本文整理汇总了Java中storm.trident.operation.impl.JoinerMultiReducer.JoinState类的典型用法代码示例。如果您正苦于以下问题：Java JoinState类的具体用法？Java JoinState怎么用？Java JoinState使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
JoinState类属于storm.trident.operation.impl.JoinerMultiReducer包，在下文中一共展示了JoinState类的10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: emitCrossJoin
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
private void emitCrossJoin(JoinState state, TridentCollector collector, int overrideIndex, TridentTuple overrideTuple) {
List<List>[] sides = state.sides;
int[] indices = state.indices;
for(int i=0; i<indices.length; i++) {
indices[i] = 0;
}
boolean keepGoing = true;
//emit cross-join of all emitted tuples
while(keepGoing) {
List[] combined = new List[sides.length+1];
combined[0] = state.group;
for(int i=0; i<sides.length; i++) {
if(i==overrideIndex) {
combined[i+1] = overrideTuple;
} else {
combined[i+1] = sides[i].get(indices[i]);
}
}
collector.emit(_factory.create(combined));
keepGoing = increment(sides, indices, indices.length - 1, overrideIndex);
}
}
示例2: emitCrossJoin
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
private void emitCrossJoin(JoinState state, TridentCollector collector, int overrideIndex, TridentTuple overrideTuple) {
List<List>[] sides = state.sides;
int[] indices = state.indices;
for (int i = 0; i < indices.length; i++) {
indices[i] = 0;
}
boolean keepGoing = true;
// emit cross-join of all emitted tuples
while (keepGoing) {
List[] combined = new List[sides.length + 1];
combined[0] = state.group;
for (int i = 0; i < sides.length; i++) {
if (i == overrideIndex) {
combined[i + 1] = overrideTuple;
} else {
combined[i + 1] = sides[i].get(indices[i]);
}
}
collector.emit(_factory.create(combined));
keepGoing = increment(sides, indices, indices.length - 1, overrideIndex);
}
}
示例3: execute
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
@Override
public void execute(JoinState state, int streamIndex, TridentTuple group, TridentTuple input, TridentCollector collector) {
//: do the inner join incrementally, emitting the cross join with this tuple, against all other sides
//: only do cross join if at least one tuple in each side
List<List> side = state.sides[streamIndex];
if(side.isEmpty()) {
state.numSidesReceived++;
}
side.add(input);
if(state.numSidesReceived == state.sides.length) {
emitCrossJoin(state, collector, streamIndex, input);
}
}
示例4: complete
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
@Override
public void complete(JoinState state, TridentTuple group, TridentCollector collector) {
List<List>[] sides = state.sides;
boolean wasEmpty = state.numSidesReceived < sides.length;
for(int i=0; i<sides.length; i++) {
if(sides[i].isEmpty() && _types.get(i) == JoinType.OUTER) {
state.numSidesReceived++;
sides[i].add(makeNullList(_sideFields.get(i).size()));
}
}
if(wasEmpty && state.numSidesReceived == sides.length) {
emitCrossJoin(state, collector, -1, null);
}
}
示例5: JoinState
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
public JoinState(int numSides, TridentTuple group) {
sides = new List[numSides];
indices = new int[numSides];
this.group = group;
for(int i=0; i<numSides; i++) {
sides[i] = new ArrayList<List>();
}
}
示例6: execute
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
@Override
public void execute(JoinState state, int streamIndex, TridentTuple group, TridentTuple input, TridentCollector collector) {
//TODO: do the inner join incrementally, emitting the cross join with this tuple, against all other sides
//TODO: only do cross join if at least one tuple in each side
List<List> side = state.sides[streamIndex];
if(side.isEmpty()) {
state.numSidesReceived++;
}
side.add(input);
if(state.numSidesReceived == state.sides.length) {
emitCrossJoin(state, collector, streamIndex, input);
}
}
示例7: execute
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
@Override
public void execute(JoinState state, int streamIndex, TridentTuple group, TridentTuple input, TridentCollector collector) {
// TODO: do the inner join incrementally, emitting the cross join with this tuple, against all other sides
// TODO: only do cross join if at least one tuple in each side
List<List> side = state.sides[streamIndex];
if (side.isEmpty()) {
state.numSidesReceived++;
}
side.add(input);
if (state.numSidesReceived == state.sides.length) {
emitCrossJoin(state, collector, streamIndex, input);
}
}
示例8: complete
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
@Override
public void complete(JoinState state, TridentTuple group, TridentCollector collector) {
List<List>[] sides = state.sides;
boolean wasEmpty = state.numSidesReceived < sides.length;
for (int i = 0; i < sides.length; i++) {
if (sides[i].isEmpty() && _types.get(i) == JoinType.OUTER) {
state.numSidesReceived++;
sides[i].add(makeNullList(_sideFields.get(i).size()));
}
}
if (wasEmpty && state.numSidesReceived == sides.length) {
emitCrossJoin(state, collector, -1, null);
}
}
示例9: JoinState
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
public JoinState(int numSides, TridentTuple group) {
sides = new List[numSides];
indices = new int[numSides];
this.group = group;
for (int i = 0; i < numSides; i++) {
sides[i] = new ArrayList<List>();
}
}
示例10: init
import storm.trident.operation.impl.JoinerMultiReducer.JoinState; //导入依赖的package包/类
@Override
public JoinState init(TridentCollector collector, TridentTuple group) {
return new JoinState(_types.size(), group);
}