IrynaMatveieva
2 years ago
10 changed files with 248 additions and 63 deletions
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/** |
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* Copyright © 2016-2024 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.cf.ctx.state; |
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import com.google.common.util.concurrent.ListenableFuture; |
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import org.thingsboard.server.common.data.kv.KvEntry; |
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import java.util.Map; |
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public interface CalculatedFieldScriptEngine { |
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ListenableFuture<Object> executeScriptAsync(Map<String, KvEntry> arguments); |
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void destroy(); |
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} |
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@ -0,0 +1,90 @@ |
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/** |
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* Copyright © 2016-2024 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.cf.ctx.state; |
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import com.google.common.util.concurrent.Futures; |
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import com.google.common.util.concurrent.ListenableFuture; |
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import com.google.common.util.concurrent.MoreExecutors; |
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import lombok.extern.slf4j.Slf4j; |
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import org.thingsboard.common.util.JacksonUtil; |
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import org.thingsboard.script.api.ScriptType; |
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import org.thingsboard.script.api.tbel.TbelInvokeService; |
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import org.thingsboard.server.common.data.id.TenantId; |
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import org.thingsboard.server.common.data.kv.KvEntry; |
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import javax.script.ScriptException; |
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import java.util.Map; |
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import java.util.UUID; |
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import java.util.concurrent.ExecutionException; |
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@Slf4j |
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public class CalculatedFieldTbelScriptEngine implements CalculatedFieldScriptEngine { |
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private final TbelInvokeService tbelInvokeService; |
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private final UUID scriptId; |
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private final TenantId tenantId; |
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public CalculatedFieldTbelScriptEngine(TenantId tenantId, TbelInvokeService tbelInvokeService, String script, String... argNames) { |
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this.tenantId = tenantId; |
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this.tbelInvokeService = tbelInvokeService; |
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try { |
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this.scriptId = this.tbelInvokeService.eval(tenantId, ScriptType.CALCULATED_FIELD_SCRIPT, script, argNames).get(); |
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} catch (Exception e) { |
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Throwable t = e; |
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if (e instanceof ExecutionException) { |
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t = e.getCause(); |
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} |
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throw new IllegalArgumentException("Can't compile script: " + t.getMessage(), t); |
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} |
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} |
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@Override |
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public ListenableFuture<Object> executeScriptAsync(Map<String, KvEntry> arguments) { |
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log.trace("execute script async, arguments {}", arguments); |
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Object[] args = new Object[arguments.size()]; |
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int index = 0; |
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for (KvEntry entry : arguments.values()) { |
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switch (entry.getDataType()) { |
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case BOOLEAN -> args[index] = entry.getBooleanValue().orElse(null); |
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case DOUBLE -> args[index] = entry.getDoubleValue().orElse(null); |
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case LONG -> args[index] = entry.getLongValue().orElse(null); |
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case JSON -> args[index] = entry.getJsonValue().map(JacksonUtil::toJsonNode).orElse(null); |
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default -> args[index] = entry.getValueAsString(); |
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} |
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index++; |
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} |
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return Futures.transformAsync(tbelInvokeService.invokeScript(tenantId, null, this.scriptId, args), |
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o -> { |
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try { |
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return Futures.immediateFuture(o); |
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} catch (Exception e) { |
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if (e.getCause() instanceof ScriptException) { |
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return Futures.immediateFailedFuture(e.getCause()); |
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} else if (e.getCause() instanceof RuntimeException) { |
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return Futures.immediateFailedFuture(new ScriptException(e.getCause().getMessage())); |
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} else { |
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return Futures.immediateFailedFuture(new ScriptException(e)); |
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} |
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} |
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}, MoreExecutors.directExecutor()); |
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} |
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@Override |
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public void destroy() { |
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tbelInvokeService.release(this.scriptId); |
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} |
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} |
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