net.oneandone.troilus.interceptor

Class ConstraintsInterceptor

java.lang.Object

net.oneandone.troilus.interceptor.ConstraintsInterceptor

All Implemented Interfaces:

QueryInterceptor, WriteQueryRequestInterceptor

public class ConstraintsInterceptor
extends Object
implements WriteQueryRequestInterceptor

ConstraintsInterceptor

Method Summary

Modifier and Type	Method and Description
static ConstraintsInterceptor	newConstraints()
com.google.common.util.concurrent.ListenableFuture<WriteQueryData>	onWriteRequestAsync(WriteQueryData queryData)
ConstraintsInterceptor	withImmutableColumn(ColumnName<?> columnName)
ConstraintsInterceptor	withImmutableColumn(String columnName)
ConstraintsInterceptor	withNotNullColumn(ColumnName<?> columnName)
ConstraintsInterceptor	withNotNullColumn(String columnName)

Methods inherited from class java.lang.Object

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

Method Detail

newConstraints

public static ConstraintsInterceptor newConstraints()

Returns:

a new instance

withNotNullColumn

public ConstraintsInterceptor withNotNullColumn(ColumnName<?> columnName)

Parameters:

columnName - the column name of the not null column

Returns:

a new instance updated with this constraint

withNotNullColumn

public ConstraintsInterceptor withNotNullColumn(String columnName)

Parameters:

columnName - the column name of the not null column

Returns:

a new instance updated with this constraint

withImmutableColumn

public ConstraintsInterceptor withImmutableColumn(ColumnName<?> columnName)

Parameters:

columnName - the column name of the immutable column. Please consider, that every write operation without ifNotExists() will count as an update

Returns:

a new instance updated with this constraint

withImmutableColumn

public ConstraintsInterceptor withImmutableColumn(String columnName)

Parameters:

columnName - the column name of the immutable column. Please consider, that every write operation without ifNotExists() will count as an update

Returns:

a new instance updated with this constraint

onWriteRequestAsync

public com.google.common.util.concurrent.ListenableFuture<WriteQueryData> onWriteRequestAsync(WriteQueryData queryData)
                                                                                       throws ConstraintException

Specified by:

onWriteRequestAsync in interface WriteQueryRequestInterceptor

Parameters:

queryData - the request data

Returns:

the (modified) request data

Throws:

ConstraintException