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demo: Update slot chain SPI demo (#1581) 

Signed-off-by: yunfeiyanggzq <yunfeiyang@buaa.edu.cn>
This commit is contained in:
ZhiQiang Gu 2020-07-06 13:46:04 +08:00 committed by GitHub
parent 57f9bc7a6a
commit 5e1a443663
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4 changed files with 10 additions and 14 deletions
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2
sentinel-demo/sentinel-demo-slot-chain-spi/src/main/java/com/alibaba/csp/sentinel/demo/slot/DemoSlot.java
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@ -19,12 +19,14 @@ import com.alibaba.csp.sentinel.context.Context;
import com.alibaba.csp.sentinel.node.DefaultNode; import com.alibaba.csp.sentinel.node.DefaultNode;
import com.alibaba.csp.sentinel.slotchain.AbstractLinkedProcessorSlot; import com.alibaba.csp.sentinel.slotchain.AbstractLinkedProcessorSlot;
import com.alibaba.csp.sentinel.slotchain.ResourceWrapper; import com.alibaba.csp.sentinel.slotchain.ResourceWrapper;
import com.alibaba.csp.sentinel.spi.SpiOrder;
/** /**
* An example slot that records current context and entry resource. * An example slot that records current context and entry resource.
* *
* @author Eric Zhao * @author Eric Zhao
*/ */
@SpiOrder(-3500)
public class DemoSlot extends AbstractLinkedProcessorSlot<DefaultNode> { public class DemoSlot extends AbstractLinkedProcessorSlot<DefaultNode> {
@Override @Override

16
sentinel-demo/sentinel-demo-slot-chain-spi/src/main/java/com/alibaba/csp/sentinel/demo/slot/DemoSlotChainBuilder.java
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@ -20,17 +20,11 @@ import com.alibaba.csp.sentinel.slotchain.SlotChainBuilder;
import com.alibaba.csp.sentinel.slots.DefaultSlotChainBuilder; import com.alibaba.csp.sentinel.slots.DefaultSlotChainBuilder;
/** /**
* An example slot chain builder. To activate this slot chain builder,
* add the class name to corresponding SPI file in `resource/META-INF/services` directory.
*
* @author Eric Zhao * @author Eric Zhao
*
* @deprecated since 1.7.2, we can use @SpiOrder(-3500) to adjust the order of {@link DemoSlot},
* this class is reserved for compatibility with older versions.
*/ */
public class DemoSlotChainBuilder implements SlotChainBuilder { @Deprecated
public class DemoSlotChainBuilder extends DefaultSlotChainBuilder {
@Override
public ProcessorSlotChain build() {
ProcessorSlotChain chain = new DefaultSlotChainBuilder().build();
chain.addLast(new DemoSlot());
return chain;
}
} }

2
sentinel-demo/sentinel-demo-slot-chain-spi/src/main/resources/META-INF/services/com.alibaba.csp.sentinel.slotchain.ProcessorSlot Normal file
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@ -0,0 +1,2 @@
# Custom slot processor
com.alibaba.csp.sentinel.demo.slot.DemoSlot

2
sentinel-demo/sentinel-demo-slot-chain-spi/src/main/resources/META-INF/services/com.alibaba.csp.sentinel.slotchain.SlotChainBuilder
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@ -1,2 +0,0 @@
# Custom slot chain builder
com.alibaba.csp.sentinel.demo.slot.DemoSlotChainBuilder