for the given index.
@Nullable Date	readTimestamp(CallableStatement cs, String index)	Read a timestamp value for the given index.

Methods inherited from class Object

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

Methods inherited from interface ResultReader

convertRequired, getRequiredValueNonNull, readDuration, readPeriod, readUUID

Constructor Details

ColumnNameByIndexCallableResultReader

public ColumnNameByIndexCallableResultReader(ColumnIndexCallableResultReader delegate,
 Map<String,Integer> columnIndexesByName)

Constructs a new instance of ColumnNameByIndexCallableResultReader.

Parameters:

delegate - The delegate ColumnIndexCallableResultReader to use for reading values

columnIndexesByName - The map of column indexes by names used as out parameters for the callable statement

Method Details

getConversionService

public io.micronaut.core.convert.ConversionService getConversionService()

Description copied from interface: ResultReader

Get conversion service.

Specified by:

getConversionService in interface ResultReader<CallableStatement, String>

Returns:

the instance of ConversionService

readDynamic

public @Nullable Object readDynamic(@NonNull CallableStatement cs,
 @NonNull String index,
 @NonNull DataType dataType)

Description copied from interface: ResultReader

Read a value dynamically using the result set and the given name and data type.

Specified by:

readDynamic in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

index - The name

dataType - The data type

Returns:

The value, can be null

next

public boolean next(CallableStatement cs)

Description copied from interface: ResultReader

Move the index to the next result if possible.

Specified by:

next in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

Returns:

The next result

convertRequired

public <T> T convertRequired(@NonNull Object value,
 Class<T> type)

Description copied from interface: ResultReader

Convert the value to the given type.

Specified by:

convertRequired in interface ResultReader<CallableStatement, String>

Type Parameters:

T - The generic type

Parameters:

value - The value

type - The type

Returns:

The converted value

readTimestamp

public @Nullable Date readTimestamp(CallableStatement cs,
 String index)

Description copied from interface: ResultReader

Read a timestamp value for the given index.

Specified by:

readTimestamp in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

index - The index (such as the column name)

Returns:

The char value

readTime

public @Nullable Time readTime(CallableStatement cs,
 String index)

Description copied from interface: ResultReader

Read a time value for the given index.

Specified by:

readTime in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

index - The index (such as the column name)

Returns:

The char value

readLong

public long readLong(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a long value for the given name.

Specified by:

readLong in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The long value

readChar

public char readChar(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a char value for the given name.

Specified by:

readChar in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The char value

readDate

public @Nullable Date readDate(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a date value for the given name.

Specified by:

readDate in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The char value

readString

public @Nullable String readString(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a string value for the given name.

Specified by:

readString in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The string value

readInt

public int readInt(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read an int value for the given name.

Specified by:

readInt in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The int value

readBoolean

public boolean readBoolean(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a boolean value for the given name.

Specified by:

readBoolean in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The boolean value

readFloat

public float readFloat(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a float value for the given name.

Specified by:

readFloat in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The float value

readByte

public byte readByte(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a byte value for the given name.

Specified by:

readByte in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The byte value

readShort

public short readShort(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a short value for the given name.

Specified by:

readShort in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The short value

readDouble

public double readDouble(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a double value for the given name.

Specified by:

readDouble in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The double value

readBigDecimal

public @Nullable BigDecimal readBigDecimal(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a BigDecimal value for the given name.

Specified by:

readBigDecimal in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The BigDecimal value

readBytes

public byte @Nullable [] readBytes(CallableStatement cs,
 String name)

Description copied from interface: ResultReader

Read a byte[] value for the given name.

Specified by:

readBytes in interface ResultReader<CallableStatement, String>

Parameters:

cs - The result set

name - The name (such as the column name)

Returns:

The byte[] value

getRequiredValue

public <T> @Nullable T getRequiredValue(CallableStatement cs,
 String name,
 Class<T> type)
                                 throws DataAccessException

Description copied from interface: ResultReader

Get a value from the given result set for the given name and type.

Specified by:

getRequiredValue in interface ResultReader<CallableStatement, String>

Type Parameters:

T - The generic type

Parameters:

cs - The result set

name - The name

type - The type

Returns:

The value

Throws:

DataAccessException - if the value cannot be read