Example usage for org.springframework.data.mongodb.core.index IndexInfo getName

Introduction

In this page you can find the example usage for org.springframework.data.mongodb.core.index IndexInfo getName.

Prototype

public String getName() 

Source Link

Usage

From source file:org.springframework.session.data.mongo.AbstractMongoSessionConverter.java

/**
 * Method ensures that there is a TTL index on {@literal expireAt} field. It's has
 * {@literal expireAfterSeconds} set to zero seconds, so the expiration time is
 * controlled by the application.// w ww  .  j  a v a2 s  .  c  o m
 *
 * It can be extended in custom converters when there is a need for creating
 * additional custom indexes.
 * @param sessionCollectionIndexes {@link IndexOperations} to use
 */
protected void ensureIndexes(IndexOperations sessionCollectionIndexes) {
    List<IndexInfo> indexInfo = sessionCollectionIndexes.getIndexInfo();
    for (IndexInfo info : indexInfo) {
        if (EXPIRE_AT_FIELD_NAME.equals(info.getName())) {
            LOG.debug("TTL index on field " + EXPIRE_AT_FIELD_NAME + " already exists");
            return;
        }
    }
    LOG.info("Creating TTL index on field " + EXPIRE_AT_FIELD_NAME);
    sessionCollectionIndexes.ensureIndex(
            new Index(EXPIRE_AT_FIELD_NAME, Sort.Direction.ASC).named(EXPIRE_AT_FIELD_NAME).expire(0));
}

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