Examples with LRUCache org.apache.kafka.common.cache.LRUCache used on opensource projects

Example 6 with LRUCache

use of org.apache.kafka.common.cache.LRUCache in project kafka by apache.

the class TimestampConverter method configure.

@Override
public void configure(Map<String, ?> configs) {
    final SimpleConfig simpleConfig = new SimpleConfig(CONFIG_DEF, configs);
    final String field = simpleConfig.getString(FIELD_CONFIG);
    final String type = simpleConfig.getString(TARGET_TYPE_CONFIG);
    String formatPattern = simpleConfig.getString(FORMAT_CONFIG);
    final String unixPrecision = simpleConfig.getString(UNIX_PRECISION_CONFIG);
    schemaUpdateCache = new SynchronizedCache<>(new LRUCache<>(16));
    if (type.equals(TYPE_STRING) && Utils.isBlank(formatPattern)) {
        throw new ConfigException("TimestampConverter requires format option to be specified when using string timestamps");
    }
    SimpleDateFormat format = null;
    if (!Utils.isBlank(formatPattern)) {
        try {
            format = new SimpleDateFormat(formatPattern);
            format.setTimeZone(UTC);
        } catch (IllegalArgumentException e) {
            throw new ConfigException("TimestampConverter requires a SimpleDateFormat-compatible pattern for string timestamps: " + formatPattern, e);
        }
    }
    config = new Config(field, type, format, unixPrecision);
}

Example 7 with LRUCache

use of org.apache.kafka.common.cache.LRUCache in project kafka by apache.

the class InsertField method configure.

@Override
public void configure(Map<String, ?> props) {
    final SimpleConfig config = new SimpleConfig(CONFIG_DEF, props);
    topicField = InsertionSpec.parse(config.getString(ConfigName.TOPIC_FIELD));
    partitionField = InsertionSpec.parse(config.getString(ConfigName.PARTITION_FIELD));
    offsetField = InsertionSpec.parse(config.getString(ConfigName.OFFSET_FIELD));
    timestampField = InsertionSpec.parse(config.getString(ConfigName.TIMESTAMP_FIELD));
    staticField = InsertionSpec.parse(config.getString(ConfigName.STATIC_FIELD));
    staticValue = config.getString(ConfigName.STATIC_VALUE);
    if (topicField == null && partitionField == null && offsetField == null && timestampField == null && staticField == null) {
        throw new ConfigException("No field insertion configured");
    }
    if (staticField != null && staticValue == null) {
        throw new ConfigException(ConfigName.STATIC_VALUE, null, "No value specified for static field: " + staticField);
    }
    schemaUpdateCache = new SynchronizedCache<>(new LRUCache<>(16));
}

Example 8 with LRUCache

use of org.apache.kafka.common.cache.LRUCache in project kafka by apache.

the class ValueToKey method configure.

@Override
public void configure(Map<String, ?> configs) {
    final SimpleConfig config = new SimpleConfig(CONFIG_DEF, configs);
    fields = config.getList(FIELDS_CONFIG);
    valueToKeySchemaCache = new SynchronizedCache<>(new LRUCache<>(16));
}

Example 9 with LRUCache

use of org.apache.kafka.common.cache.LRUCache in project apache-kafka-on-k8s by banzaicloud.

the class Cast method configure.

@Override
public void configure(Map<String, ?> props) {
    final SimpleConfig config = new SimpleConfig(CONFIG_DEF, props);
    casts = parseFieldTypes(config.getList(SPEC_CONFIG));
    wholeValueCastType = casts.get(WHOLE_VALUE_CAST);
    schemaUpdateCache = new SynchronizedCache<>(new LRUCache<Schema, Schema>(16));
}

Example 10 with LRUCache

use of org.apache.kafka.common.cache.LRUCache in project apache-kafka-on-k8s by banzaicloud.

the class Flatten method configure.

@Override
public void configure(Map<String, ?> props) {
    final SimpleConfig config = new SimpleConfig(CONFIG_DEF, props);
    delimiter = config.getString(DELIMITER_CONFIG);
    schemaUpdateCache = new SynchronizedCache<>(new LRUCache<Schema, Schema>(16));
}