@Override
public Matcher visit(IsNull isNull) {
return isNull
.getField()
.accept(
new VisitorAdapter<Matcher>() {
@Override
public Matcher visit(final Field field) {
return new Matcher() {
@Override
public boolean match(DataRecord record) {
return record.get(field.getFieldMetadata()) == null;
}
};
}
@Override
public Matcher visit(StagingBlockKey stagingBlockKey) {
return new Matcher() {
@Override
public boolean match(DataRecord record) {
return record
.getRecordMetadata()
.getRecordProperties()
.get(StagingStorage.METADATA_STAGING_BLOCK_KEY)
== null;
}
};
}
});
}
