本文整理汇总了Java中cascading.tuple.Tuple.getObject方法的典型用法代码示例。如果您正苦于以下问题：Java Tuple.getObject方法的具体用法？Java Tuple.getObject怎么用？Java Tuple.getObject使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cascading.tuple.Tuple的用法示例。
在下文中一共展示了Tuple.getObject方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: write
import cascading.tuple.Tuple; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
@Override
public Result write(SinkCall<Object[], ?> sinkCall, Generator generator) {
Tuple tuple = CascadingUtils.coerceToString(sinkCall);
// consider names (in case of aliases these are already applied)
List<String> names = (List<String>) sinkCall.getContext()[0];
generator.writeBeginObject();
for (int i = 0; i < tuple.size(); i++) {
String name = (i < names.size() ? names.get(i) : "tuple" + i);
// filter out fields
if (shouldKeep(generator.getParentPath(), name)) {
generator.writeFieldName(name);
Object object = tuple.getObject(i);
Result result = jdkWriter.write(object, generator);
if (!result.isSuccesful()) {
if (object instanceof Writable) {
return writableWriter.write((Writable) object, generator);
}
return Result.FAILED(object);
}
}
}
generator.writeEndObject();
return Result.SUCCESFUL();
}
示例2: convert
import cascading.tuple.Tuple; //导入方法依赖的package包/类
@Override
public void convert(Object from, BytesArray to) {
// expect a tuple holding one field - chararray or bytearray
Assert.isTrue(from instanceof SinkCall,
String.format("Unexpected object type, expecting [%s], given [%s]", SinkCall.class, from.getClass()));
// handle common cases
SinkCall sinkCall = (SinkCall) from;
Tuple rawTuple = sinkCall.getOutgoingEntry().getTuple();
if (rawTuple == null || rawTuple.isEmpty()) {
to.bytes("{}");
return;
}
Assert.isTrue(rawTuple.size() == 1, "When using JSON input, only one field is expected");
// postpone the coercion
Tuple tuple = CascadingUtils.coerceToString(sinkCall);
super.convert(tuple.getObject(0), to);
}
示例3: writeNullMask
import cascading.tuple.Tuple; //导入方法依赖的package包/类
public static void writeNullMask(
Tuple t, DataOutputView target) throws IOException {
final int length = t.size();
int b;
int bytePos;
for(int fieldPos = 0; fieldPos < length; ) {
b = 0x00;
// set bits in byte
for(bytePos = 0; bytePos < 8 && fieldPos < length; bytePos++, fieldPos++) {
b = b << 1;
// set bit if field is null
if(t.getObject(fieldPos) == null) {
b |= 0x01;
}
}
// shift bits if last byte is not completely filled
for(; bytePos < 8; bytePos++) {
b = b << 1;
}
// write byte
target.writeByte(b);
}
}
示例4: copy
import cascading.tuple.Tuple; //导入方法依赖的package包/类
@Override
public Tuple copy(Tuple from) {
Tuple target = Tuple.size(from.size());
for (int i = 0; i < from.size(); i++) {
try {
Object orig = from.getObject(i);
if (orig != null) {
target.set(i, fieldSers[i].copy(orig));
}
else {
target.set(i, null);
}
}
catch(ClassCastException cce) {
throw new FlowException("Unexpected type of field \""+fields.get(i)+"\" encountered. " +
"Should have been "+fields.getType(i)+" but was "+from.getObject(i).getClass()+".", cce);
}
}
return target;
}
示例5: serialize
import cascading.tuple.Tuple; //导入方法依赖的package包/类
@Override
public void serialize(Tuple value, DataOutputView target) throws IOException {
// write null mask
NullMaskSerDeUtils.writeNullMask(value, target);
for (int i = 0; i < value.size(); i++) {
Object o = value.getObject(i);
if(o != null) {
try {
fieldSers[i].serialize(o, target);
}
catch(ClassCastException cce) {
throw new FlowException("Unexpected type of field \""+fields.get(i)+"\" encountered. " +
"Should have been "+fields.getType(i)+" but was "+o.getClass()+".", cce);
}
}
}
}
示例6: serialize
import cascading.tuple.Tuple; //导入方法依赖的package包/类
@Override
public void serialize(Tuple value, DataOutputView target) throws IOException {
// write length
target.writeInt(value.size());
// write null mask
NullMaskSerDeUtils.writeNullMask(value, target);
for (int i = 0; i < value.size(); i++) {
Object o = value.getObject(i);
if(o != null) {
fieldSer.serialize(o, target);
}
}
}