Examples

from typing   import Optional, Tuple, Union, Sequence
from annotate import annotate

import jni

from .lib         import cached
from .jobjectbase import JObjectBase
from .jclass      import JClass
from .jobject     import JObject


class JArray(JObjectBase):
    """Java Array"""

    @classmethod
    @annotate('JArray', size=Union[int, long])
    def newBooleanArray(cls, size):
        ...
    ...
    @classmethod
    @annotate('JArray', size=Union[int, long])
    def newDoubleArray(cls, size):
        ...
    @classmethod
    @annotate('JArray', size=Union[int, long])
    def newStringArray(cls, size):
        ...
    @classmethod
    @annotate('JArray', size=Union[int, long], component_class=JClass)
    def newObjectArray(cls, size, component_class):
        ...

    @annotate(jenv=jni.JNIEnv, jarr=jni.jarray, borrowed=bool)
    def __init__(self, jenv, jarr, borrowed=False):
        ...

    def __hash__(self):
        return super(JArray, self).__hash__()

    def __len__(self):
        return self.getLength()

    @annotate(JObject, borrowed=bool)
    def asObject(self, borrowed=False):
        ...

    @cached
    @annotate(int)
    def getLength(self):
        ...

    @annotate(bool, idx=int)
    def getBoolean(self, idx):
        ...
    ...
    @annotate(float, idx=int)
    def getDouble(self, idx):
        ...
    @annotate(Optional[str], idx=int)
    def getString(self, idx):
        ...
    @annotate(Optional[JObject], idx=int)
    def getObject(self, idx):
        ...

    @annotate(idx=int, val=bool)
    def setBoolean(self, idx, val):
        ...
    @annotate(idx=int, val=str)
    def setChar(self, idx, val):
        ...
    ...
    @annotate(idx=int, val=Union[int, long])
    def setLong(self, idx, val):
        ...
    @annotate(idx=int, val=float)
    def setDouble(self, idx, val):
        ...
    @annotate(idx=int, val=Optional[str])
    def setString(self, idx, val):
        ...
    @annotate(idx=int, val=Optional[JObject])
    def setObject(self, idx, val):
        ...

    @annotate('JArray', start=int, stop=int, step=int)
    def getBooleanSlice(self, start, stop, step):
        ...
    ...
    @annotate('JArray', start=int, stop=int, step=int)
    def getDoubleSlice(self, start, stop, step):
        ...
    @annotate('JArray', start=int, stop=int, step=int)
    def getStringSlice(self, start, stop, step):
        ...
    @annotate('JArray', start=int, stop=int, step=int)
    def getObjectSlice(self, start, stop, step):
        ...

    @annotate(start=int, stop=int, step=int, val=Sequence[bool])
    def setBooleanSlice(self, start, stop, step, val):
        ...
    @annotate(start=int, stop=int, step=int, val=Union[Sequence[str], str])
    def setCharSlice(self, start, stop, step, val):
        ...
    @annotate(start=int, stop=int, step=int,
              val=Union[Sequence[Union[int,bytes]], (bytes, bytearray)])
    def setByteSlice(self, start, stop, step, val):
        ...
    ...
    @annotate(start=int, stop=int, step=int, val=Sequence[float])
    def setDoubleSlice(self, start, stop, step, val):
        ...
    @annotate(start=int, stop=int, step=int, val=Sequence[Optional[str]])
    def setStringSlice(self, start, stop, step, val):
        ...
    @annotate(start=int, stop=int, step=int, val=Sequence[Optional[JObject]])
    def setObjectSlice(self, start, stop, step, val):
        ...

    @annotate(Tuple)
    def getBooleanBuffer(self):
        with self.jvm as (jvm, jenv):
            is_copy = jni.jboolean()
            return jenv.GetBooleanArrayElements(self._jobj, is_copy), jni.sizeof(jni.jboolean), b"B", is_copy
    ...
    @annotate(Tuple)
    def getDoubleBuffer(self):
        with self.jvm as (jvm, jenv):
            is_copy = jni.jboolean()
            return jenv.GetDoubleArrayElements(self._jobj, is_copy), jni.sizeof(jni.jdouble), b"d", is_copy

    @annotate(buf=object)
    def releaseBooleanBuffer(self, buf):
        with self.jvm as (jvm, jenv):
            jenv.ReleaseBooleanArrayElements(self._jobj, jni.cast(buf, jni.POINTER(jni.jboolean)))
    ...
    @annotate(buf=object)
    def releaseDoubleBuffer(self, buf):
        with self.jvm as (jvm, jenv):
            jenv.ReleaseDoubleArrayElements(self._jobj, jni.cast(buf, jni.POINTER(jni.jdouble)))