org.apache.openjpa.kernel.Filters.canConvert()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.apache.openjpa.kernel.Filters.canConvert()方法的一些代码示例，展示了Filters.canConvert()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。Filters.canConvert()方法的具体详情如下：
包路径：org.apache.openjpa.kernel.Filters
类名称：Filters
方法名：canConvert

Filters.canConvert介绍

[英]Return whether an instance of the first class can be converted to an instance of the second.
[中]

代码示例

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

public boolean selects(Attribute<? super X, ?> attr) {
  boolean result = _type == null || Filters.canConvert(attr.getJavaType(), _type, false);
  return _invert ? !result : result;
}

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

public boolean selects(Attribute<? super X, ?> attr) {
  boolean result = _type == null || Filters.canConvert(attr.getJavaType(), _type, false);
  return _invert ? !result : result;
}

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

public boolean selects(Attribute<? super X, ?> attr) {
  boolean result = _type == null || Filters.canConvert(attr.getJavaType(), _type, false);
  return _invert ? !result : result;
}

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

public boolean selects(Attribute<? super X, ?> attr) {
  boolean result = _type == null || Filters.canConvert(attr.getJavaType(), _type, false);
  return _invert ? !result : result;
}

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

/**
 * Ensure that conversion is possible.
 */
private void assertConvertable(Class<?> candidate, Class<?>[] types,
  Class<?> resultClass) {
  Class<?> c = (types == null) ? candidate : types[0];
  if ((types != null && types.length != 1) || (c != null
    && c != Object.class && !Filters.canConvert(c, resultClass, true)))
    throw new UserException(_loc.get("cant-convert-result",
      c, resultClass));
}

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

/**
 * Ensure that conversion is possible.
 */
private void assertConvertable(Class<?> candidate, Class<?>[] types,
  Class<?> resultClass) {
  Class<?> c = (types == null) ? candidate : types[0];
  if ((types != null && types.length != 1) || (c != null
    && c != Object.class && !Filters.canConvert(c, resultClass, true)))
    throw new UserException(_loc.get("cant-convert-result",
      c, resultClass));
}

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

/**
 * Ensure that conversion is possible.
 */
private void assertConvertable(Class<?> candidate, Class<?>[] types,
  Class<?> resultClass) {
  Class<?> c = (types == null) ? candidate : types[0];
  if ((types != null && types.length != 1) || (c != null
    && c != Object.class && !Filters.canConvert(c, resultClass, true)))
    throw new UserException(_loc.get("cant-convert-result",
      c, resultClass));
}

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

/**
 * Ensure that conversion is possible.
 */
private void assertConvertable(Class<?> candidate, Class<?>[] types,
  Class<?> resultClass) {
  Class<?> c = (types == null) ? candidate : types[0];
  if ((types != null && types.length != 1) || (c != null
    && c != Object.class && !Filters.canConvert(c, resultClass, true)))
    throw new UserException(_loc.get("cant-convert-result",
      c, resultClass));
}

代码示例来源：origin: org.apache.openjpa/com.springsource.org.apache.openjpa

/**
 * Ensure that conversion is possible.
 */
private void assertConvertable(Class candidate, Class[] types,
  Class resultClass) {
  Class c = (types == null) ? candidate : types[0];
  if ((types != null && types.length != 1) || (c != null
    && c != Object.class && !Filters.canConvert(c, resultClass, true)))
    throw new UserException(_loc.get("cant-convert-result",
      c, resultClass));
}

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

private static void validateParameterValue(Object key, Object value, 
  Class expected) {
  if (expected == null)
    return;
  
  if (value == null) {
    if (expected.isPrimitive()) 
      throw new UserException(_loc.get("null-primitive-param", 
        key, expected));
  } else {
    Class actual = value.getClass();
    boolean strict = true;
    if (!Filters.canConvert(actual, expected, strict)) 
      throw new UserException(_loc.get("param-value-mismatch", 
        new Object[]{key, expected, value, actual}));
  }
}

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

private static void validateParameterValue(Object key, Object value, 
  Class expected) {
  if (expected == null)
    return;
  
  if (value == null) {
    if (expected.isPrimitive()) 
      throw new UserException(_loc.get("null-primitive-param", 
        key, expected));
  } else {
    Class actual = value.getClass();
    boolean strict = true;
    if (!Filters.canConvert(actual, expected, strict)) 
      throw new UserException(_loc.get("param-value-mismatch", 
        new Object[]{key, expected, value, actual}));
  }
}

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

private static void validateParameterValue(Object key, Object value, 
  Class expected) {
  if (expected == null)
    return;
  
  if (value == null) {
    if (expected.isPrimitive()) 
      throw new UserException(_loc.get("null-primitive-param", 
        key, expected));
  } else {
    Class actual = value.getClass();
    boolean strict = true;
    if (!Filters.canConvert(actual, expected, strict)) 
      throw new UserException(_loc.get("param-value-mismatch", 
        new Object[]{key, expected, value, actual}));
  }
}

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

private static void validateParameterValue(Object key, Object value, 
  Class expected) {
  if (expected == null)
    return;
  
  if (value == null) {
    if (expected.isPrimitive()) 
      throw new UserException(_loc.get("null-primitive-param", 
        key, expected));
  } else {
    Class actual = value.getClass();
    boolean strict = true;
    if (!Filters.canConvert(actual, expected, strict)) 
      throw new UserException(_loc.get("param-value-mismatch", 
        new Object[]{key, expected, value, actual}));
  }
}

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

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  Class val1Type = _val1.getType();
  Class val2Type = _val2.getType();
  // For purposes of the 'canConvert', when dealing with a Lit with Raw
  // use a String type since Raw contains a String.
  if (_val1 instanceof Lit && val1Type.isAssignableFrom(Raw.class)){
    val1Type = String.class;
  }
  if (_val2 instanceof Lit && val2Type.isAssignableFrom(Raw.class)){
    val2Type = String.class;
  }
  if (!Filters.canConvert(val1Type, val2Type, false)
    && !Filters.canConvert(val2Type, val1Type, false))
    throw new UserException(_loc.get("cant-convert", val1Type, val2Type));
  ctx.store.getDBDictionary().comparison(buf, _op,
    new FilterValueImpl(sel, ctx, bstate.state1, _val1),
    new FilterValueImpl(sel, ctx, bstate.state2, _val2));
  if (sel != null)
    sel.append(buf, state.joins);
}

代码示例来源：origin: org.apache.openjpa/com.springsource.org.apache.openjpa

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  if (!Filters.canConvert(_val1.getType(), _val2.getType(), false)
    && !Filters.canConvert(_val2.getType(), _val1.getType(), false))
    throw new UserException(_loc.get("cant-convert", _val1.getType(),
      _val2.getType()));
  ctx.store.getDBDictionary().comparison(buf, _op,
    new FilterValueImpl(sel, ctx, bstate.state1, _val1),
    new FilterValueImpl(sel, ctx, bstate.state2, _val2));
  sel.append(buf, state.joins);
}

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

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  if (!Filters.canConvert(_val1.getType(), _val2.getType(), false)
    && !Filters.canConvert(_val2.getType(), _val1.getType(), false))
    throw new UserException(_loc.get("cant-convert", _val1.getType(),
      _val2.getType()));
  boolean val1Null = _val1 instanceof Const
    && ((Const) _val1).isSQLValueNull(sel, ctx, bstate.state1);
  boolean val2Null = _val2 instanceof Const
    && ((Const) _val2).isSQLValueNull(sel, ctx, bstate.state2);
  appendTo(sel, ctx, bstate, buf, val1Null, val2Null);
  if (sel != null)
    sel.append(buf, state.joins);
}

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

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  if (!Filters.canConvert(_val1.getType(), _val2.getType(), false)
    && !Filters.canConvert(_val2.getType(), _val1.getType(), false))
    throw new UserException(_loc.get("cant-convert", _val1.getType(),
      _val2.getType()));
  boolean val1Null = _val1 instanceof Const
    && ((Const) _val1).isSQLValueNull(sel, ctx, bstate.state1);
  boolean val2Null = _val2 instanceof Const
    && ((Const) _val2).isSQLValueNull(sel, ctx, bstate.state2);
  appendTo(sel, ctx, bstate, buf, val1Null, val2Null);
  if (sel != null)
    sel.append(buf, state.joins);
}

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

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  if (!Filters.canConvert(_val1.getType(), _val2.getType(), false)
    && !Filters.canConvert(_val2.getType(), _val1.getType(), false))
    throw new UserException(_loc.get("cant-convert", _val1.getType(),
      _val2.getType()));
  boolean val1Null = _val1 instanceof Const
    && ((Const) _val1).isSQLValueNull(sel, ctx, bstate.state1);
  boolean val2Null = _val2 instanceof Const
    && ((Const) _val2).isSQLValueNull(sel, ctx, bstate.state2);
  appendTo(sel, ctx, bstate, buf, val1Null, val2Null);
  if (sel != null)
    sel.append(buf, state.joins);
}

代码示例来源：origin: org.apache.openjpa/com.springsource.org.apache.openjpa

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  if (!Filters.canConvert(_val1.getType(), _val2.getType(), false)
    && !Filters.canConvert(_val2.getType(), _val1.getType(), false))
    throw new UserException(_loc.get("cant-convert", _val1.getType(),
      _val2.getType()));
  boolean val1Null = _val1 instanceof Const
    && ((Const) _val1).isSQLValueNull(sel, ctx, bstate.state1);
  boolean val2Null = _val2 instanceof Const
    && ((Const) _val2).isSQLValueNull(sel, ctx, bstate.state2);
  appendTo(sel, ctx, bstate, buf, val1Null, val2Null);
  sel.append(buf, state.joins);
}

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

public void appendTo(Select sel, ExpContext ctx, ExpState state, 
  SQLBuffer buf) {
  BinaryOpExpState bstate = (BinaryOpExpState) state;
  _val1.calculateValue(sel, ctx, bstate.state1, _val2, bstate.state2);
  _val2.calculateValue(sel, ctx, bstate.state2, _val1, bstate.state1);
  if (!Filters.canConvert(_val1.getType(), _val2.getType(), false)
    && !Filters.canConvert(_val2.getType(), _val1.getType(), false))
    throw new UserException(_loc.get("cant-convert", _val1.getType(),
      _val2.getType()));
  boolean val1Null = _val1 instanceof Const
    && ((Const) _val1).isSQLValueNull(sel, ctx, bstate.state1);
  boolean val2Null = _val2 instanceof Const
    && ((Const) _val2).isSQLValueNull(sel, ctx, bstate.state2);
  appendTo(sel, ctx, bstate, buf, val1Null, val2Null);
  if (sel != null)
    sel.append(buf, state.joins);
}

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