Add option to move timestamps, e.g., to make overlapping windows

qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/actions/processes/RunProcessAction.java

@@ -72,7 +72,7 @@ import org.apache.commons.lang.BooleanUtils;
 
 
 /*******************************************************************************
- ** Action handler for running q-processes (which are a sequence of q-functions).
+ ** Action handler for running q-processes (which are a sequence of q-steps).
  *
  *******************************************************************************/
 public class RunProcessAction
@@ -82,6 +82,7 @@ public class RunProcessAction
    public static final String BASEPULL_THIS_RUNTIME_KEY = "basepullThisRuntimeKey";
    public static final String BASEPULL_LAST_RUNTIME_KEY = "basepullLastRuntimeKey";
    public static final String BASEPULL_TIMESTAMP_FIELD  = "basepullTimestampField";
+   public static final String BASEPULL_CONFIGURATION = "basepullConfiguration";
 
    ////////////////////////////////////////////////////////////////////////////////////////////////
    // indicator that the timestamp field should be updated - e.g., the execute step is finished. //
@@ -633,5 +634,6 @@ public class RunProcessAction
 
       runProcessInput.getValues().put(BASEPULL_LAST_RUNTIME_KEY, lastRunTime);
       runProcessInput.getValues().put(BASEPULL_TIMESTAMP_FIELD, basepullConfiguration.getTimestampField());
+      runProcessInput.getValues().put(BASEPULL_CONFIGURATION, basepullConfiguration);
    }
 }

qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/processes/implementations/basepull/BasepullConfiguration.java

@@ -40,6 +40,9 @@ public class BasepullConfiguration implements Serializable
 
    private String timestampField; // the name of the field in the table being queried against the last-run timestamp.
 
+   private Integer secondsToSubtractFromLastRunTimeForTimestampQuery; // option to adjust the query's start-time (based on last run time) by a number of seconds.
+   private Integer secondsToSubtractFromThisRunTimeForTimestampQuery; // option to adjust the query's end-time (based on this run time) by a number of seconds.
+
 
 
    /*******************************************************************************
@@ -244,4 +247,66 @@ public class BasepullConfiguration implements Serializable
       return (this);
    }
 
+
+
+   /*******************************************************************************
+    ** Getter for secondsToSubtractFromLastRunTimeForTimestampQuery
+    *******************************************************************************/
+   public Integer getSecondsToSubtractFromLastRunTimeForTimestampQuery()
+   {
+      return (this.secondsToSubtractFromLastRunTimeForTimestampQuery);
+   }
+
+
+
+   /*******************************************************************************
+    ** Setter for secondsToSubtractFromLastRunTimeForTimestampQuery
+    *******************************************************************************/
+   public void setSecondsToSubtractFromLastRunTimeForTimestampQuery(Integer secondsToSubtractFromLastRunTimeForTimestampQuery)
+   {
+      this.secondsToSubtractFromLastRunTimeForTimestampQuery = secondsToSubtractFromLastRunTimeForTimestampQuery;
+   }
+
+
+
+   /*******************************************************************************
+    ** Fluent setter for secondsToSubtractFromLastRunTimeForTimestampQuery
+    *******************************************************************************/
+   public BasepullConfiguration withSecondsToSubtractFromLastRunTimeForTimestampQuery(Integer secondsToSubtractFromLastRunTimeForTimestampQuery)
+   {
+      this.secondsToSubtractFromLastRunTimeForTimestampQuery = secondsToSubtractFromLastRunTimeForTimestampQuery;
+      return (this);
+   }
+
+
+
+   /*******************************************************************************
+    ** Getter for secondsToSubtractFromThisRunTimeForTimestampQuery
+    *******************************************************************************/
+   public Integer getSecondsToSubtractFromThisRunTimeForTimestampQuery()
+   {
+      return (this.secondsToSubtractFromThisRunTimeForTimestampQuery);
+   }
+
+
+
+   /*******************************************************************************
+    ** Setter for secondsToSubtractFromThisRunTimeForTimestampQuery
+    *******************************************************************************/
+   public void setSecondsToSubtractFromThisRunTimeForTimestampQuery(Integer secondsToSubtractFromThisRunTimeForTimestampQuery)
+   {
+      this.secondsToSubtractFromThisRunTimeForTimestampQuery = secondsToSubtractFromThisRunTimeForTimestampQuery;
+   }
+
+
+
+   /*******************************************************************************
+    ** Fluent setter for secondsToSubtractFromThisRunTimeForTimestampQuery
+    *******************************************************************************/
+   public BasepullConfiguration withSecondsToSubtractFromThisRunTimeForTimestampQuery(Integer secondsToSubtractFromThisRunTimeForTimestampQuery)
+   {
+      this.secondsToSubtractFromThisRunTimeForTimestampQuery = secondsToSubtractFromThisRunTimeForTimestampQuery;
+      return (this);
+   }
+
 }

qqq-backend-core/src/main/java/com/kingsrook/qqq/backend/core/processes/implementations/basepull/ExtractViaBasepullQueryStep.java

@@ -22,6 +22,8 @@
 package com.kingsrook.qqq.backend.core.processes.implementations.basepull;
 
 
+import java.io.Serializable;
+import java.time.Instant;
 import java.util.List;
 import com.kingsrook.qqq.backend.core.actions.processes.RunProcessAction;
 import com.kingsrook.qqq.backend.core.exceptions.QException;
@@ -122,7 +124,21 @@ public class ExtractViaBasepullQueryStep extends ExtractViaQueryStep
     *******************************************************************************/
    protected String getLastRunTimeString(RunBackendStepInput runBackendStepInput) throws QException
    {
-      return (runBackendStepInput.getBasepullLastRunTime().toString());
+      Instant lastRunTime = runBackendStepInput.getBasepullLastRunTime();
+
+      //////////////////////////////////////////////////////////////////////////////////////////////
+      // allow the timestamps to be adjusted by the specified number of seconds.                  //
+      // normally this would be a positive value, to move to an earlier time - but it could also  //
+      // be a negative value, if you wanted (for some reason) to move forward in time             //
+      // this is useful to provide overlapping windows of time, in case records are being missed. //
+      //////////////////////////////////////////////////////////////////////////////////////////////
+      Serializable basepullConfigurationValue = runBackendStepInput.getValue(RunProcessAction.BASEPULL_CONFIGURATION);
+      if(basepullConfigurationValue instanceof BasepullConfiguration basepullConfiguration && basepullConfiguration.getSecondsToSubtractFromLastRunTimeForTimestampQuery() != null)
+      {
+         lastRunTime = lastRunTime.minusSeconds(basepullConfiguration.getSecondsToSubtractFromLastRunTimeForTimestampQuery());
+      }
+
+      return (lastRunTime.toString());
    }
 
 
@@ -132,6 +148,14 @@ public class ExtractViaBasepullQueryStep extends ExtractViaQueryStep
     *******************************************************************************/
    protected String getThisRunTimeString(RunBackendStepInput runBackendStepInput) throws QException
    {
-      return (runBackendStepInput.getValueInstant(RunProcessAction.BASEPULL_THIS_RUNTIME_KEY).toString());
+      Instant thisRunTime = runBackendStepInput.getValueInstant(RunProcessAction.BASEPULL_THIS_RUNTIME_KEY);
+
+      Serializable basepullConfigurationValue = runBackendStepInput.getValue(RunProcessAction.BASEPULL_CONFIGURATION);
+      if(basepullConfigurationValue instanceof BasepullConfiguration basepullConfiguration && basepullConfiguration.getSecondsToSubtractFromThisRunTimeForTimestampQuery() != null)
+      {
+         thisRunTime = thisRunTime.minusSeconds(basepullConfiguration.getSecondsToSubtractFromThisRunTimeForTimestampQuery());
+      }
+
+      return (thisRunTime.toString());
    }
 }