/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package backtype.storm.tuple;
import backtype.storm.generated.GlobalStreamId;
import backtype.storm.task.GeneralTopologyContext;
import backtype.storm.utils.IndifferentAccessMap;
import clojure.lang.ASeq;
import clojure.lang.Counted;
import clojure.lang.IMeta;
import clojure.lang.IPersistentMap;
import clojure.lang.ISeq;
import clojure.lang.Indexed;
import clojure.lang.Keyword;
import clojure.lang.MapEntry;
import clojure.lang.Obj;
import clojure.lang.PersistentArrayMap;
import clojure.lang.Seqable;
import clojure.lang.Symbol;
import java.util.List;
public class TupleImpl extends IndifferentAccessMap implements Seqable, Indexed, IMeta, Tuple {
private List<Object> values;
private int taskId;
private String streamId;
private GeneralTopologyContext context;
private MessageId id;
private IPersistentMap _meta = null;
public TupleImpl(GeneralTopologyContext context, List<Object> values, int taskId, String streamId, MessageId id) {
this.values = values;
this.taskId = taskId;
this.streamId = streamId;
this.id = id;
this.context = context;
String componentId = context.getComponentId(taskId);
Fields schema = context.getComponentOutputFields(componentId, streamId);
if(values.size()!=schema.size()) {
throw new IllegalArgumentException(
"Tuple created with wrong number of fields. " +
"Expected " + schema.size() + " fields but got " +
values.size() + " fields");
}
}
public TupleImpl(GeneralTopologyContext context, List<Object> values, int taskId, String streamId) {
this(context, values, taskId, streamId, MessageId.makeUnanchored());
}
Long _processSampleStartTime = null;
Long _executeSampleStartTime = null;
public void setProcessSampleStartTime(long ms) {
_processSampleStartTime = ms;
}
public Long getProcessSampleStartTime() {
return _processSampleStartTime;
}
public void setExecuteSampleStartTime(long ms) {
_executeSampleStartTime = ms;
}
public Long getExecuteSampleStartTime() {
return _executeSampleStartTime;
}
long _outAckVal = 0;
public void updateAckVal(long val) {
_outAckVal = _outAckVal ^ val;
}
public long getAckVal() {
return _outAckVal;
}
public int size() {
return values.size();
}
public int fieldIndex(String field) {
return getFields().fieldIndex(field);
}
public boolean contains(String field) {
return getFields().contains(field);
}
public Object getValue(int i) {
return values.get(i);
}
public String getString(int i) {
return (String) values.get(i);
}
public Integer getInteger(int i) {
return (Integer) values.get(i);
}
public Long getLong(int i) {
return (Long) values.get(i);
}
public Boolean getBoolean(int i) {
return (Boolean) values.get(i);
}
public Short getShort(int i) {
return (Short) values.get(i);
}
public Byte getByte(int i) {
return (Byte) values.get(i);
}
public Double getDouble(int i) {
return (Double) values.get(i);
}
public Float getFloat(int i) {
return (Float) values.get(i);
}
public byte[] getBinary(int i) {
return (byte[]) values.get(i);
}
public Object getValueByField(String field) {
return values.get(fieldIndex(field));
}
public String getStringByField(String field) {
return (String) values.get(fieldIndex(field));
}
public Integer getIntegerByField(String field) {
return (Integer) values.get(fieldIndex(field));
}
public Long getLongByField(String field) {
return (Long) values.get(fieldIndex(field));
}
public Boolean getBooleanByField(String field) {
return (Boolean) values.get(fieldIndex(field));
}
public Short getShortByField(String field) {
return (Short) values.get(fieldIndex(field));
}
public Byte getByteByField(String field) {
return (Byte) values.get(fieldIndex(field));
}
public Double getDoubleByField(String field) {
return (Double) values.get(fieldIndex(field));
}
public Float getFloatByField(String field) {
return (Float) values.get(fieldIndex(field));
}
public byte[] getBinaryByField(String field) {
return (byte[]) values.get(fieldIndex(field));
}
public List<Object> getValues() {
return values;
}
public Fields getFields() {
return context.getComponentOutputFields(getSourceComponent(), getSourceStreamId());
}
public List<Object> select(Fields selector) {
return getFields().select(selector, values);
}
public GlobalStreamId getSourceGlobalStreamid() {
return new GlobalStreamId(getSourceComponent(), streamId);
}
public String getSourceComponent() {
return context.getComponentId(taskId);
}
public int getSourceTask() {
return taskId;
}
public String getSourceStreamId() {
return streamId;
}
public MessageId getMessageId() {
return id;
}
@Override
public String toString() {
return "source: " + getSourceComponent() + ":" + taskId + ", stream: " + streamId + ", id: "+ id.toString() + ", " + values.toString();
}
@Override
public boolean equals(Object other) {
return this == other;
}
@Override
public int hashCode() {
return System.identityHashCode(this);
}
private final Keyword makeKeyword(String name) {
return Keyword.intern(Symbol.create(name));
}
/* ILookup */
@Override
public Object valAt(Object o) {
try {
if(o instanceof Keyword) {
return getValueByField(((Keyword) o).getName());
} else if(o instanceof String) {
return getValueByField((String) o);
}
} catch(IllegalArgumentException e) {
}
return null;
}
/* Seqable */
public ISeq seq() {
if(values.size() > 0) {
return new Seq(getFields().toList(), values, 0);
}
return null;
}
static class Seq extends ASeq implements Counted {
final List<String> fields;
final List<Object> values;
final int i;
Seq(List<String> fields, List<Object> values, int i) {
this.fields = fields;
this.values = values;
assert i >= 0;
this.i = i;
}
public Seq(IPersistentMap meta, List<String> fields, List<Object> values, int i) {
super(meta);
this.fields= fields;
this.values = values;
assert i >= 0;
this.i = i;
}
public Object first() {
return new MapEntry(fields.get(i), values.get(i));
}
public ISeq next() {
if(i+1 < fields.size()) {
return new Seq(fields, values, i+1);
}
return null;
}
public int count() {
assert fields.size() -i >= 0 : "index out of bounds";
// i being the position in the fields of this seq, the remainder of the seq is the size
return fields.size() -i;
}
public Obj withMeta(IPersistentMap meta) {
return new Seq(meta, fields, values, i);
}
}
/* Indexed */
public Object nth(int i) {
if(i < values.size()) {
return values.get(i);
} else {
return null;
}
}
public Object nth(int i, Object notfound) {
Object ret = nth(i);
if(ret==null) ret = notfound;
return ret;
}
/* Counted */
public int count() {
return values.size();
}
/* IMeta */
public IPersistentMap meta() {
if(_meta==null) {
_meta = new PersistentArrayMap( new Object[] {
makeKeyword("stream"), getSourceStreamId(),
makeKeyword("component"), getSourceComponent(),
makeKeyword("task"), getSourceTask()});
}
return _meta;
}
private PersistentArrayMap toMap() {
Object array[] = new Object[values.size()*2];
List<String> fields = getFields().toList();
for(int i=0; i < values.size(); i++) {
array[i*2] = fields.get(i);
array[(i*2)+1] = values.get(i);
}
return new PersistentArrayMap(array);
}
public IPersistentMap getMap() {
if(_map==null) {
setMap(toMap());
}
return _map;
}
}