Example usage for org.springframework.batch.item ExecutionContext putString

Introduction

In this page you can find the example usage for org.springframework.batch.item ExecutionContext putString.

Prototype

public void putString(String key, @Nullable String value) 

Source Link

Document

Adds a String value to the context.

Usage

From source file:com.cat.ic.listener.impl.OutputFileListenerMVNO.java

@BeforeStep
public void createOutputNameFromInput(StepExecution stepExecution) {
    ExecutionContext executionContext = stepExecution.getExecutionContext();
    String inputName = stepExecution.getStepName().replace(":", "-");

    if (executionContext.containsKey(inputKeyName)) {
        inputName = executionContext.getString(inputKeyName);
    }//  www  .ja  v a2  s.  com
    if (!executionContext.containsKey(outputKeyName)) {
        executionContext.putString(outputKeyName, path + FilenameUtils.getName(inputName) + ".mvno");
    }
    log.info("[" + executionContext.getString(outputKeyName) + "]");
}

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From source file:com.ifeng.computing.batch.job.partitioner.RangePartitioner.java

@Override
public Map<String, ExecutionContext> partition(int gridSize) {

    Map<String, ExecutionContext> result = new HashMap<String, ExecutionContext>();

    int range = 100;
    int fromId = 81289;
    int toId = range + fromId;

    for (int i = 1; i <= gridSize; i++) {
        ExecutionContext value = new ExecutionContext();

        log.debug("\nStarting : Thread" + i);
        log.debug("fromId : " + fromId);
        log.debug("toId : " + toId);

        value.putInt("fromId", fromId);
        value.putInt("toId", toId);

        // give each thread a name, thread 1,2,3
        value.putString("name", "Thread" + i);

        result.put("partition" + i, value);

        fromId = toId + 1;/*w w  w  .j a v  a2  s .c  o m*/
        toId += range;

    }

    return result;
}

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From source file:egovframework.rte.bat.core.listener.EgovOutputFileListener.java

/**
 * stepExecutionContext? inputKeyName ? ? outputKeyName? put 
 * // w w  w  .j  av  a2s  .  c  o m
 * @param stepExecution
 */
@BeforeStep
public void createOutputNameFromInput(StepExecution stepExecution) {
    ExecutionContext executionContext = stepExecution.getExecutionContext();
    String inputName = stepExecution.getStepName().replace(":", "-");
    if (executionContext.containsKey(inputKeyName)) {
        inputName = executionContext.getString(inputKeyName);
    }
    if (!executionContext.containsKey(outputKeyName)) {
        executionContext.putString(outputKeyName, path + FilenameUtils.getBaseName(inputName) + ".csv");
    }
}

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From source file:batch.demo.job.FlatFilePartitioner.java

/**
 * Creates a standard {@link ExecutionContext} with the specified parameters.
 * @param partitionName the name of the partition
 * @param startAt the number of bytes for a partition thread to skip before starting reading
 * @param itemsCount the number of items to read
 * @return the execution context (output)
 *///  www.j  a v a  2s .com
protected ExecutionContext createExecutionContext(String partitionName, long startAt, long itemsCount) {
    final ExecutionContext executionContext = new ExecutionContext();
    executionContext.putLong(startAtKeyName, startAt);
    executionContext.putLong(itemsCountKeyName, itemsCount);
    try {
        executionContext.putString(resourceKeyName, "file:" + resource.getFile().getPath());
    } catch (IOException e) {
        throw new IllegalArgumentException("File could not be located for: " + resource, e);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Added partition [" + partitionName + "] with [" + executionContext + "]");
    }
    return executionContext;
}

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From source file:org.springframework.batch.core.partition.support.FlatFilePartitioner.java

/**
 * Creates a standard {@link ExecutionContext} with the specified parameters.
 * @param partitionName the name of the partition
 * @param startAt the number of bytes for a partition thread to skip before starting reading
 * @param itemsCount the number of items to read
 * @return the execution context (output)
 *///from w  w  w. j ava  2s.c  o  m
protected ExecutionContext createExecutionContext(String partitionName, long startAt, long itemsCount,
        long previousItemsCount) {
    final ExecutionContext executionContext = new ExecutionContext();
    executionContext.putLong(startAtKeyName, startAt);
    executionContext.putLong(itemsCountKeyName, itemsCount);
    executionContext.putLong(previousItemsCountKeyName, previousItemsCount);
    try {
        executionContext.putString(resourceKeyName, "file:" + resource.getFile().getPath());
    } catch (IOException e) {
        throw new IllegalArgumentException("File could not be located for: " + resource, e);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Added partition [" + partitionName + "] with [" + executionContext + "]");
    }
    return executionContext;
}

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From source file:org.springframework.batch.integration.x.IncrementalColumnRangePartitioner.java

/**
 * Partition a database table assuming that the data in the column specified
 * are uniformly distributed. The execution context values will have keys
 * <code>minValue</code> and <code>maxValue</code> specifying the range of
 * values to consider in each partition.
 *
 * @see Partitioner#partition(int)/*from   w w w .  j  a v a 2s. com*/
 */
@Override
public Map<String, ExecutionContext> partition(int gridSize) {
    StringBuilder incrementalClause = new StringBuilder();
    Map<String, ExecutionContext> result = new HashMap<>();

    if (!StringUtils.hasText(checkColumn) && !StringUtils.hasText(column)) {
        ExecutionContext value = new ExecutionContext();
        value.put("partClause", "");
        result.put("partition0", value);
        value.put("partSuffix", "");
    } else {
        if (StringUtils.hasText(checkColumn)) {
            incrementalClause.append(checkColumn).append(" > ").append(this.incrementalMin);
        }

        long targetSize = (this.partitionMax - this.partitionMin) / partitions + 1;

        int number = 0;
        long start = this.partitionMin;
        long end = start + targetSize - 1;

        while (start >= 0 && start <= this.partitionMax) {
            ExecutionContext value = new ExecutionContext();
            result.put("partition" + number, value);

            if (end >= this.partitionMax) {
                end = this.partitionMax;
            }

            if (StringUtils.hasText(checkColumn)) {
                value.putString("partClause", String.format("WHERE (%s BETWEEN %s AND %s) AND %s", column,
                        start, end, incrementalClause.toString()));
            } else {
                value.putString("partClause",
                        String.format("WHERE (%s BETWEEN %s AND %s)", column, start, end));
            }

            value.putString("partSuffix", "-p" + number);
            start += targetSize;
            end += targetSize;
            number++;

            log.debug("Current ExecutionContext = " + value);
        }
    }

    return result;
}

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