本文整理了Java中org.apache.openjpa.lib.conf.Value.getPropertyKeys()方法的一些代码示例，展示了Value.getPropertyKeys()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Value.getPropertyKeys()方法的具体详情如下：
包路径：org.apache.openjpa.lib.conf.Value
类名称：Value
方法名：getPropertyKeys

Value.getPropertyKeys介绍

[英]Gets unmodifiable view of all the property keys set on this receiver. The 0-th element in the returned list is always the same as the original key returned by #getProperty() method.
[中]获取此接收器上设置的所有属性键的不可修改视图。返回列表中的第0个元素始终与#getProperty（）方法返回的原始键相同。

代码示例

代码示例来源：origin: org.apache.openjpa/openjpa-lib

public List<String> getPropertyKeys(String propertyName) {
  Value value = getValue(propertyName);
  return value == null ? Collections.EMPTY_LIST : value.getPropertyKeys();
}

代码示例来源：origin: org.apache.openjpa/openjpa-all

public List<String> getPropertyKeys(String propertyName) {
  Value value = getValue(propertyName);
  return value == null ? Collections.EMPTY_LIST : value.getPropertyKeys();
}

代码示例来源：origin: org.apache.openejb.patch/openjpa

public List<String> getPropertyKeys(String propertyName) {
  Value value = getValue(propertyName);
  return value == null ? Collections.EMPTY_LIST : value.getPropertyKeys();
}

代码示例来源：origin: org.apache.openejb.patch/openjpa

/**
 * Test whether the map contains the given partial key, prefixed with any
 * possible configuration prefix.
 */
public static boolean containsProperty(Value value, Map props) {
  if (value == null || props == null || props.isEmpty())
    return false;
  List<String> partialKeys = value.getPropertyKeys();
  for (String partialKey : partialKeys) {
    if (props.containsKey(
      ProductDerivations.getConfigurationKey(partialKey, props)))
      return true;
  }
  return false;
}

代码示例来源：origin: org.apache.openjpa/openjpa-lib

/**
 * Test whether the map contains the given partial key, prefixed with any
 * possible configuration prefix.
 */
public static boolean containsProperty(Value value, Map props) {
  if (value == null || props == null || props.isEmpty())
    return false;
  List<String> partialKeys = value.getPropertyKeys();
  for (String partialKey : partialKeys) {
    if (props.containsKey(
      ProductDerivations.getConfigurationKey(partialKey, props)))
      return true;
  }
  return false;
}

代码示例来源：origin: org.apache.openjpa/openjpa-all

/**
 * Test whether the map contains the given partial key, prefixed with any
 * possible configuration prefix.
 */
public static boolean containsProperty(Value value, Map props) {
  if (value == null || props == null || props.isEmpty())
    return false;
  List<String> partialKeys = value.getPropertyKeys();
  for (String partialKey : partialKeys) {
    if (props.containsKey(
      ProductDerivations.getConfigurationKey(partialKey, props)))
      return true;
  }
  return false;
}

代码示例来源：origin: org.apache.openejb.patch/openjpa

/**
 * Look up the given value, testing all available prefixes and all possible
 * property names. Detects if the given map contains multiple keys that
 * are equivalent names for the given value. 
 */
private Object findValue(Map map, Value val) {
  Object result = null;
  List<String> partialKeys = val.getPropertyKeys();
  for (String partialKey : partialKeys) {
    String key = ProductDerivations.getConfigurationKey(
      partialKey, map);
    if (map.containsKey(key)) {
      // do not return immediately. Looping through all equivalent
      // property names will detect if the Map contains multiple keys
      // that are equivalent as it tries to set load key.
      val.setLoadKey(key);
      result = map.get(key);
    }
  }
  return result;
}

代码示例来源：origin: org.apache.openjpa/openjpa-all

/**
 * Look up the given value, testing all available prefixes and all possible
 * property names. Detects if the given map contains multiple keys that
 * are equivalent names for the given value. 
 */
private Object findValue(Map map, Value val) {
  Object result = null;
  List<String> partialKeys = val.getPropertyKeys();
  for (String partialKey : partialKeys) {
    String key = ProductDerivations.getConfigurationKey(
      partialKey, map);
    if (map.containsKey(key)) {
      // do not return immediately. Looping through all equivalent
      // property names will detect if the Map contains multiple keys
      // that are equivalent as it tries to set load key.
      val.setLoadKey(key);
      result = map.get(key);
    }
  }
  return result;
}

代码示例来源：origin: org.apache.openejb.patch/openjpa

/**
 * Gets all known property keys.
 * The keys are harvested from the property names (including the equivalent names) of the registered values.
 * A key may be prefixed if the corresponding property name was without a prefix.
 * @see #fixPrefix(String)
 * The Values that are {@linkplain Value#makePrivate() marked private} are filtered out. 
 */
public Set<String> getPropertyKeys() {
  synchronized (_supportedKeys) {
    if (_supportedKeys.size() == 0) {
      for (Value val : _vals) {
        if (val.isPrivate())
          continue;
        List<String> keys = val.getPropertyKeys();
        for (String key : keys) {
          _supportedKeys.add(fixPrefix(key));
        }
      }
    }
  }
  //OJ2257: Return a copy of _supportedKeys as calls to this method (e.g. 
  //BrokerImpl.getSupportedProperties()) may add to this set.
  return new TreeSet<String>(_supportedKeys);
}

代码示例来源：origin: org.apache.openjpa/openjpa-lib

/**
 * Look up the given value, testing all available prefixes and all possible
 * property names. Detects if the given map contains multiple keys that
 * are equivalent names for the given value. 
 */
private Object findValue(Map map, Value val) {
  Object result = null;
  List<String> partialKeys = val.getPropertyKeys();
  for (String partialKey : partialKeys) {
    String key = ProductDerivations.getConfigurationKey(
      partialKey, map);
    if (map.containsKey(key)) {
      // do not return immediately. Looping through all equivalent
      // property names will detect if the Map contains multiple keys
      // that are equivalent as it tries to set load key.
      val.setLoadKey(key);
      result = map.get(key);
    }
  }
  return result;
}

代码示例来源：origin: org.apache.openjpa/openjpa-lib

/**
 * Gets all known property keys.
 * The keys are harvested from the property names (including the equivalent names) of the registered values.
 * A key may be prefixed if the corresponding property name was without a prefix.
 * @see #fixPrefix(String)
 * The Values that are {@linkplain Value#makePrivate() marked private} are filtered out. 
 */
public Set<String> getPropertyKeys() {
  synchronized (_supportedKeys) {
    if (_supportedKeys.size() == 0) {
      for (Value val : _vals) {
        if (val.isPrivate())
          continue;
        List<String> keys = val.getPropertyKeys();
        for (String key : keys) {
          _supportedKeys.add(fixPrefix(key));
        }
      }
    }
  }
  //OJ2257: Return a copy of _supportedKeys as calls to this method (e.g. 
  //BrokerImpl.getSupportedProperties()) may add to this set.
  return new TreeSet<String>(_supportedKeys);
}

代码示例来源：origin: org.apache.openjpa/openjpa-all

/**
 * Gets all known property keys.
 * The keys are harvested from the property names (including the equivalent names) of the registered values.
 * A key may be prefixed if the corresponding property name was without a prefix.
 * @see #fixPrefix(String)
 * The Values that are {@linkplain Value#makePrivate() marked private} are filtered out. 
 */
public Set<String> getPropertyKeys() {
  synchronized (_supportedKeys) {
    if (_supportedKeys.size() == 0) {
      for (Value val : _vals) {
        if (val.isPrivate())
          continue;
        List<String> keys = val.getPropertyKeys();
        for (String key : keys) {
          _supportedKeys.add(fixPrefix(key));
        }
      }
    }
  }
  //OJ2257: Return a copy of _supportedKeys as calls to this method (e.g. 
  //BrokerImpl.getSupportedProperties()) may add to this set.
  return new TreeSet<String>(_supportedKeys);
}

代码示例来源：origin: org.apache.openjpa/openjpa-lib

/**
 * Adds <code>o</code> to <code>map</code> under key for <code>val</code>.
 * Use this method instead of attempting to add the value directly because 
 * this will account for the property prefix.
 */
private void setValue(Map map, Value val) {
  Object key = val.getLoadKey();
  if (key == null) {
    List<String> keys = val.getPropertyKeys();
    for (String k : keys) {
      if (hasKnownPrefix(k)) {
        key = k;
        break;
      }
    }
    if (key == null) {
      key = "openjpa." + val.getProperty();
    }
  }
  Object external = val.isHidden() ? Value.INVISIBLE : 
    val instanceof ObjectValue ? val.getString() : val.get();
  map.put(key, external);
}

代码示例来源：origin: org.apache.openjpa/openjpa-all

/**
 * Adds <code>o</code> to <code>map</code> under key for <code>val</code>.
 * Use this method instead of attempting to add the value directly because 
 * this will account for the property prefix.
 */
private void setValue(Map map, Value val) {
  Object key = val.getLoadKey();
  if (key == null) {
    List<String> keys = val.getPropertyKeys();
    for (String k : keys) {
      if (hasKnownPrefix(k)) {
        key = k;
        break;
      }
    }
    if (key == null) {
      key = "openjpa." + val.getProperty();
    }
  }
  Object external = val.isHidden() ? Value.INVISIBLE : 
    val instanceof ObjectValue ? val.getString() : val.get();
  map.put(key, external);
}

代码示例来源：origin: org.apache.openejb.patch/openjpa

/**
 * Adds <code>o</code> to <code>map</code> under key for <code>val</code>.
 * Use this method instead of attempting to add the value directly because 
 * this will account for the property prefix.
 */
private void setValue(Map map, Value val) {
  Object key = val.getLoadKey();
  if (key == null) {
    List<String> keys = val.getPropertyKeys();
    for (String k : keys) {
      if (hasKnownPrefix(k)) {
        key = k;
        break;
      }
    }
    if (key == null) {
      key = "openjpa." + val.getProperty();
    }
  }
  Object external = val.isHidden() ? Value.INVISIBLE : 
    val instanceof ObjectValue ? val.getString() : val.get();
  map.put(key, external);
}