public boolean equals(SliceRange that) {
if (that == null) return false;
boolean this_present_start = true && this.isSetStart();
boolean that_present_start = true && that.isSetStart();
if (this_present_start || that_present_start) {
if (!(this_present_start && that_present_start)) return false;
if (!java.util.Arrays.equals(this.start, that.start)) return false;
}
boolean this_present_finish = true && this.isSetFinish();
boolean that_present_finish = true && that.isSetFinish();
if (this_present_finish || that_present_finish) {
if (!(this_present_finish && that_present_finish)) return false;
if (!java.util.Arrays.equals(this.finish, that.finish)) return false;
}
boolean this_present_reversed = true;
boolean that_present_reversed = true;
if (this_present_reversed || that_present_reversed) {
if (!(this_present_reversed && that_present_reversed)) return false;
if (this.reversed != that.reversed) return false;
}
boolean this_present_count = true;
boolean that_present_count = true;
if (this_present_count || that_present_count) {
if (!(this_present_count && that_present_count)) return false;
if (this.count != that.count) return false;
}
return true;
}
private SlicePredicate predicateWithCount(int count) {
SliceRange range = new SliceRange();
range.setStart("".getBytes());
range.setFinish("".getBytes());
range.setCount(count);
SlicePredicate predicate = new SlicePredicate();
predicate.setSlice_range(range);
return predicate;
}
/** Performs a deep copy on <i>other</i>. */
public SliceRange(SliceRange other) {
__isset_bitfield = other.__isset_bitfield;
if (other.isSetStart()) {
this.start = org.apache.thrift.TBaseHelper.copyBinary(other.start);
;
}
if (other.isSetFinish()) {
this.finish = org.apache.thrift.TBaseHelper.copyBinary(other.finish);
;
}
this.reversed = other.reversed;
this.count = other.count;
}
/** Performs a deep copy on <i>other</i>. */
public SliceRange(SliceRange other) {
__isset_bit_vector.clear();
__isset_bit_vector.or(other.__isset_bit_vector);
if (other.isSetStart()) {
this.start = new byte[other.start.length];
System.arraycopy(other.start, 0, start, 0, other.start.length);
}
if (other.isSetFinish()) {
this.finish = new byte[other.finish.length];
System.arraycopy(other.finish, 0, finish, 0, other.finish.length);
}
this.reversed = other.reversed;
this.count = other.count;
}
@Override
public void read(org.apache.thrift.protocol.TProtocol prot, SliceRange struct)
throws org.apache.thrift.TException {
TTupleProtocol iprot = (TTupleProtocol) prot;
struct.start = iprot.readBinary();
struct.setStartIsSet(true);
struct.finish = iprot.readBinary();
struct.setFinishIsSet(true);
struct.reversed = iprot.readBool();
struct.setReversedIsSet(true);
struct.count = iprot.readI32();
struct.setCountIsSet(true);
}
public static void main(String[] args) throws UnsupportedEncodingException,
InvalidRequestException, UnavailableException, TimedOutException,
TException, NotFoundException {
TTransport tr = new TSocket(“192.168.1.204″, 9160);
TProtocol proto = new TBinaryProtocol(tr);
Cassandra.Client client = new Cassandra.Client(proto);
tr.open();
String keyspace = “Historical_Info”;
String columnFamily = “Historical_Info_Column”;
//String keyUserID = “3”;
// read entire row
SlicePredicate predicate = new SlicePredicate();
SliceRange sliceRange = new SliceRange();
sliceRange.setStart(new byte[0]);
sliceRange.setFinish(new byte[0]);
predicate.setSlice_range(sliceRange);
KeyRange keyrRange = new KeyRange();
keyrRange.setStart_key(“1″);
keyrRange.setEnd_key(“”);
//keyrRange.setCount(100);
ColumnParent parent = new ColumnParent(columnFamily);
List < KeySlice > ls = client.get_range_slices(keyspace, parent, predicate, keyrRange, ConsistencyLevel.ONE);
for (KeySlice result: ls) {
List < ColumnOrSuperColumn > column = result.columns;
for (ColumnOrSuperColumn result2: column) {
Column column2 = result2.column;
System.out.println(new String(column2.name, UTF8) + ” - > ” + new String(column2.value, UTF8));
}
}
tr.close();
}
public int compareTo(SliceRange other) {
if (!getClass().equals(other.getClass())) {
return getClass().getName().compareTo(other.getClass().getName());
}
int lastComparison = 0;
SliceRange typedOther = (SliceRange) other;
lastComparison = Boolean.valueOf(isSetStart()).compareTo(typedOther.isSetStart());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetStart()) {
lastComparison = TBaseHelper.compareTo(this.start, typedOther.start);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetFinish()).compareTo(typedOther.isSetFinish());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetFinish()) {
lastComparison = TBaseHelper.compareTo(this.finish, typedOther.finish);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetReversed()).compareTo(typedOther.isSetReversed());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetReversed()) {
lastComparison = TBaseHelper.compareTo(this.reversed, typedOther.reversed);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetCount()).compareTo(typedOther.isSetCount());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetCount()) {
lastComparison = TBaseHelper.compareTo(this.count, typedOther.count);
if (lastComparison != 0) {
return lastComparison;
}
}
return 0;
}
@Override
public int compareTo(SliceRange other) {
if (!getClass().equals(other.getClass())) {
return getClass().getName().compareTo(other.getClass().getName());
}
int lastComparison = 0;
lastComparison = Boolean.valueOf(isSetStart()).compareTo(other.isSetStart());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetStart()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.start, other.start);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetFinish()).compareTo(other.isSetFinish());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetFinish()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.finish, other.finish);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetReversed()).compareTo(other.isSetReversed());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetReversed()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.reversed, other.reversed);
if (lastComparison != 0) {
return lastComparison;
}
}
lastComparison = Boolean.valueOf(isSetCount()).compareTo(other.isSetCount());
if (lastComparison != 0) {
return lastComparison;
}
if (isSetCount()) {
lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.count, other.count);
if (lastComparison != 0) {
return lastComparison;
}
}
return 0;
}
public static void validateRange(String keyspace, ColumnParent column_parent, SliceRange range)
throws InvalidRequestException {
AbstractType comparator =
ColumnFamily.getComparatorFor(
keyspace, column_parent.column_family, column_parent.super_column);
try {
comparator.validate(range.start);
comparator.validate(range.finish);
} catch (MarshalException e) {
throw new InvalidRequestException(e.getMessage());
}
if (range.count < 0) throw new InvalidRequestException("get_slice requires non-negative count");
Comparator<ByteBuffer> orderedComparator =
range.isReversed() ? comparator.getReverseComparator() : comparator;
if (range.start.remaining() > 0
&& range.finish.remaining() > 0
&& orderedComparator.compare(range.start, range.finish) > 0) {
throw new InvalidRequestException(
"range finish must come after start in the order of traversal");
}
}
public void write(org.apache.thrift.protocol.TProtocol oprot, SliceRange struct)
throws org.apache.thrift.TException {
struct.validate();
oprot.writeStructBegin(STRUCT_DESC);
if (struct.start != null) {
oprot.writeFieldBegin(START_FIELD_DESC);
oprot.writeBinary(struct.start);
oprot.writeFieldEnd();
}
if (struct.finish != null) {
oprot.writeFieldBegin(FINISH_FIELD_DESC);
oprot.writeBinary(struct.finish);
oprot.writeFieldEnd();
}
oprot.writeFieldBegin(REVERSED_FIELD_DESC);
oprot.writeBool(struct.reversed);
oprot.writeFieldEnd();
oprot.writeFieldBegin(COUNT_FIELD_DESC);
oprot.writeI32(struct.count);
oprot.writeFieldEnd();
oprot.writeFieldStop();
oprot.writeStructEnd();
}
public void read(org.apache.thrift.protocol.TProtocol iprot, SliceRange struct)
throws org.apache.thrift.TException {
org.apache.thrift.protocol.TField schemeField;
iprot.readStructBegin();
while (true) {
schemeField = iprot.readFieldBegin();
if (schemeField.type == org.apache.thrift.protocol.TType.STOP) {
break;
}
switch (schemeField.id) {
case 1: // START
if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
struct.start = iprot.readBinary();
struct.setStartIsSet(true);
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
}
break;
case 2: // FINISH
if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
struct.finish = iprot.readBinary();
struct.setFinishIsSet(true);
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
}
break;
case 3: // REVERSED
if (schemeField.type == org.apache.thrift.protocol.TType.BOOL) {
struct.reversed = iprot.readBool();
struct.setReversedIsSet(true);
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
}
break;
case 4: // COUNT
if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
struct.count = iprot.readI32();
struct.setCountIsSet(true);
} else {
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
}
break;
default:
org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
}
iprot.readFieldEnd();
}
iprot.readStructEnd();
// check for required fields of primitive type, which can't be checked in the validate method
if (!struct.isSetReversed()) {
throw new org.apache.thrift.protocol.TProtocolException(
"Required field 'reversed' was not found in serialized data! Struct: " + toString());
}
if (!struct.isSetCount()) {
throw new org.apache.thrift.protocol.TProtocolException(
"Required field 'count' was not found in serialized data! Struct: " + toString());
}
struct.validate();
}